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<title>15. Integrations</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="up" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="prev" href="multi__zipkin_stream_span_consumer.html" title="14. Zipkin Stream Span Consumer"><link rel="next" href="multi__running_examples.html" title="16. Running examples"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">15. Integrations</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__zipkin_stream_span_consumer.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="multi__running_examples.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="_integrations" href="#_integrations"></a>15. Integrations</h1></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_opentracing" href="#_opentracing"></a>15.1 OpenTracing</h2></div></div></div><p>Spring Cloud Sleuth is compatible with <a class="link" href="http://opentracing.io/" target="_top">OpenTracing</a>.
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<title>15. Integrations</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="up" href="multi_spring-cloud-sleuth.html" title="Spring Cloud Sleuth"><link rel="prev" href="multi__zipkin_stream_span_consumer.html" title="14. Zipkin Stream Span Consumer"><link rel="next" href="multi__running_examples.html" title="16. Running examples"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">15. Integrations</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__zipkin_stream_span_consumer.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="multi__running_examples.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a name="_integrations" href="#_integrations"></a>15. Integrations</h1></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_opentracing" href="#_opentracing"></a>15.1 OpenTracing</h2></div></div></div><p>Spring Cloud Sleuth is compatible with <a class="link" href="https://opentracing.io/" target="_top">OpenTracing</a>.
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If you have OpenTracing on the classpath, we automatically register the OpenTracing <code class="literal">Tracer</code> bean.
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If you wish to disable this, set <code class="literal">spring.sleuth.opentracing.enabled</code> to <code class="literal">false</code></p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_runnable_and_callable" href="#_runnable_and_callable"></a>15.2 Runnable and Callable</h2></div></div></div><p>If you wrap your logic in <code class="literal">Runnable</code> or <code class="literal">Callable</code>, you can wrap those classes in their Sleuth representative, as shown in the following example for <code class="literal">Runnable</code>:</p><pre class="programlisting">Runnable runnable = <span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">new</span> Runnable() {
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<em><span class="hl-annotation" style="color: gray">@Override</span></em>
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@@ -111,7 +111,7 @@ In the following snippet, you can see an example of how to set up such a custom
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}
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}</pre></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_webclient" href="#_webclient"></a>15.6.3 <code class="literal">WebClient</code></h3></div></div></div><p>We inject a <code class="literal">ExchangeFilterFunction</code> implementation that creates a span and, through on-success and on-error callbacks, takes care of closing client-side spans.</p><p>To block this feature, set <code class="literal">spring.sleuth.web.client.enabled</code> to <code class="literal">false</code>.</p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>You have to register <code class="literal">WebClient</code> as a bean so that the tracing instrumentation gets applied.
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If you create a <code class="literal">WebClient</code> instance with a <code class="literal">new</code> keyword, the instrumentation does NOT work.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_traverson" href="#_traverson"></a>15.6.4 Traverson</h3></div></div></div><p>If you use the <a class="link" href="http://docs.spring.io/spring-hateoas/docs/current/reference/html/#client.traverson" target="_top">Traverson</a> library, you can inject a <code class="literal">RestTemplate</code> as a bean into your Traverson object.
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If you create a <code class="literal">WebClient</code> instance with a <code class="literal">new</code> keyword, the instrumentation does NOT work.</p></td></tr></table></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_traverson" href="#_traverson"></a>15.6.4 Traverson</h3></div></div></div><p>If you use the <a class="link" href="https://docs.spring.io/spring-hateoas/docs/current/reference/html/#client.traverson" target="_top">Traverson</a> library, you can inject a <code class="literal">RestTemplate</code> as a bean into your Traverson object.
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Since <code class="literal">RestTemplate</code> is already intercepted, you get full support for tracing in your client. The following pseudo code
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shows how to do that:</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Autowired</span></em> RestTemplate restTemplate;
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@@ -170,7 +170,7 @@ The following example shows how to set up such a custom <code class="literal">Ex
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}</pre><div class="tip" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Tip"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Tip]" src="images/tip.png"></td><th align="left">Tip</th></tr><tr><td align="left" valign="top"><p>To ensure that your configuration gets post processed, remember
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to add the <code class="literal">@Role(BeanDefinition.ROLE_INFRASTRUCTURE)</code> on your
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<code class="literal">@Configuration</code> class</p></td></tr></table></div></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_messaging" href="#_messaging"></a>15.10 Messaging</h2></div></div></div><p>Features from this section can be disabled by setting the <code class="literal">spring.sleuth.messaging.enabled</code> property with value equal to <code class="literal">false</code>.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_spring_integration_and_spring_cloud_stream" href="#_spring_integration_and_spring_cloud_stream"></a>15.10.1 Spring Integration and Spring Cloud Stream</h3></div></div></div><p>Spring Cloud Sleuth integrates with <a class="link" href="http://projects.spring.io/spring-integration/" target="_top">Spring Integration</a>.
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<code class="literal">@Configuration</code> class</p></td></tr></table></div></div></div></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="_messaging" href="#_messaging"></a>15.10 Messaging</h2></div></div></div><p>Features from this section can be disabled by setting the <code class="literal">spring.sleuth.messaging.enabled</code> property with value equal to <code class="literal">false</code>.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_spring_integration_and_spring_cloud_stream" href="#_spring_integration_and_spring_cloud_stream"></a>15.10.1 Spring Integration and Spring Cloud Stream</h3></div></div></div><p>Spring Cloud Sleuth integrates with <a class="link" href="https://projects.spring.io/spring-integration/" target="_top">Spring Integration</a>.
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It creates spans for publish and subscribe events.
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To disable Spring Integration instrumentation, set <code class="literal">spring.sleuth.integration.enabled</code> to <code class="literal">false</code>.</p><p>You can provide the <code class="literal">spring.sleuth.integration.patterns</code> pattern to explicitly provide the names of channels that you want to include for tracing.
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By default, all channels but <code class="literal">hystrixStreamOutput</code> channel are included.</p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><table border="0" summary="Important"><tr><td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="images/important.png"></td><th align="left">Important</th></tr><tr><td align="left" valign="top"><p>When using the <code class="literal">Executor</code> to build a Spring Integration <code class="literal">IntegrationFlow</code>, you must use the untraced version of the <code class="literal">Executor</code>.
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