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+</head>
+<body class="book toc2 toc-left">
+<div id="header">
+<div id="toc" class="toc2">
+<div id="toctitle">Table of Contents</div>
+<ul class="sectlevel1">
+<li><a href="#common-application-properties">Appendix A: Common application properties</a></li>
+</ul>
+</div>
+</div>
+<div id="content">
+<div class="sect1">
+<h2 id="common-application-properties"><a class="link" href="#common-application-properties">Appendix A: Common application properties</a></h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>Various properties can be specified inside your <code>application.properties</code> file, inside your <code>application.yml</code> file, or as command line switches.
+This appendix provides a list of common Spring Cloud Sleuth properties and references to the underlying classes that consume them.</p>
+</div>
+<div class="admonitionblock note">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-note" title="Note"></i>
+</td>
+<td class="content">
+Property contributions can come from additional jar files on your classpath, so you should not consider this an exhaustive list.
+Also, you can define your own properties.
+</td>
+</tr>
+</table>
+</div>
+<table class="tableblock frame-all grid-all stretch">
+<colgroup>
+<col style="width: 33.3333%;">
+<col style="width: 33.3333%;">
+<col style="width: 33.3334%;">
+</colgroup>
+<thead>
+<tr>
+<th class="tableblock halign-left valign-top">Name</th>
+<th class="tableblock halign-left valign-top">Default</th>
+<th class="tableblock halign-left valign-top">Description</th>
+</tr>
+</thead>
+<tbody>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.annotation.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.async.configurer.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable default AsyncConfigurer.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.async.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable instrumenting async related components so that the tracing information is passed between threads.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.async.ignored-beans</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">List of {@link java.util.concurrent.Executor} bean names that should be ignored and not wrapped in a trace representation.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.baggage.correlation-enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Adds a {@link CorrelationScopeDecorator} to put baggage values into the correlation context.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.baggage.correlation-fields</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">A list of {@link BaggageField#name() fields} to add to correlation (MDC) context. @see CorrelationScopeConfig.SingleCorrelationField#create(BaggageField)</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.baggage.local-fields</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Same as {@link #remoteFields} except that this field is not propagated to remote services. @see BaggagePropagationConfig.SingleBaggageField#local(BaggageField)</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.baggage.remote-fields</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">List of fields that are referenced the same in-process as it is on the wire. For example, the field "x-vcap-request-id" would be set as-is including the prefix. @see BaggagePropagationConfig.SingleBaggageField#remote(BaggageField) @see BaggagePropagationConfig.SingleBaggageField.Builder#addKeyName(String)</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.baggage.tag-fields</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">A list of {@link BaggageField#name() fields} to tag into the span. @see Tags#BAGGAGE_FIELD</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.circuitbreaker.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable Spring Cloud CircuitBreaker instrumentation.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.feign.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable span information propagation when using Feign.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.feign.processor.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable post processor that wraps Feign Context in its tracing representations.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.grpc.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable span information propagation when using GRPC.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.http.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.http.legacy.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.integration.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable Spring Integration sleuth instrumentation.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.integration.patterns</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">[!hystrixStreamOutput*, <strong>, !channel</strong>]</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">An array of patterns against which channel names will be matched. @see org.springframework.integration.config.GlobalChannelInterceptor#patterns() Defaults to any channel name not matching the Hystrix Stream and functional Stream channel names.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.integration.websockets.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable tracing for WebSockets.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Should messaging be turned on.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.jms.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable tracing of JMS.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.jms.remote-service-name</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">jms</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.kafka.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable tracing of Kafka.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.kafka.mapper.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable DefaultKafkaHeaderMapper tracing for Kafka.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.kafka.remote-service-name</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">kafka</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.rabbit.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable tracing of RabbitMQ.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.messaging.rabbit.remote-service-name</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">rabbitmq</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.opentracing.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.reactor.decorate-on-each</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">When true decorates on each operator, will be less performing, but logging will always contain the tracing entries in each operator. When false decorates on last operator, will be more performing, but logging might not always contain the tracing entries.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.reactor.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">When true enables instrumentation for reactor.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.redis.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable span information propagation when using Redis.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.redis.remote-service-name</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">redis</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Service name for the remote Redis endpoint.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.rxjava.schedulers.hook.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable support for RxJava via RxJavaSchedulersHook.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.rxjava.schedulers.ignoredthreads</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">[HystrixMetricPoller, ^RxComputation.*$]</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Thread names for which spans will not be sampled.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.sampler.probability</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Probability of requests that should be sampled. E.g. 1.0 - 100% requests should be sampled. The precision is whole-numbers only (i.e. there&#8217;s no support for 0.1% of the traces).</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.sampler.rate</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">10</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">A rate per second can be a nice choice for low-traffic endpoints as it allows you surge protection. For example, you may never expect the endpoint to get more than 50 requests per second. If there was a sudden surge of traffic, to 5000 requests per second, you would still end up with 50 traces per second. Conversely, if you had a percentage, like 10%, the same surge would end up with 500 traces per second, possibly overloading your storage. Amazon X-Ray includes a rate-limited sampler (named Reservoir) for this purpose. Brave has taken the same approach via the {@link brave.sampler.RateLimitingSampler}.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.scheduled.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable tracing for {@link org.springframework.scheduling.annotation.Scheduled}.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.scheduled.skip-pattern</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Pattern for the fully qualified name of a class that should be skipped.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.supports-join</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">True means the tracing system supports sharing a span ID between a client and server.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.trace-id128</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">When true, generate 128-bit trace IDs instead of 64-bit ones.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.additional-skip-pattern</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Additional pattern for URLs that should be skipped in tracing. This will be appended to the {@link SleuthWebProperties#skipPattern}.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.client.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enable interceptor injecting into {@link org.springframework.web.client.RestTemplate}.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.client.skip-pattern</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Pattern for URLs that should be skipped in client side tracing.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">When true enables instrumentation for web applications.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.exception-logging-filter-enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Flag to toggle the presence of a filter that logs thrown exceptions.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.exception-throwing-filter-enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Flag to toggle the presence of a filter that logs thrown exceptions. @deprecated use {@link #exceptionLoggingFilterEnabled}</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.filter-order</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Order in which the tracing filters should be registered. Defaults to {@link TraceHttpAutoConfiguration#TRACING_FILTER_ORDER}.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.ignore-auto-configured-skip-patterns</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">If set to true, auto-configured skip patterns will be ignored. @see TraceWebAutoConfiguration</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.sleuth.web.skip-pattern</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">/api-docs.<strong>|/swagger.</strong>|.<strong>\.png|.</strong>\.css|.<strong>\.js|.</strong>\.html|/favicon.ico|/hystrix.stream</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Pattern for URLs that should be skipped in tracing.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.activemq.message-max-bytes</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">100000</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Maximum number of bytes for a given message with spans sent to Zipkin over ActiveMQ.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.activemq.queue</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">zipkin</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Name of the ActiveMQ queue where spans should be sent to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.base-url</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="http://localhost:9411/" class="bare">localhost:9411/</a></p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">URL of the zipkin query server instance. You can also provide the service id of the Zipkin server if Zipkin&#8217;s registered in service discovery (e.g. <a href="https://zipkinserver/" class="bare">zipkinserver/</a>).</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.compression.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.discovery-client-enabled</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">If set to {@code false}, will treat the {@link ZipkinProperties#baseUrl} as a URL always.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enables sending spans to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.encoder</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Encoding type of spans sent to Zipkin. Set to {@link SpanBytesEncoder#JSON_V1} if your server is not recent.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.kafka.topic</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">zipkin</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Name of the Kafka topic where spans should be sent to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.locator.discovery.enabled</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enabling of locating the host name via service discovery.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.message-timeout</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">1</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Timeout in seconds before pending spans will be sent in batches to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.rabbitmq.addresses</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Addresses of the RabbitMQ brokers used to send spans to Zipkin</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.rabbitmq.queue</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">zipkin</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Name of the RabbitMQ queue where spans should be sent to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.sender.type</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Means of sending spans to Zipkin.</p></td>
+</tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">spring.zipkin.service.name</p></td>
+<td class="tableblock halign-left valign-top"></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">The name of the service, from which the Span was sent via HTTP, that should appear in Zipkin.</p></td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
+<script src="js/highlight/highlight.min.js"></script>
+<script>hljs.initHighlighting()</script>
+</body>
+</html>
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+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/features.html
@@ -0,0 +1,489 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.8">
+<title>Features</title>
+<link rel="stylesheet" href="css/spring.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+
+<style>
+.hidden {
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+}
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+}
+
+$(addBlockSwitches);
+$(globalSwitch);
+
+</script>
+
+</head>
+<body class="book toc2 toc-left">
+<div id="header">
+<div id="toc" class="toc2">
+<div id="toctitle">Table of Contents</div>
+<ul class="sectlevel1">
+<li><a href="#features">1. Features</a>
+<ul class="sectlevel2">
+<li><a href="#contextualizing-errors">1.1. Contextualizing errors</a></li>
+<li><a href="#log-correlation">1.2. Log correlation</a>
+<ul class="sectlevel3">
+<li><a href="#json-logback-with-logstash">1.2.1. JSON Logback with Logstash</a></li>
+</ul>
+</li>
+<li><a href="#service-dependency-graph">1.3. Service Dependency Graph</a></li>
+<li><a href="#request-scoped-properties-baggage">1.4. Request scoped properties (Baggage)</a>
+<ul class="sectlevel3">
+<li><a href="#baggage-versus-tags">1.4.1. Baggage versus Tags</a></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<div id="content">
+<div class="sect1">
+<h2 id="features"><a class="anchor" href="#features"></a><a class="link" href="#features">1. Features</a></h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>Sleuth sets up instrumentation not only to track timing, but also to catch
+errors so that they can be analyzed or correlated with logs. This works the
+same way regardless of if the error came from a common instrumented library,
+such as <code>RestTemplate</code>, or your own code annotated with <code>@NewSpan</code> or similar.</p>
+</div>
+<div class="paragraph">
+<p>Below, we&#8217;ll use the word Zipkin to describe the tracing system, and include
+Zipkin screenshots. However, most services accepting <a href="https://zipkin.io/zipkin-api/#/default/post_spans">Zipkin format</a>
+have similar base features. Sleuth can also be configured to send data in other
+formats, something detailed later.</p>
+</div>
+<div class="sect2">
+<h3 id="contextualizing-errors"><a class="anchor" href="#contextualizing-errors"></a><a class="link" href="#contextualizing-errors">1.1. Contextualizing errors</a></h3>
+<div class="paragraph">
+<p>Without distributed tracing, it can be difficult to understand the impact of a
+an exception. For example, it can be hard to know if a specific request caused
+the caller to fail or not.</p>
+</div>
+<div class="paragraph">
+<p>Zipkin reduces time in triage by contextualizing errors and delays.</p>
+</div>
+<div class="paragraph">
+<p>Requests colored red in the search screen failed:</p>
+</div>
+<div class="imageblock">
+<div class="content">
+<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-sleuth/master/docs/src/main/asciidoc/images/zipkin-error-traces.png" alt="Error Traces">
+</div>
+</div>
+<div class="paragraph">
+<p>If you then click on one of the traces, you can understand if the failure
+happened before the request hit another service or not:</p>
+</div>
+<div class="imageblock">
+<div class="content">
+<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-sleuth/master/docs/src/main/asciidoc/images/zipkin-error-trace-screenshot.png" alt="Error Traces Info propagation">
+</div>
+</div>
+<div class="paragraph">
+<p>For example, the above error happened in the "backend" service, and caused the
+"frontend" service to fail.</p>
+</div>
+</div>
+<div class="sect2">
+<h3 id="log-correlation"><a class="anchor" href="#log-correlation"></a><a class="link" href="#log-correlation">1.2. Log correlation</a></h3>
+<div class="paragraph">
+<p>Sleuth configures the logging context with variables including the service name
+(<code>%{spring.zipkin.service.name}</code>) and the trace ID (<code>%{traceId}</code>). These help
+you connect logs with distributed traces and allow you choice in what tools you
+use to troubleshoot your services.</p>
+</div>
+<div class="paragraph">
+<p>Once you find any log with an error, you can look for the trace ID in the
+message. Paste that into Zipkin to visualize the entire trace, regardless of
+how many services the first request ended up hitting.</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code>backend.log:  2020-04-09 17:45:40.516 ERROR [backend,5e8eeec48b08e26882aba313eb08f0a4,dcc1df555b5777b3,true] 97203 --- [nio-9000-exec-1] o.s.c.s.i.web.ExceptionLoggingFilter     : Uncaught exception thrown
+frontend.log:2020-04-09 17:45:40.574 ERROR [frontend,5e8eeec48b08e26882aba313eb08f0a4,82aba313eb08f0a4,true] 97192 --- [nio-8081-exec-2] o.s.c.s.i.web.ExceptionLoggingFilter     : Uncaught exception thrown</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>Above, you&#8217;ll notice the trace ID is <code>5e8eeec48b08e26882aba313eb08f0a4</code>, for
+example. This log configuration was automatically setup by Sleuth.</p>
+</div>
+<div class="paragraph">
+<p>If you use a log aggregating tool (such as <a href="https://www.elastic.co/products/kibana">Kibana</a>, <a href="https://www.splunk.com/">Splunk</a>, and others), you can order the events that took place.
+An example from Kibana would resemble the following image:</p>
+</div>
+<div class="imageblock">
+<div class="content">
+<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-sleuth/master/docs/src/main/asciidoc/images/kibana.png" alt="Log correlation with Kibana">
+</div>
+</div>
+<div class="paragraph">
+<p>If you want to use <a href="https://www.elastic.co/guide/en/logstash/current/index.html">Logstash</a>, the following listing shows the Grok pattern for Logstash:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code>filter {
+  # pattern matching logback pattern
+  grok {
+    match =&gt; { "message" =&gt; "%{TIMESTAMP_ISO8601:timestamp}\s+%{LOGLEVEL:severity}\s+\[%{DATA:service},%{DATA:trace},%{DATA:span}\]\s+%{DATA:pid}\s+---\s+\[%{DATA:thread}\]\s+%{DATA:class}\s+:\s+%{GREEDYDATA:rest}" }
+  }
+  date {
+    match =&gt; ["timestamp", "ISO8601"]
+  }
+  mutate {
+    remove_field =&gt; ["timestamp"]
+  }
+}</code></pre>
+</div>
+</div>
+<div class="admonitionblock note">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-note" title="Note"></i>
+</td>
+<td class="content">
+If you want to use Grok together with the logs from Cloud Foundry, you have to use the following pattern:
+</td>
+</tr>
+</table>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code>filter {
+  # pattern matching logback pattern
+  grok {
+    match =&gt; { "message" =&gt; "(?m)OUT\s+%{TIMESTAMP_ISO8601:timestamp}\s+%{LOGLEVEL:severity}\s+\[%{DATA:service},%{DATA:trace},%{DATA:span}\]\s+%{DATA:pid}\s+---\s+\[%{DATA:thread}\]\s+%{DATA:class}\s+:\s+%{GREEDYDATA:rest}" }
+  }
+  date {
+    match =&gt; ["timestamp", "ISO8601"]
+  }
+  mutate {
+    remove_field =&gt; ["timestamp"]
+  }
+}</code></pre>
+</div>
+</div>
+<div class="sect3">
+<h4 id="json-logback-with-logstash"><a class="anchor" href="#json-logback-with-logstash"></a><a class="link" href="#json-logback-with-logstash">1.2.1. JSON Logback with Logstash</a></h4>
+<div class="paragraph">
+<p>Often, you do not want to store your logs in a text file but in a JSON file that Logstash can immediately pick.
+To do so, you have to do the following (for readability, we pass the dependencies in the <code>groupId:artifactId:version</code> notation).</p>
+</div>
+<div class="paragraph">
+<p><strong>Dependencies Setup</strong></p>
+</div>
+<div class="olist arabic">
+<ol class="arabic">
+<li>
+<p>Ensure that Logback is on the classpath (<code>ch.qos.logback:logback-core</code>).</p>
+</li>
+<li>
+<p>Add Logstash Logback encode. For example, to use version <code>4.6</code>, add <code>net.logstash.logback:logstash-logback-encoder:4.6</code>.</p>
+</li>
+</ol>
+</div>
+<div class="paragraph">
+<p><strong>Logback Setup</strong></p>
+</div>
+<div class="paragraph">
+<p>Consider the following example of a Logback configuration file (logback-spring.xml).</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-xml hljs" data-lang="xml">&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+&lt;configuration&gt;
+    &lt;include resource="org/springframework/boot/logging/logback/defaults.xml"/&gt;
+    &lt;springProperty scope="context" name="springAppName" source="spring.application.name"/&gt;
+    &lt;!-- Example for logging into the build folder of your project --&gt;
+    &lt;property name="LOG_FILE" value="${BUILD_FOLDER:-build}/${springAppName}"/&gt;
+
+    &lt;!-- You can override this to have a custom pattern --&gt;
+    &lt;property name="CONSOLE_LOG_PATTERN"
+              value="%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/&gt;
+
+    &lt;!-- Appender to log to console --&gt;
+    &lt;appender name="console" class="ch.qos.logback.core.ConsoleAppender"&gt;
+        &lt;filter class="ch.qos.logback.classic.filter.ThresholdFilter"&gt;
+            &lt;!-- Minimum logging level to be presented in the console logs--&gt;
+            &lt;level&gt;DEBUG&lt;/level&gt;
+        &lt;/filter&gt;
+        &lt;encoder&gt;
+            &lt;pattern&gt;${CONSOLE_LOG_PATTERN}&lt;/pattern&gt;
+            &lt;charset&gt;utf8&lt;/charset&gt;
+        &lt;/encoder&gt;
+    &lt;/appender&gt;
+
+    &lt;!-- Appender to log to file --&gt;
+    &lt;appender name="flatfile" class="ch.qos.logback.core.rolling.RollingFileAppender"&gt;
+        &lt;file&gt;${LOG_FILE}&lt;/file&gt;
+        &lt;rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"&gt;
+            &lt;fileNamePattern&gt;${LOG_FILE}.%d{yyyy-MM-dd}.gz&lt;/fileNamePattern&gt;
+            &lt;maxHistory&gt;7&lt;/maxHistory&gt;
+        &lt;/rollingPolicy&gt;
+        &lt;encoder&gt;
+            &lt;pattern&gt;${CONSOLE_LOG_PATTERN}&lt;/pattern&gt;
+            &lt;charset&gt;utf8&lt;/charset&gt;
+        &lt;/encoder&gt;
+    &lt;/appender&gt;
+    &lt;!-- Appender to log to file in a JSON format --&gt;
+    &lt;appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender"&gt;
+        &lt;file&gt;${LOG_FILE}.json&lt;/file&gt;
+        &lt;rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"&gt;
+            &lt;fileNamePattern&gt;${LOG_FILE}.json.%d{yyyy-MM-dd}.gz&lt;/fileNamePattern&gt;
+            &lt;maxHistory&gt;7&lt;/maxHistory&gt;
+        &lt;/rollingPolicy&gt;
+        &lt;encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder"&gt;
+            &lt;providers&gt;
+                &lt;timestamp&gt;
+                    &lt;timeZone&gt;UTC&lt;/timeZone&gt;
+                &lt;/timestamp&gt;
+                &lt;pattern&gt;
+                    &lt;pattern&gt;
+                        {
+                        "timestamp": "@timestamp",
+                        "severity": "%level",
+                        "service": "${springAppName:-}",
+                        "trace": "%X{traceId:-}",
+                        "span": "%X{spanId:-}",
+                        "pid": "${PID:-}",
+                        "thread": "%thread",
+                        "class": "%logger{40}",
+                        "rest": "%message"
+                        }
+                    &lt;/pattern&gt;
+                &lt;/pattern&gt;
+            &lt;/providers&gt;
+        &lt;/encoder&gt;
+    &lt;/appender&gt;
+    &lt;root level="INFO"&gt;
+        &lt;appender-ref ref="console"/&gt;
+        &lt;!-- uncomment this to have also JSON logs --&gt;
+        &lt;!--&lt;appender-ref ref="logstash"/&gt;--&gt;
+        &lt;!--&lt;appender-ref ref="flatfile"/&gt;--&gt;
+    &lt;/root&gt;
+&lt;/configuration&gt;</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>That Logback configuration file:</p>
+</div>
+<div class="ulist">
+<ul>
+<li>
+<p>Logs information from the application in a JSON format to a <code>build/${spring.application.name}.json</code> file.</p>
+</li>
+<li>
+<p>Has commented out two additional appenders: console and standard log file.</p>
+</li>
+<li>
+<p>Has the same logging pattern as the one presented in the previous section.</p>
+</li>
+</ul>
+</div>
+<div class="admonitionblock note">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-note" title="Note"></i>
+</td>
+<td class="content">
+If you use a custom <code>logback-spring.xml</code>, you must pass the <code>spring.application.name</code> in the  <code>bootstrap</code> rather than the <code>application</code> property file.
+Otherwise, your custom logback file does not properly read the property.
+</td>
+</tr>
+</table>
+</div>
+</div>
+</div>
+<div class="sect2">
+<h3 id="service-dependency-graph"><a class="anchor" href="#service-dependency-graph"></a><a class="link" href="#service-dependency-graph">1.3. Service Dependency Graph</a></h3>
+<div class="paragraph">
+<p>When you consider distributed tracing tracks requests, it makes sense that
+trace data can paint a picture of your architecture.</p>
+</div>
+<div class="paragraph">
+<p>Zipkin includes a tool to build service dependency diagrams from traces,
+including the count of calls and how many errors exist.</p>
+</div>
+<div class="paragraph">
+<p>The example application will make a simple diagram like this, but your real
+environment diagram may be more complex.
+image::https://raw.githubusercontent.com/spring-cloud/spring-cloud-sleuth/master/docs/src/main/asciidoc/images/zipkin-depedendencies.png[Zipkin Dependencies]</p>
+</div>
+<div class="paragraph">
+<p><strong>Note</strong>: Production environments will generate a lot of data. You will likely
+need to run a separate service to aggregate the dependency graph. You can learn
+more <a href="https://github.com/openzipkin/zipkin-dependencies/">here</a>.</p>
+</div>
+</div>
+<div class="sect2">
+<h3 id="request-scoped-properties-baggage"><a class="anchor" href="#request-scoped-properties-baggage"></a><a class="link" href="#request-scoped-properties-baggage">1.4. Request scoped properties (Baggage)</a></h3>
+<div class="paragraph">
+<p>Distributed tracing works by propagating fields inside and across services that
+connect the trace together: traceId and spanId notably. The context that holds
+these fields can optionally push other fields that need to be consistent
+regardless of many services are touched. The simple name for these extra fields
+is "Baggage".</p>
+</div>
+<div class="paragraph">
+<p>Sleuth allows you to define which baggage are permitted to exist in the trace
+context, including what header names are used.</p>
+</div>
+<div class="paragraph">
+<p>The following example shows setting baggage values:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">Span initialSpan = this.tracer.nextSpan().name("span").start();
+BUSINESS_PROCESS.updateValue(initialSpan.context(), "ALM");
+COUNTRY_CODE.updateValue(initialSpan.context(), "FO");</code></pre>
+</div>
+</div>
+<div class="admonitionblock important">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-important" title="Important"></i>
+</td>
+<td class="content">
+There is currently no limitation of the count or size of baggage
+items. Keep in mind that too many can decrease system throughput or increase
+RPC latency. In extreme cases, too much baggage can crash the application, due
+to exceeding transport-level message or header capacity.
+</td>
+</tr>
+</table>
+</div>
+<div class="sect3">
+<h4 id="baggage-versus-tags"><a class="anchor" href="#baggage-versus-tags"></a><a class="link" href="#baggage-versus-tags">1.4.1. Baggage versus Tags</a></h4>
+<div class="paragraph">
+<p>Like trace IDs, Baggage is attached to messages or requests, usually as
+headers. Tags are key value pairs sent in a Span to Zipkin. Baggage values are
+not added spans by default, which means you can&#8217;t search based on Baggage
+unless  you opt-in.</p>
+</div>
+<div class="paragraph">
+<p>To make baggage also tags, use the property <code>spring.sleuth.baggage.tag-fields</code>
+like so:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-yml hljs" data-lang="yml">spring:
+  sleuth:
+    baggage:
+      remoteFields:
+        - country-code
+        - x-vcap-request-id
+      tagFields:
+        - country-code</code></pre>
+</div>
+</div>
+</div>
+</div>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
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+</body>
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--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/images/.gitkeep
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/images/.gitkeep
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--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/images/kibana.png
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--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/images/zipkin-error-trace.png
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--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/images/zipkin-error-traces.png
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--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/images/zipkin-trace-screenshot.png
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+Original One Dark Syntax theme from https://github.com/atom/one-dark-syntax
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+Dracula Theme v1.2.0
+
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+Copyright 2015, All rights reserved
+
+Code licensed under the MIT license
+https://zenorocha.mit-license.org/
+
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+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/monokai-sublime.min.css
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+  color: #75715e;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/monokai.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/monokai.min.css
@@ -0,0 +1,70 @@
+/*
+Monokai style - ported by Luigi Maselli - https://grigio.org
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #272822; color: #ddd;
+}
+
+.hljs-tag,
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-strong,
+.hljs-name {
+  color: #f92672;
+}
+
+.hljs-code {
+  color: #66d9ef;
+}
+
+.hljs-class .hljs-title {
+  color: white;
+}
+
+.hljs-attribute,
+.hljs-symbol,
+.hljs-regexp,
+.hljs-link {
+  color: #bf79db;
+}
+
+.hljs-string,
+.hljs-bullet,
+.hljs-subst,
+.hljs-title,
+.hljs-section,
+.hljs-emphasis,
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-addition,
+.hljs-variable,
+.hljs-template-tag,
+.hljs-template-variable {
+  color: #a6e22e;
+}
+
+.hljs-comment,
+.hljs-quote,
+.hljs-deletion,
+.hljs-meta {
+  color: #75715e;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-doctag,
+.hljs-title,
+.hljs-section,
+.hljs-type,
+.hljs-selector-id {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/solarized-light.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/solarized-light.min.css
@@ -0,0 +1,84 @@
+/*
+
+Orginal Style from ethanschoonover.com/solarized (c) Jeremy Hull <sourdrums@gmail.com>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #fdf6e3;
+  color: #657b83;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #93a1a1;
+}
+
+/* Solarized Green */
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-addition {
+  color: #859900;
+}
+
+/* Solarized Cyan */
+.hljs-number,
+.hljs-string,
+.hljs-meta .hljs-meta-string,
+.hljs-literal,
+.hljs-doctag,
+.hljs-regexp {
+  color: #2aa198;
+}
+
+/* Solarized Blue */
+.hljs-title,
+.hljs-section,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class {
+  color: #268bd2;
+}
+
+/* Solarized Yellow */
+.hljs-attribute,
+.hljs-attr,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-class .hljs-title,
+.hljs-type {
+  color: #b58900;
+}
+
+/* Solarized Orange */
+.hljs-symbol,
+.hljs-bullet,
+.hljs-subst,
+.hljs-meta,
+.hljs-meta .hljs-keyword,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-link {
+  color: #cb4b16;
+}
+
+/* Solarized Red */
+.hljs-built_in,
+.hljs-deletion {
+  color: #dc322f;
+}
+
+.hljs-formula {
+  background: #eee8d5;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/zenburn.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/highlight/styles/zenburn.min.css
@@ -0,0 +1,80 @@
+/*
+
+Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
+based on dark.css by Ivan Sagalaev
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #3f3f3f;
+  color: #dcdcdc;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-tag {
+  color: #e3ceab;
+}
+
+.hljs-template-tag {
+  color: #dcdcdc;
+}
+
+.hljs-number {
+  color: #8cd0d3;
+}
+
+.hljs-variable,
+.hljs-template-variable,
+.hljs-attribute {
+  color: #efdcbc;
+}
+
+.hljs-literal {
+  color: #efefaf;
+}
+
+.hljs-subst {
+  color: #8f8f8f;
+}
+
+.hljs-title,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class,
+.hljs-section,
+.hljs-type {
+  color: #efef8f;
+}
+
+.hljs-symbol,
+.hljs-bullet,
+.hljs-link {
+  color: #dca3a3;
+}
+
+.hljs-deletion,
+.hljs-string,
+.hljs-built_in,
+.hljs-builtin-name {
+  color: #cc9393;
+}
+
+.hljs-addition,
+.hljs-comment,
+.hljs-quote,
+.hljs-meta {
+  color: #7f9f7f;
+}
+
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/toc.js
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/toc.js
@@ -0,0 +1,80 @@
+var toctitle = document.getElementById('toctitle');
+var path = window.location.pathname;
+if (toctitle != null) {
+    var oldtoc = toctitle.nextElementSibling;
+    var newtoc = document.createElement('div');
+    newtoc.setAttribute('id', 'tocbot');
+    newtoc.setAttribute('class', 'js-toc desktop-toc');
+    oldtoc.setAttribute('class', 'mobile-toc');
+    oldtoc.parentNode.appendChild(newtoc);
+    tocbot.init({
+        contentSelector: '#content',
+        headingSelector: 'h1, h2, h3, h4, h5',
+        positionFixedSelector: 'body',
+        fixedSidebarOffset: 90,
+        smoothScroll: false
+    });
+    if (!path.endsWith("index.html") && !path.endsWith("/")) {
+        var link = document.createElement("a");
+        if (document.getElementById('index-link')) {
+          indexLinkElement = document.querySelector('#index-link > p > a');
+          linkHref = indexLinkElement.getAttribute("href");
+          link.setAttribute("href", linkHref);
+        } else {
+          link.setAttribute("href", "index.html");
+        }
+        link.innerHTML = "<span><i class=\"fa fa-chevron-left\" aria-hidden=\"true\"></i></span> Back to index";
+        var block = document.createElement("div");
+        block.setAttribute('class', 'back-action');
+        block.appendChild(link);
+        var toc = document.getElementById('toc');
+        var next = document.getElementById('toctitle').nextElementSibling;
+        toc.insertBefore(block, next);
+    }
+}
+
+var headerHtml = '<div id="header-spring">\n' +
+    '<h1>\n' +
+    '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0"\n' +
+    'viewBox="0 0 245.8 45.3" style="enable-background:new 0 0 245.8 45.3;" xml:space="preserve">\n' +
+    '<g id="logos">\n' +
+    '<g>\n' +
+    '<path class="st0" d="M39.4,3.7c-0.6,1.5-1.4,2.8-2.3,4c-3.9-4-9.3-6.4-15.2-6.4c-11.7,0-21.3,9.5-21.3,21.3\n' +
+    'c0,6.2,2.6,11.7,6.8,15.6l0.8,0.7c3.7,3.1,8.5,5,13.7,5c11.2,0,20.4-8.7,21.2-19.8C43.7,18.7,42.1,11.8,39.4,3.7z M10.5,38.3\n' +
+    'c-0.6,0.8-1.8,0.9-2.6,0.3C7.1,37.9,7,36.8,7.6,36c0.6-0.8,1.8-0.9,2.6-0.3C11,36.4,11.1,37.5,10.5,38.3z M39.3,31.9\n' +
+    'c-5.2,7-16.5,4.6-23.6,5c0,0-1.3,0.1-2.6,0.3c0,0,0.5-0.2,1.1-0.4c5-1.7,7.4-2.1,10.5-3.7c5.8-3,11.5-9.4,12.7-16.1\n' +
+    'c-2.2,6.4-8.9,12-14.9,14.2c-4.2,1.5-11.7,3-11.7,3c0,0-0.3-0.2-0.3-0.2c-5.1-2.5-5.3-13.6,4-17.1c4.1-1.6,8-0.7,12.4-1.8\n' +
+    'C31.6,14.1,37,10.6,39.2,6C41.7,13.3,44.7,24.8,39.3,31.9z"/>\n' +
+    '<g>\n' +
+    '<path class="st0" d="M55.2,30.9c-0.5-0.3-0.9-0.9-0.9-1.6c0-1.1,0.8-1.9,1.9-1.9c0.4,0,0.7,0.1,1,0.3c2,1.3,4.1,2,5.9,2\n' +
+    'c2,0,3.2-0.9,3.2-2.2v-0.1c0-1.6-2.2-2.2-4.6-2.9c-3-0.9-6.5-2.1-6.5-6.1v-0.1c0-3.9,3.2-6.3,7.4-6.3c2.2,0,4.5,0.6,6.5,1.7\n' +
+    'c0.7,0.4,1.1,1,1.1,1.8c0,1.1-0.9,1.9-2,1.9c-0.4,0-0.6-0.1-0.9-0.2c-1.7-0.9-3.4-1.4-4.9-1.4c-1.8,0-2.9,0.9-2.9,2v0.1\n' +
+    'c0,1.5,2.2,2.2,4.7,2.9c3,0.9,6.4,2.3,6.4,6v0.1c0,4.3-3.4,6.5-7.7,6.5C60.4,33.3,57.6,32.5,55.2,30.9z"/>\n' +
+    '<path class="st0" d="M72.5,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4v1.4c1.5-2.2,3.7-3.9,7-3.9c4.8,0,9.6,3.8,9.6,10.7\n' +
+    'v0.1c0,6.8-4.7,10.7-9.6,10.7c-3.4,0-5.6-1.7-7-3.6V37c0,1.3-1.1,2.4-2.4,2.4c-1.3,0-2.3-1-2.3-2.4V14.3z M89.1,22.7L89.1,22.7\n' +
+    'c0-4.1-2.7-6.7-5.9-6.7c-3.2,0-6,2.7-6,6.6v0.1c0,4,2.8,6.6,6,6.6C86.4,29.3,89.1,26.7,89.1,22.7z"/>\n' +
+    '<path class="st0" d="M95.7,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4v1.1c0.2-1.8,3.1-3.5,5.2-3.5c1.5,0,2.3,1,2.3,2.3\n' +
+    'c0,1.3-0.8,2.1-1.9,2.3c-3.4,0.6-5.7,3.5-5.7,7.6V31c0,1.3-1.1,2.3-2.4,2.3c-1.3,0-2.3-1-2.3-2.3V14.3z"/>\n' +
+    '<path class="st0" d="M109.7,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4V31c0,1.3-1.1,2.3-2.4,2.3c-1.3,0-2.3-1-2.3-2.3V14.3\n' +
+    'z"/>\n' +
+    '<path class="st0" d="M116.9,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4v1c1.3-1.9,3.2-3.4,6.5-3.4c4.7,0,7.4,3.1,7.4,7.9V31\n' +
+    'c0,1.3-1,2.3-2.3,2.3c-1.3,0-2.4-1-2.4-2.3v-9.7c0-3.2-1.6-5-4.4-5c-2.7,0-4.7,1.9-4.7,5.1V31c0,1.3-1.1,2.3-2.4,2.3\n' +
+    'c-1.3,0-2.3-1-2.3-2.3V14.3z"/>\n' +
+    '<path class="st0" d="M156.2,11.9c-1.3,0-2.4,1.1-2.4,2.4v1.4c-1.5-2.2-3.7-3.9-7-3.9c-4.9,0-9.6,3.8-9.6,10.7v0.1\n' +
+    'c0,6.8,4.7,10.7,9.6,10.7c3.4,0,5.6-1.7,7-3.6c-0.2,3.7-2.5,5.7-6.5,5.7c-2.4,0-4.5-0.6-6.3-1.6c-0.2-0.1-0.5-0.2-0.9-0.2\n' +
+    'c-1.1,0-2,0.9-2,2c0,0.9,0.5,1.6,1.3,1.9c2.5,1.2,5.1,1.8,8,1.8c3.7,0,6.6-0.9,8.5-2.8c1.7-1.7,2.7-4.3,2.7-7.8V14.3\n' +
+    'C158.5,13,157.5,11.9,156.2,11.9z M147.9,29.2c-3.2,0-5.9-2.5-5.9-6.6v-0.1c0-4,2.7-6.6,5.9-6.6c3.2,0,6,2.7,6,6.6v0.1\n' +
+    'C153.9,26.6,151.1,29.2,147.9,29.2z"/>\n' +
+    '<path class="st0" d="M114.5,6.3c0,1.3-1.1,2.4-2.4,2.4c-1.3,0-2.4-1.1-2.4-2.4c0-1.3,1.1-2.4,2.4-2.4\n' +
+    'C113.4,3.9,114.5,4.9,114.5,6.3z"/>\n' +
+    '</g>\n' +
+    '</g>\n' +
+    '</g>\n' +
+    '</svg>\n' +
+    '\n' +
+    '</h1>\n' +
+    '</div>';
+
+var header = document.createElement("div");
+header.innerHTML = headerHtml;
+document.body.insertBefore(header, document.body.firstChild);
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/tocbot/tocbot.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/tocbot/tocbot.css
@@ -0,0 +1 @@
+.toc{overflow-y:auto}.toc>.toc-list{overflow:hidden;position:relative}.toc>.toc-list li{list-style:none}.toc-list{margin:0;padding-left:10px}a.toc-link{color:currentColor;height:100%}.is-collapsible{max-height:1000px;overflow:hidden;transition:all 300ms ease-in-out}.is-collapsed{max-height:0}.is-position-fixed{position:fixed !important;top:0}.is-active-link{font-weight:700}.toc-link::before{background-color:#EEE;content:' ';display:inline-block;height:inherit;left:0;margin-top:-1px;position:absolute;width:2px}.is-active-link::before{background-color:#54BC4B}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/js/tocbot/tocbot.min.js
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/js/tocbot/tocbot.min.js
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/logback-spring.xml
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/logback-spring.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+	<include resource="org/springframework/boot/logging/logback/defaults.xml"/>
+	<springProperty scope="context" name="springAppName" source="spring.application.name"/>
+	<!-- Example for logging into the build folder of your project -->
+	<property name="LOG_FILE" value="${BUILD_FOLDER:-build}/${springAppName}"/>
+
+	<!-- You can override this to have a custom pattern -->
+	<property name="CONSOLE_LOG_PATTERN"
+			  value="%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/>
+
+	<!-- Appender to log to console -->
+	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+		<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+			<!-- Minimum logging level to be presented in the console logs-->
+			<level>DEBUG</level>
+		</filter>
+		<encoder>
+			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
+			<charset>utf8</charset>
+		</encoder>
+	</appender>
+
+	<!-- Appender to log to file -->
+	<appender name="flatfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>${LOG_FILE}</file>
+		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.gz</fileNamePattern>
+			<maxHistory>7</maxHistory>
+		</rollingPolicy>
+		<encoder>
+			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
+			<charset>utf8</charset>
+		</encoder>
+	</appender>
+	<!-- Appender to log to file in a JSON format -->
+	<appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>${LOG_FILE}.json</file>
+		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${LOG_FILE}.json.%d{yyyy-MM-dd}.gz</fileNamePattern>
+			<maxHistory>7</maxHistory>
+		</rollingPolicy>
+		<encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
+			<providers>
+				<timestamp>
+					<timeZone>UTC</timeZone>
+				</timestamp>
+				<pattern>
+					<pattern>
+						{
+						"timestamp": "@timestamp",
+						"severity": "%level",
+						"service": "${springAppName:-}",
+						"trace": "%X{traceId:-}",
+						"span": "%X{spanId:-}",
+						"pid": "${PID:-}",
+						"thread": "%thread",
+						"class": "%logger{40}",
+						"rest": "%message"
+						}
+					</pattern>
+				</pattern>
+			</providers>
+		</encoder>
+	</appender>
+	<root level="INFO">
+		<appender-ref ref="console"/>
+		<!-- uncomment this to have also JSON logs -->
+		<!--<appender-ref ref="logstash"/>-->
+		<!--<appender-ref ref="flatfile"/>-->
+	</root>
+</configuration>
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/overview.html
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/overview.html
@@ -0,0 +1,170 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.8">
+<title>Overview</title>
+<link rel="stylesheet" href="css/spring.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item:not(:first-child) {
+	border-width: 0 0 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+function globalSwitch() {
+	$('.switch--item').each(function() {
+		$(this).off('click');
+		$(this).on('click', function() {
+			selectedText = $(this).text()
+			selectedIndex = $(this).index()
+			$(".switch--item").filter(function() { return ($(this).text() === selectedText) }).each(function() {
+				$(this).addClass('selected');
+				$(this).siblings().removeClass('selected');
+				selectedContent = $(this).parent().siblings(".content").eq(selectedIndex)
+				selectedContent.removeClass('hidden');
+				selectedContent.siblings().addClass('hidden');
+			});
+		});
+	});
+}
+
+$(addBlockSwitches);
+$(globalSwitch);
+
+</script>
+
+</head>
+<body class="book toc2 toc-left">
+<div id="header">
+<div id="toc" class="toc2">
+<div id="toctitle">Table of Contents</div>
+<ul class="sectlevel1">
+<li><a href="#_overview">Overview</a></li>
+</ul>
+</div>
+</div>
+<div id="content">
+<div class="sect1">
+<h2 id="_overview"><a class="link" href="#_overview">Overview</a></h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>Spring Cloud Sleuth provides Spring Boot auto-configuration for distributed
+tracing. Underneath, Spring Cloud Sleuth is a layer over a Tracer library named
+<a href="https://github.com/openzipkin/brave">Brave</a>.</p>
+</div>
+<div class="paragraph">
+<p>Sleuth configures everything you need to get started. This includes where trace
+data (spans) are reported to, how many traces to keep (sampling), if remote
+fields (baggage) are sent, and which libraries are traced.</p>
+</div>
+<div class="paragraph">
+<p>We maintain an <a href="https://github.com/openzipkin/sleuth-webmvc-example">example app</a> where two Spring Boot services collaborate on an
+HTTP request. Sleuth configures these apps, so that timing of these requests are
+recorded into <a href="https://zipkin.io">Zipkin</a>, a distributed tracing system. Tracing
+UIs visualize latency, such as time in one service vs waiting for other
+services.</p>
+</div>
+<div class="paragraph">
+<p>Here&#8217;s an example of what it looks like:</p>
+</div>
+<div class="imageblock">
+<div class="content">
+<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-sleuth/master/docs/src/main/asciidoc/images/zipkin-trace-screenshot.png" alt="Zipkin Trace">
+</div>
+</div>
+<div class="paragraph">
+<p>The <a href="https://github.com/openzipkin/sleuth-webmvc-example">source repository</a> of this
+example includes demonstrations of many things, including WebFlux and messaging.
+Most features require only a property or dependency change to work. These
+snippets showcase the value of Spring Cloud Sleuth: Through auto-configuration,
+Sleuth make getting started with distributed tracing easy!</p>
+</div>
+<div class="paragraph">
+<p>To keep things simple, the same example is used throughout documentation using
+basic HTTP communication.</p>
+</div>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
+<script src="js/highlight/highlight.min.js"></script>
+<script>hljs.initHighlighting()</script>
+</body>
+</html>
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/sagan-boot.html
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/sagan-boot.html
@@ -0,0 +1,219 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.8">
+<title>Untitled</title>
+<link rel="stylesheet" href="css/spring.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item:not(:first-child) {
+	border-width: 0 0 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+function globalSwitch() {
+	$('.switch--item').each(function() {
+		$(this).off('click');
+		$(this).on('click', function() {
+			selectedText = $(this).text()
+			selectedIndex = $(this).index()
+			$(".switch--item").filter(function() { return ($(this).text() === selectedText) }).each(function() {
+				$(this).addClass('selected');
+				$(this).siblings().removeClass('selected');
+				selectedContent = $(this).parent().siblings(".content").eq(selectedIndex)
+				selectedContent.removeClass('hidden');
+				selectedContent.siblings().addClass('hidden');
+			});
+		});
+	});
+}
+
+$(addBlockSwitches);
+$(globalSwitch);
+
+</script>
+
+</head>
+<body class="book">
+<div id="header">
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph">
+<p>Add Sleuth to your classpath:</p>
+</div>
+<div class="paragraph">
+<p>Maven</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-xml hljs" data-lang="xml">&lt;dependencyManagement&gt;
+    &lt;dependencies&gt;
+        &lt;dependency&gt;
+            &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+            &lt;artifactId&gt;spring-cloud-sleuth&lt;/artifactId&gt;
+            &lt;version&gt;${spring-cloud-sleuth.version}&lt;/version&gt;
+            &lt;type&gt;pom&lt;/type&gt;
+            &lt;scope&gt;import&lt;/scope&gt;
+        &lt;/dependency&gt;
+    &lt;/dependencies&gt;
+&lt;/dependencyManagement&gt;
+&lt;dependencies&gt;
+    &lt;dependency&gt;
+        &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+        &lt;artifactId&gt;spring-cloud-starter-sleuth&lt;/artifactId&gt;
+    &lt;/dependency&gt;
+&lt;/dependencies&gt;</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>Gradle</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-groovy hljs" data-lang="groovy">buildscript {
+    dependencies {
+        classpath "io.spring.gradle:dependency-management-plugin:0.5.2.RELEASE"
+    }
+}
+
+apply plugin: "io.spring.dependency-management"
+
+dependencyManagement {
+     imports {
+          mavenBom "org.springframework.cloud:spring-cloud-sleuth:${springCloudSleuthVersion}"
+     }
+}
+dependencies {
+    compile 'org.springframework.cloud:spring-cloud-starter-sleuth'
+}</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>As long as Spring Cloud Sleuth is on the classpath any Spring Boot application will generate trace data:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@SpringBootApplication
+@RestController
+public class Application {
+
+  private static Logger log = LoggerFactory.getLogger(DemoController.class);
+
+  @RequestMapping("/")
+  public String home() {
+    log.info("Handling home");
+    return "Hello World";
+  }
+
+  public static void main(String[] args) {
+    SpringApplication.run(Application.class, args);
+  }
+
+}</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>Run this app and then hit the home page. You will see traceId and spanId populated in the logs.
+If this app calls out to another one (e.g. with <code>RestTemplate</code>) it will send the trace data in
+headers and if the receiver is another Sleuth app you will see the trace continue there.</p>
+</div>
+<div class="ulist">
+<ul>
+<li>
+<p>Instead of logging the request in the handler explicitly, you could set <code>logging.level.org.springframework.web.servlet.DispatcherServlet=DEBUG</code></p>
+</li>
+<li>
+<p>Sleuth defaults to a rate limited sampler. That means that it will sample up to 1000 transactions per second.</p>
+</li>
+<li>
+<p>Set <code>spring.application.name=bar</code> (for instance) to see the service name as well as the trace and span ids.</p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
+<script src="js/highlight/highlight.min.js"></script>
+<script>hljs.initHighlighting()</script>
+</body>
+</html>
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/sagan-index.html
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/sagan-index.html
@@ -0,0 +1,163 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.8">
+<title>Features</title>
+<link rel="stylesheet" href="css/spring.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item:not(:first-child) {
+	border-width: 0 0 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+function globalSwitch() {
+	$('.switch--item').each(function() {
+		$(this).off('click');
+		$(this).on('click', function() {
+			selectedText = $(this).text()
+			selectedIndex = $(this).index()
+			$(".switch--item").filter(function() { return ($(this).text() === selectedText) }).each(function() {
+				$(this).addClass('selected');
+				$(this).siblings().removeClass('selected');
+				selectedContent = $(this).parent().siblings(".content").eq(selectedIndex)
+				selectedContent.removeClass('hidden');
+				selectedContent.siblings().addClass('hidden');
+			});
+		});
+	});
+}
+
+$(addBlockSwitches);
+$(globalSwitch);
+
+</script>
+
+</head>
+<body class="book toc2 toc-left">
+<div id="header">
+<div id="toc" class="toc2">
+<div id="toctitle">Table of Contents</div>
+<ul class="sectlevel1">
+<li><a href="#_features">Features</a></li>
+</ul>
+</div>
+</div>
+<div id="content">
+<div id="preamble">
+<div class="sectionbody">
+<div class="paragraph">
+<p>Spring Cloud Sleuth provides Spring Boot auto-configuration for distributed
+tracing.</p>
+</div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_features"><a class="link" href="#_features">Features</a></h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>Sleuth configures everything you need to get started. This includes where trace
+data (spans) are reported to, how many traces to keep (sampling), if remote
+fields (baggage) are sent, and which libraries are traced.</p>
+</div>
+<div class="paragraph">
+<p>Specifically, Spring Cloud Sleuth&#8230;&#8203;</p>
+</div>
+<div class="ulist">
+<ul>
+<li>
+<p>Adds trace and span ids to the Slf4J MDC, so you can extract all the logs from a given trace or span in a log aggregator.</p>
+</li>
+<li>
+<p>Instruments common ingress and egress points from Spring applications (servlet filter, rest template, scheduled actions, message channels, feign client).</p>
+</li>
+<li>
+<p>If <code>spring-cloud-sleuth-zipkin</code> is available then the app will generate and report <a href="https://zipkin.io">Zipkin</a>-compatible traces via HTTP. By default it sends them to a Zipkin collector service on localhost (port 9411). Configure the location of the service using <code>spring.zipkin.baseUrl</code>.</p>
+</li>
+</ul>
+</div>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
+<script src="js/highlight/highlight.min.js"></script>
+<script>hljs.initHighlighting()</script>
+</body>
+</html>
--- a/spring-cloud-sleuth/3.0.0.M1/reference/html/setup.html
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/html/setup.html
@@ -0,0 +1,462 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="generator" content="Asciidoctor 1.5.8">
+<title>Adding Sleuth to your Project</title>
+<link rel="stylesheet" href="css/spring.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+
+<style>
+.hidden {
+	display: none;
+}
+
+.switch {
+	border-width: 1px 1px 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+	display: inline-block;
+}
+
+.switch--item {
+	padding: 10px;
+	background-color: #ffffff;
+	color: #7a2518;
+	display: inline-block;
+	cursor: pointer;
+}
+
+.switch--item:not(:first-child) {
+	border-width: 0 0 0 1px;
+	border-style: solid;
+	border-color: #7a2518;
+}
+
+.switch--item.selected {
+	background-color: #7a2519;
+	color: #ffffff;
+}
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
+<script type="text/javascript">
+function addBlockSwitches() {
+	$('.primary').each(function() {
+		primary = $(this);
+		createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
+		primary.children('.title').remove();
+	});
+	$('.secondary').each(function(idx, node) {
+		secondary = $(node);
+		primary = findPrimary(secondary);
+		switchItem = createSwitchItem(secondary, primary.children('.switch'));
+		switchItem.content.addClass('hidden');
+		findPrimary(secondary).append(switchItem.content);
+		secondary.remove();
+	});
+}
+
+function createBlockSwitch(primary) {
+	blockSwitch = $('<div class="switch"></div>');
+	primary.prepend(blockSwitch);
+	return blockSwitch;
+}
+
+function findPrimary(secondary) {
+	candidate = secondary.prev();
+	while (!candidate.is('.primary')) {
+		candidate = candidate.prev();
+	}
+	return candidate;
+}
+
+function createSwitchItem(block, blockSwitch) {
+	blockName = block.children('.title').text();
+	content = block.children('.content').first().append(block.next('.colist'));
+	item = $('<div class="switch--item">' + blockName + '</div>');
+	item.on('click', '', content, function(e) {
+		$(this).addClass('selected');
+		$(this).siblings().removeClass('selected');
+		e.data.siblings('.content').addClass('hidden');
+		e.data.removeClass('hidden');
+	});
+	blockSwitch.append(item);
+	return {'item': item, 'content': content};
+}
+
+function globalSwitch() {
+	$('.switch--item').each(function() {
+		$(this).off('click');
+		$(this).on('click', function() {
+			selectedText = $(this).text()
+			selectedIndex = $(this).index()
+			$(".switch--item").filter(function() { return ($(this).text() === selectedText) }).each(function() {
+				$(this).addClass('selected');
+				$(this).siblings().removeClass('selected');
+				selectedContent = $(this).parent().siblings(".content").eq(selectedIndex)
+				selectedContent.removeClass('hidden');
+				selectedContent.siblings().addClass('hidden');
+			});
+		});
+	});
+}
+
+$(addBlockSwitches);
+$(globalSwitch);
+
+</script>
+
+</head>
+<body class="book toc2 toc-left">
+<div id="header">
+<div id="toc" class="toc2">
+<div id="toctitle">Table of Contents</div>
+<ul class="sectlevel1">
+<li><a href="#sleuth-adding-project">Adding Sleuth to your Project</a>
+<ul class="sectlevel2">
+<li><a href="#_sleuth_with_zipkin_via_http">Sleuth with Zipkin via HTTP</a></li>
+<li><a href="#_sleuth_with_zipkin_over_rabbitmq_or_kafka">Sleuth with Zipkin over RabbitMQ or Kafka</a></li>
+<li><a href="#_overriding_the_auto_configuration_of_zipkin">Overriding the auto-configuration of Zipkin</a></li>
+<li><a href="#_only_sleuth_log_correlation">Only Sleuth (log correlation)</a></li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<div id="content">
+<div class="sect1">
+<h2 id="sleuth-adding-project"><a class="link" href="#sleuth-adding-project">Adding Sleuth to your Project</a></h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p>This section addresses how to add Sleuth to your project with either Maven or Gradle.</p>
+</div>
+<div class="admonitionblock important">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-important" title="Important"></i>
+</td>
+<td class="content">
+To ensure that your application name is properly displayed in Zipkin, set the <code>spring.application.name</code> property in <code>bootstrap.yml</code>.
+</td>
+</tr>
+</table>
+</div>
+<div class="sect2">
+<h3 id="_sleuth_with_zipkin_via_http"><a class="link" href="#_sleuth_with_zipkin_via_http">Sleuth with Zipkin via HTTP</a></h3>
+<div class="paragraph">
+<p>If you want both Sleuth and Zipkin, add the <code>spring-cloud-starter-zipkin</code> dependency.</p>
+</div>
+<div class="paragraph">
+<p>The following example shows how to do so for Maven:</p>
+</div>
+<div class="listingblock primary">
+<div class="title">Maven</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-xml hljs" data-lang="xml">&lt;dependencyManagement&gt; <i class="conum" data-value="1"></i><b>(1)</b>
+      &lt;dependencies&gt;
+          &lt;dependency&gt;
+              &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+              &lt;artifactId&gt;spring-cloud-dependencies&lt;/artifactId&gt;
+              &lt;version&gt;${release.train.version}&lt;/version&gt;
+              &lt;type&gt;pom&lt;/type&gt;
+              &lt;scope&gt;import&lt;/scope&gt;
+          &lt;/dependency&gt;
+      &lt;/dependencies&gt;
+&lt;/dependencyManagement&gt;
+
+&lt;dependency&gt; <i class="conum" data-value="2"></i><b>(2)</b>
+    &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+    &lt;artifactId&gt;spring-cloud-starter-zipkin&lt;/artifactId&gt;
+&lt;/dependency&gt;</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-zipkin</code>.</td>
+</tr>
+</table>
+</div>
+<div class="paragraph">
+<p>The following example shows how to do so for Gradle:</p>
+</div>
+<div class="listingblock secondary">
+<div class="title">Gradle</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-groovy hljs" data-lang="groovy">dependencyManagement { <i class="conum" data-value="1"></i><b>(1)</b>
+    imports {
+        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${releaseTrainVersion}"
+    }
+}
+
+dependencies { <i class="conum" data-value="2"></i><b>(2)</b>
+    compile "org.springframework.cloud:spring-cloud-starter-zipkin"
+}</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-zipkin</code>.</td>
+</tr>
+</table>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_sleuth_with_zipkin_over_rabbitmq_or_kafka"><a class="link" href="#_sleuth_with_zipkin_over_rabbitmq_or_kafka">Sleuth with Zipkin over RabbitMQ or Kafka</a></h3>
+<div class="paragraph">
+<p>If you want to use RabbitMQ or Kafka instead of HTTP, add the <code>spring-rabbit</code> or <code>spring-kafka</code> dependency.
+The default destination name is <code>zipkin</code>.</p>
+</div>
+<div class="paragraph">
+<p>If using Kafka, you must set the property <code>spring.zipkin.sender.type</code> property accordingly:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-yaml hljs" data-lang="yaml">spring.zipkin.sender.type: kafka</code></pre>
+</div>
+</div>
+<div class="admonitionblock caution">
+<table>
+<tr>
+<td class="icon">
+<i class="fa icon-caution" title="Caution"></i>
+</td>
+<td class="content">
+<code>spring-cloud-sleuth-stream</code> is deprecated and incompatible with these destinations.
+</td>
+</tr>
+</table>
+</div>
+<div class="paragraph">
+<p>If you want Sleuth over RabbitMQ, add the <code>spring-cloud-starter-zipkin</code> and <code>spring-rabbit</code>
+dependencies.</p>
+</div>
+<div class="paragraph">
+<p>The following example shows how to do so for Gradle:</p>
+</div>
+<div class="listingblock primary">
+<div class="title">Maven</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-xml hljs" data-lang="xml">&lt;dependencyManagement&gt; <i class="conum" data-value="1"></i><b>(1)</b>
+      &lt;dependencies&gt;
+          &lt;dependency&gt;
+              &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+              &lt;artifactId&gt;spring-cloud-dependencies&lt;/artifactId&gt;
+              &lt;version&gt;${release.train.version}&lt;/version&gt;
+              &lt;type&gt;pom&lt;/type&gt;
+              &lt;scope&gt;import&lt;/scope&gt;
+          &lt;/dependency&gt;
+      &lt;/dependencies&gt;
+&lt;/dependencyManagement&gt;
+
+&lt;dependency&gt; <i class="conum" data-value="2"></i><b>(2)</b>
+    &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+    &lt;artifactId&gt;spring-cloud-starter-zipkin&lt;/artifactId&gt;
+&lt;/dependency&gt;
+&lt;dependency&gt; <i class="conum" data-value="3"></i><b>(3)</b>
+    &lt;groupId&gt;org.springframework.amqp&lt;/groupId&gt;
+    &lt;artifactId&gt;spring-rabbit&lt;/artifactId&gt;
+&lt;/dependency&gt;</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-zipkin</code>. That way, all nested dependencies get downloaded.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="3"></i><b>3</b></td>
+<td>To automatically configure RabbitMQ, add the <code>spring-rabbit</code> dependency.</td>
+</tr>
+</table>
+</div>
+<div class="listingblock secondary">
+<div class="title">Gradle</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-groovy hljs" data-lang="groovy">dependencyManagement { <i class="conum" data-value="1"></i><b>(1)</b>
+    imports {
+        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${releaseTrainVersion}"
+    }
+}
+
+dependencies {
+    compile "org.springframework.cloud:spring-cloud-starter-zipkin" <i class="conum" data-value="2"></i><b>(2)</b>
+    compile "org.springframework.amqp:spring-rabbit" <i class="conum" data-value="3"></i><b>(3)</b>
+}</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-zipkin</code>. That way, all nested dependencies get downloaded.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="3"></i><b>3</b></td>
+<td>To automatically configure RabbitMQ, add the <code>spring-rabbit</code> dependency.</td>
+</tr>
+</table>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_overriding_the_auto_configuration_of_zipkin"><a class="link" href="#_overriding_the_auto_configuration_of_zipkin">Overriding the auto-configuration of Zipkin</a></h3>
+<div class="paragraph">
+<p>Spring Cloud Sleuth supports sending traces to multiple tracing systems as of version 2.1.0.
+In order to get this to work, every tracing system needs to have a <code>Reporter&lt;Span&gt;</code> and <code>Sender</code>.
+If you want to override the provided beans you need to give them a specific name.
+To do this you can use respectively <code>ZipkinAutoConfiguration.REPORTER_BEAN_NAME</code> and <code>ZipkinAutoConfiguration.SENDER_BEAN_NAME</code>.</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@Configuration
+protected static class MyConfig {
+
+	@Bean(ZipkinAutoConfiguration.REPORTER_BEAN_NAME)
+	Reporter&lt;zipkin2.Span&gt; myReporter() {
+		return AsyncReporter.create(mySender());
+	}
+
+	@Bean(ZipkinAutoConfiguration.SENDER_BEAN_NAME)
+	MySender mySender() {
+		return new MySender();
+	}
+
+	static class MySender extends Sender {
+
+		private boolean spanSent = false;
+
+		boolean isSpanSent() {
+			return this.spanSent;
+		}
+
+		@Override
+		public Encoding encoding() {
+			return Encoding.JSON;
+		}
+
+		@Override
+		public int messageMaxBytes() {
+			return Integer.MAX_VALUE;
+		}
+
+		@Override
+		public int messageSizeInBytes(List&lt;byte[]&gt; encodedSpans) {
+			return encoding().listSizeInBytes(encodedSpans);
+		}
+
+		@Override
+		public Call&lt;Void&gt; sendSpans(List&lt;byte[]&gt; encodedSpans) {
+			this.spanSent = true;
+			return Call.create(null);
+		}
+
+	}
+
+}</code></pre>
+</div>
+</div>
+</div>
+<div class="sect2">
+<h3 id="_only_sleuth_log_correlation"><a class="link" href="#_only_sleuth_log_correlation">Only Sleuth (log correlation)</a></h3>
+<div class="paragraph">
+<p>If you want to use only Spring Cloud Sleuth without the Zipkin integration, add the <code>spring-cloud-starter-sleuth</code> module to your project.</p>
+</div>
+<div class="paragraph">
+<p>The following example shows how to add Sleuth with Maven:</p>
+</div>
+<div class="listingblock primary">
+<div class="title">Maven</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-xml hljs" data-lang="xml">&lt;dependencyManagement&gt; <i class="conum" data-value="1"></i><b>(1)</b>
+      &lt;dependencies&gt;
+          &lt;dependency&gt;
+              &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+              &lt;artifactId&gt;spring-cloud-dependencies&lt;/artifactId&gt;
+              &lt;version&gt;${release.train.version}&lt;/version&gt;
+              &lt;type&gt;pom&lt;/type&gt;
+              &lt;scope&gt;import&lt;/scope&gt;
+          &lt;/dependency&gt;
+      &lt;/dependencies&gt;
+&lt;/dependencyManagement&gt;
+
+&lt;dependency&gt; <i class="conum" data-value="2"></i><b>(2)</b>
+    &lt;groupId&gt;org.springframework.cloud&lt;/groupId&gt;
+    &lt;artifactId&gt;spring-cloud-starter-sleuth&lt;/artifactId&gt;
+&lt;/dependency&gt;</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-sleuth</code>.</td>
+</tr>
+</table>
+</div>
+<div class="paragraph">
+<p>The following example shows how to add Sleuth with Gradle:</p>
+</div>
+<div class="listingblock secondary">
+<div class="title">Gradle</div>
+<div class="content">
+<pre class="highlightjs highlight"><code class="language-groovy hljs" data-lang="groovy">dependencyManagement { <i class="conum" data-value="1"></i><b>(1)</b>
+    imports {
+        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${releaseTrainVersion}"
+    }
+}
+
+dependencies { <i class="conum" data-value="2"></i><b>(2)</b>
+    compile "org.springframework.cloud:spring-cloud-starter-sleuth"
+}</code></pre>
+</div>
+</div>
+<div class="colist arabic">
+<table>
+<tr>
+<td><i class="conum" data-value="1"></i><b>1</b></td>
+<td>We recommend that you add the dependency management through the Spring BOM so that you need not manage versions yourself.</td>
+</tr>
+<tr>
+<td><i class="conum" data-value="2"></i><b>2</b></td>
+<td>Add the dependency to <code>spring-cloud-starter-sleuth</code>.</td>
+</tr>
+</table>
+</div>
+</div>
+</div>
+</div>
+</div>
+<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
+<script type="text/javascript" src="js/toc.js"></script>
+<link rel="stylesheet" href="js/highlight/styles/github.min.css">
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+<script>hljs.initHighlighting()</script>
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+.hljs-link,
+.hljs-meta,
+.hljs-selector-id,
+.hljs-title {
+  color: #61aeee;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
+
+.hljs-link {
+  text-decoration: underline;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/atom-one-light.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/atom-one-light.min.css
@@ -0,0 +1,96 @@
+/*
+
+Atom One Light by Daniel Gamage
+Original One Light Syntax theme from https://github.com/atom/one-light-syntax
+
+base:    #fafafa
+mono-1:  #383a42
+mono-2:  #686b77
+mono-3:  #a0a1a7
+hue-1:   #0184bb
+hue-2:   #4078f2
+hue-3:   #a626a4
+hue-4:   #50a14f
+hue-5:   #e45649
+hue-5-2: #c91243
+hue-6:   #986801
+hue-6-2: #c18401
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  color: #383a42;
+  background: #fafafa;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #a0a1a7;
+  font-style: italic;
+}
+
+.hljs-doctag,
+.hljs-keyword,
+.hljs-formula {
+  color: #a626a4;
+}
+
+.hljs-section,
+.hljs-name,
+.hljs-selector-tag,
+.hljs-deletion,
+.hljs-subst {
+  color: #e45649;
+}
+
+.hljs-literal {
+  color: #0184bb;
+}
+
+.hljs-string,
+.hljs-regexp,
+.hljs-addition,
+.hljs-attribute,
+.hljs-meta-string {
+  color: #50a14f;
+}
+
+.hljs-built_in,
+.hljs-class .hljs-title {
+  color: #c18401;
+}
+
+.hljs-attr,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-type,
+.hljs-selector-class,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-number {
+  color: #986801;
+}
+
+.hljs-symbol,
+.hljs-bullet,
+.hljs-link,
+.hljs-meta,
+.hljs-selector-id,
+.hljs-title {
+  color: #4078f2;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
+
+.hljs-link {
+  text-decoration: underline;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/dracula.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/dracula.min.css
@@ -0,0 +1,76 @@
+/*
+
+Dracula Theme v1.2.0
+
+https://github.com/zenorocha/dracula-theme
+
+Copyright 2015, All rights reserved
+
+Code licensed under the MIT license
+https://zenorocha.mit-license.org/
+
+@author Éverton Ribeiro <nuxlli@gmail.com>
+@author Zeno Rocha <hi@zenorocha.com>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #282a36;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-section,
+.hljs-link {
+  color: #8be9fd;
+}
+
+.hljs-function .hljs-keyword {
+  color: #ff79c6;
+}
+
+.hljs,
+.hljs-subst {
+  color: #f8f8f2;
+}
+
+.hljs-string,
+.hljs-title,
+.hljs-name,
+.hljs-type,
+.hljs-attribute,
+.hljs-symbol,
+.hljs-bullet,
+.hljs-addition,
+.hljs-variable,
+.hljs-template-tag,
+.hljs-template-variable {
+  color: #f1fa8c;
+}
+
+.hljs-comment,
+.hljs-quote,
+.hljs-deletion,
+.hljs-meta {
+  color: #6272a4;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-title,
+.hljs-section,
+.hljs-doctag,
+.hljs-type,
+.hljs-name,
+.hljs-strong {
+  font-weight: bold;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/github.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/github.min.css
@@ -0,0 +1,99 @@
+/*
+
+github.com style (c) Vasily Polovnyov <vast@whiteants.net>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  color: #333;
+  background: #f8f8f8;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #998;
+  font-style: italic;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-subst {
+  color: #333;
+  font-weight: bold;
+}
+
+.hljs-number,
+.hljs-literal,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-tag .hljs-attr {
+  color: #008080;
+}
+
+.hljs-string,
+.hljs-doctag {
+  color: #d14;
+}
+
+.hljs-title,
+.hljs-section,
+.hljs-selector-id {
+  color: #900;
+  font-weight: bold;
+}
+
+.hljs-subst {
+  font-weight: normal;
+}
+
+.hljs-type,
+.hljs-class .hljs-title {
+  color: #458;
+  font-weight: bold;
+}
+
+.hljs-tag,
+.hljs-name,
+.hljs-attribute {
+  color: #000080;
+  font-weight: normal;
+}
+
+.hljs-regexp,
+.hljs-link {
+  color: #009926;
+}
+
+.hljs-symbol,
+.hljs-bullet {
+  color: #990073;
+}
+
+.hljs-built_in,
+.hljs-builtin-name {
+  color: #0086b3;
+}
+
+.hljs-meta {
+  color: #999;
+  font-weight: bold;
+}
+
+.hljs-deletion {
+  background: #fdd;
+}
+
+.hljs-addition {
+  background: #dfd;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/monokai-sublime.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/monokai-sublime.min.css
@@ -0,0 +1,83 @@
+/*
+
+Monokai Sublime style. Derived from Monokai by noformnocontent https://nn.mit-license.org/
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #23241f;
+}
+
+.hljs,
+.hljs-tag,
+.hljs-subst {
+  color: #f8f8f2;
+}
+
+.hljs-strong,
+.hljs-emphasis {
+  color: #a8a8a2;
+}
+
+.hljs-bullet,
+.hljs-quote,
+.hljs-number,
+.hljs-regexp,
+.hljs-literal,
+.hljs-link {
+  color: #ae81ff;
+}
+
+.hljs-code,
+.hljs-title,
+.hljs-section,
+.hljs-selector-class {
+  color: #a6e22e;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-name,
+.hljs-attr {
+  color: #f92672;
+}
+
+.hljs-symbol,
+.hljs-attribute {
+  color: #66d9ef;
+}
+
+.hljs-params,
+.hljs-class .hljs-title {
+  color: #f8f8f2;
+}
+
+.hljs-string,
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-selector-id,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-addition,
+.hljs-variable,
+.hljs-template-variable {
+  color: #e6db74;
+}
+
+.hljs-comment,
+.hljs-deletion,
+.hljs-meta {
+  color: #75715e;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/monokai.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/monokai.min.css
@@ -0,0 +1,70 @@
+/*
+Monokai style - ported by Luigi Maselli - https://grigio.org
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #272822; color: #ddd;
+}
+
+.hljs-tag,
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-strong,
+.hljs-name {
+  color: #f92672;
+}
+
+.hljs-code {
+  color: #66d9ef;
+}
+
+.hljs-class .hljs-title {
+  color: white;
+}
+
+.hljs-attribute,
+.hljs-symbol,
+.hljs-regexp,
+.hljs-link {
+  color: #bf79db;
+}
+
+.hljs-string,
+.hljs-bullet,
+.hljs-subst,
+.hljs-title,
+.hljs-section,
+.hljs-emphasis,
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-addition,
+.hljs-variable,
+.hljs-template-tag,
+.hljs-template-variable {
+  color: #a6e22e;
+}
+
+.hljs-comment,
+.hljs-quote,
+.hljs-deletion,
+.hljs-meta {
+  color: #75715e;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-doctag,
+.hljs-title,
+.hljs-section,
+.hljs-type,
+.hljs-selector-id {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/solarized-light.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/solarized-light.min.css
@@ -0,0 +1,84 @@
+/*
+
+Orginal Style from ethanschoonover.com/solarized (c) Jeremy Hull <sourdrums@gmail.com>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #fdf6e3;
+  color: #657b83;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #93a1a1;
+}
+
+/* Solarized Green */
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-addition {
+  color: #859900;
+}
+
+/* Solarized Cyan */
+.hljs-number,
+.hljs-string,
+.hljs-meta .hljs-meta-string,
+.hljs-literal,
+.hljs-doctag,
+.hljs-regexp {
+  color: #2aa198;
+}
+
+/* Solarized Blue */
+.hljs-title,
+.hljs-section,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class {
+  color: #268bd2;
+}
+
+/* Solarized Yellow */
+.hljs-attribute,
+.hljs-attr,
+.hljs-variable,
+.hljs-template-variable,
+.hljs-class .hljs-title,
+.hljs-type {
+  color: #b58900;
+}
+
+/* Solarized Orange */
+.hljs-symbol,
+.hljs-bullet,
+.hljs-subst,
+.hljs-meta,
+.hljs-meta .hljs-keyword,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-link {
+  color: #cb4b16;
+}
+
+/* Solarized Red */
+.hljs-built_in,
+.hljs-deletion {
+  color: #dc322f;
+}
+
+.hljs-formula {
+  background: #eee8d5;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/zenburn.min.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/highlight/styles/zenburn.min.css
@@ -0,0 +1,80 @@
+/*
+
+Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
+based on dark.css by Ivan Sagalaev
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #3f3f3f;
+  color: #dcdcdc;
+}
+
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-tag {
+  color: #e3ceab;
+}
+
+.hljs-template-tag {
+  color: #dcdcdc;
+}
+
+.hljs-number {
+  color: #8cd0d3;
+}
+
+.hljs-variable,
+.hljs-template-variable,
+.hljs-attribute {
+  color: #efdcbc;
+}
+
+.hljs-literal {
+  color: #efefaf;
+}
+
+.hljs-subst {
+  color: #8f8f8f;
+}
+
+.hljs-title,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class,
+.hljs-section,
+.hljs-type {
+  color: #efef8f;
+}
+
+.hljs-symbol,
+.hljs-bullet,
+.hljs-link {
+  color: #dca3a3;
+}
+
+.hljs-deletion,
+.hljs-string,
+.hljs-built_in,
+.hljs-builtin-name {
+  color: #cc9393;
+}
+
+.hljs-addition,
+.hljs-comment,
+.hljs-quote,
+.hljs-meta {
+  color: #7f9f7f;
+}
+
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/toc.js
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/toc.js
@@ -0,0 +1,80 @@
+var toctitle = document.getElementById('toctitle');
+var path = window.location.pathname;
+if (toctitle != null) {
+    var oldtoc = toctitle.nextElementSibling;
+    var newtoc = document.createElement('div');
+    newtoc.setAttribute('id', 'tocbot');
+    newtoc.setAttribute('class', 'js-toc desktop-toc');
+    oldtoc.setAttribute('class', 'mobile-toc');
+    oldtoc.parentNode.appendChild(newtoc);
+    tocbot.init({
+        contentSelector: '#content',
+        headingSelector: 'h1, h2, h3, h4, h5',
+        positionFixedSelector: 'body',
+        fixedSidebarOffset: 90,
+        smoothScroll: false
+    });
+    if (!path.endsWith("index.html") && !path.endsWith("/")) {
+        var link = document.createElement("a");
+        if (document.getElementById('index-link')) {
+          indexLinkElement = document.querySelector('#index-link > p > a');
+          linkHref = indexLinkElement.getAttribute("href");
+          link.setAttribute("href", linkHref);
+        } else {
+          link.setAttribute("href", "index.html");
+        }
+        link.innerHTML = "<span><i class=\"fa fa-chevron-left\" aria-hidden=\"true\"></i></span> Back to index";
+        var block = document.createElement("div");
+        block.setAttribute('class', 'back-action');
+        block.appendChild(link);
+        var toc = document.getElementById('toc');
+        var next = document.getElementById('toctitle').nextElementSibling;
+        toc.insertBefore(block, next);
+    }
+}
+
+var headerHtml = '<div id="header-spring">\n' +
+    '<h1>\n' +
+    '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0"\n' +
+    'viewBox="0 0 245.8 45.3" style="enable-background:new 0 0 245.8 45.3;" xml:space="preserve">\n' +
+    '<g id="logos">\n' +
+    '<g>\n' +
+    '<path class="st0" d="M39.4,3.7c-0.6,1.5-1.4,2.8-2.3,4c-3.9-4-9.3-6.4-15.2-6.4c-11.7,0-21.3,9.5-21.3,21.3\n' +
+    'c0,6.2,2.6,11.7,6.8,15.6l0.8,0.7c3.7,3.1,8.5,5,13.7,5c11.2,0,20.4-8.7,21.2-19.8C43.7,18.7,42.1,11.8,39.4,3.7z M10.5,38.3\n' +
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+    '<g>\n' +
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+    'z"/>\n' +
+    '<path class="st0" d="M116.9,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4v1c1.3-1.9,3.2-3.4,6.5-3.4c4.7,0,7.4,3.1,7.4,7.9V31\n' +
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+    'c-1.3,0-2.3-1-2.3-2.3V14.3z"/>\n' +
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+    'c0,6.8,4.7,10.7,9.6,10.7c3.4,0,5.6-1.7,7-3.6c-0.2,3.7-2.5,5.7-6.5,5.7c-2.4,0-4.5-0.6-6.3-1.6c-0.2-0.1-0.5-0.2-0.9-0.2\n' +
+    'c-1.1,0-2,0.9-2,2c0,0.9,0.5,1.6,1.3,1.9c2.5,1.2,5.1,1.8,8,1.8c3.7,0,6.6-0.9,8.5-2.8c1.7-1.7,2.7-4.3,2.7-7.8V14.3\n' +
+    'C158.5,13,157.5,11.9,156.2,11.9z M147.9,29.2c-3.2,0-5.9-2.5-5.9-6.6v-0.1c0-4,2.7-6.6,5.9-6.6c3.2,0,6,2.7,6,6.6v0.1\n' +
+    'C153.9,26.6,151.1,29.2,147.9,29.2z"/>\n' +
+    '<path class="st0" d="M114.5,6.3c0,1.3-1.1,2.4-2.4,2.4c-1.3,0-2.4-1.1-2.4-2.4c0-1.3,1.1-2.4,2.4-2.4\n' +
+    'C113.4,3.9,114.5,4.9,114.5,6.3z"/>\n' +
+    '</g>\n' +
+    '</g>\n' +
+    '</g>\n' +
+    '</svg>\n' +
+    '\n' +
+    '</h1>\n' +
+    '</div>';
+
+var header = document.createElement("div");
+header.innerHTML = headerHtml;
+document.body.insertBefore(header, document.body.firstChild);
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/tocbot/tocbot.css
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/tocbot/tocbot.css
@@ -0,0 +1 @@
+.toc{overflow-y:auto}.toc>.toc-list{overflow:hidden;position:relative}.toc>.toc-list li{list-style:none}.toc-list{margin:0;padding-left:10px}a.toc-link{color:currentColor;height:100%}.is-collapsible{max-height:1000px;overflow:hidden;transition:all 300ms ease-in-out}.is-collapsed{max-height:0}.is-position-fixed{position:fixed !important;top:0}.is-active-link{font-weight:700}.toc-link::before{background-color:#EEE;content:' ';display:inline-block;height:inherit;left:0;margin-top:-1px;position:absolute;width:2px}.is-active-link::before{background-color:#54BC4B}
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/tocbot/tocbot.min.js
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/js/tocbot/tocbot.min.js
--- a/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/logback-spring.xml
+++ b/spring-cloud-sleuth/3.0.0.M1/reference/htmlsingle/logback-spring.xml
@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+	<include resource="org/springframework/boot/logging/logback/defaults.xml"/>
+	<springProperty scope="context" name="springAppName" source="spring.application.name"/>
+	<!-- Example for logging into the build folder of your project -->
+	<property name="LOG_FILE" value="${BUILD_FOLDER:-build}/${springAppName}"/>
+
+	<!-- You can override this to have a custom pattern -->
+	<property name="CONSOLE_LOG_PATTERN"
+			  value="%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/>
+
+	<!-- Appender to log to console -->
+	<appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+		<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+			<!-- Minimum logging level to be presented in the console logs-->
+			<level>DEBUG</level>
+		</filter>
+		<encoder>
+			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
+			<charset>utf8</charset>
+		</encoder>
+	</appender>
+
+	<!-- Appender to log to file -->
+	<appender name="flatfile" class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>${LOG_FILE}</file>
+		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.gz</fileNamePattern>
+			<maxHistory>7</maxHistory>
+		</rollingPolicy>
+		<encoder>
+			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
+			<charset>utf8</charset>
+		</encoder>
+	</appender>
+	<!-- Appender to log to file in a JSON format -->
+	<appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
+		<file>${LOG_FILE}.json</file>
+		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+			<fileNamePattern>${LOG_FILE}.json.%d{yyyy-MM-dd}.gz</fileNamePattern>
+			<maxHistory>7</maxHistory>
+		</rollingPolicy>
+		<encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
+			<providers>
+				<timestamp>
+					<timeZone>UTC</timeZone>
+				</timestamp>
+				<pattern>
+					<pattern>
+						{
+						"timestamp": "@timestamp",
+						"severity": "%level",
+						"service": "${springAppName:-}",
+						"trace": "%X{traceId:-}",
+						"span": "%X{spanId:-}",
+						"pid": "${PID:-}",
+						"thread": "%thread",
+						"class": "%logger{40}",
+						"rest": "%message"
+						}
+					</pattern>
+				</pattern>
+			</providers>
+		</encoder>
+	</appender>
+	<root level="INFO">
+		<appender-ref ref="console"/>
+		<!-- uncomment this to have also JSON logs -->
+		<!--<appender-ref ref="logstash"/>-->
+		<!--<appender-ref ref="flatfile"/>-->
+	</root>
+</configuration>
				`@@ -0,0 +1 @@`
				.toc{overflow-y:auto}.toc>.toc-list{overflow:hidden;position:relative}.toc>.toc-list li{list-style:none}.toc-list{margin:0;padding-left:10px}a.toc-link{color:currentColor;height:100%}.is-collapsible{max-height:1000px;overflow:hidden;transition:all 300ms ease-in-out}.is-collapsed{max-height:0}.is-position-fixed{position:fixed !important;top:0}.is-active-link{font-weight:700}.toc-link::before{background-color:#EEE;content:' ';display:inline-block;height:inherit;left:0;margin-top:-1px;position:absolute;width:2px}.is-active-link::before{background-color:#54BC4B}