Rename error.* properties to server.error.*

Closes gh-4050

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcChildContextConfiguration.java

@@ -31,7 +31,6 @@ import org.springframework.beans.factory.BeanFactoryUtils;
 import org.springframework.beans.factory.HierarchicalBeanFactory;
 import org.springframework.beans.factory.ListableBeanFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.actuate.autoconfigure.ManagementWebSecurityAutoConfiguration.ManagementWebSecurityConfigurerAdapter;
 import org.springframework.boot.actuate.endpoint.mvc.EndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.mvc.ManagementErrorEndpoint;
@@ -83,9 +82,6 @@ public class EndpointWebMvcChildContextConfiguration {
 	private static Log logger = LogFactory
 			.getLog(EndpointWebMvcChildContextConfiguration.class);
 
-	@Value("${error.path:/error}")
-	private String errorPath = "/error";
-
 	@Bean(name = DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME)
 	public DispatcherServlet dispatcherServlet() {
 		DispatcherServlet dispatcherServlet = new DispatcherServlet();
@@ -123,8 +119,9 @@ public class EndpointWebMvcChildContextConfiguration {
 	 * disabled. So we expose the same feature but only for machine endpoints.
 	 */
 	@Bean
-	public ManagementErrorEndpoint errorEndpoint(final ErrorAttributes errorAttributes) {
+	public ManagementErrorEndpoint errorEndpoint(ServerProperties serverProperties,
-		return new ManagementErrorEndpoint(this.errorPath, errorAttributes);
+			final ErrorAttributes errorAttributes) {
+		return new ManagementErrorEndpoint(serverProperties.getError().getPath(), errorAttributes);
 	}
 
 	/**
@@ -208,9 +205,6 @@ public class EndpointWebMvcChildContextConfiguration {
 	static class ServerCustomization implements EmbeddedServletContainerCustomizer,
 			Ordered {
 
-		@Value("${error.path:/error}")
-		private String errorPath = "/error";
-
 		@Autowired
 		private ListableBeanFactory beanFactory;
 
@@ -242,7 +236,7 @@ public class EndpointWebMvcChildContextConfiguration {
 			// and add the management-specific bits
 			container.setPort(this.managementServerProperties.getPort());
 			container.setAddress(this.managementServerProperties.getAddress());
-			container.addErrorPages(new ErrorPage(this.errorPath));
+			container.addErrorPages(new ErrorPage(this.server.getError().getPath()));
 		}
 
 	}

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/BasicErrorController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2014 the original author or authors.
+ * Copyright 2012-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,7 +45,7 @@ import org.springframework.web.servlet.ModelAndView;
  * @see ErrorProperties
  */
 @Controller
-@RequestMapping("${error.path:/error}")
+@RequestMapping("${server.error.path:${error.path:/error}}")
 public class BasicErrorController extends AbstractErrorController {
 
 	private final ErrorProperties errorProperties;

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ErrorMvcAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2014 the original author or authors.
+ * Copyright 2012-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,9 +75,6 @@ import org.springframework.web.util.HtmlUtils;
 public class ErrorMvcAutoConfiguration implements EmbeddedServletContainerCustomizer,
 		Ordered {
 
-	@Autowired
-	private ErrorProperties errorProperties;
-
 	@Autowired
 	private ServerProperties properties;
 
@@ -95,17 +92,17 @@ public class ErrorMvcAutoConfiguration implements EmbeddedServletContainerCustom
 	@Bean
 	@ConditionalOnMissingBean(value = ErrorController.class, search = SearchStrategy.CURRENT)
 	public BasicErrorController basicErrorController(ErrorAttributes errorAttributes) {
-		return new BasicErrorController(errorAttributes, this.errorProperties);
+		return new BasicErrorController(errorAttributes, this.properties.getError());
 	}
 
 	@Override
 	public void customize(ConfigurableEmbeddedServletContainer container) {
 		container.addErrorPages(new ErrorPage(this.properties.getServletPrefix()
-				+ this.errorProperties.getPath()));
+				+ this.properties.getError().getPath()));
 	}
 
 	@Configuration
-	@ConditionalOnProperty(prefix = "error.whitelabel", name = "enabled", matchIfMissing = true)
+	@ConditionalOnProperty(prefix = "server.error.whitelabel", name = "enabled", matchIfMissing = true)
 	@Conditional(ErrorTemplateMissingCondition.class)
 	protected static class WhitelabelErrorViewConfiguration {
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ErrorProperties.java

@@ -16,7 +16,7 @@
 
 package org.springframework.boot.autoconfigure.web;
 
-import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.beans.factory.annotation.Value;
 
 /**
  * Configuration properties for web error handling.
@@ -25,12 +25,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Stephane Nicoll
  * @since 1.3.0
  */
-@ConfigurationProperties("error")
 public class ErrorProperties {
 
 	/**
 	 * Path of the error controller.
 	 */
+	@Value("${error.path:/error}")
 	private String path = "/error";
 
 	/**

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java

@@ -96,6 +96,9 @@ public class ServerProperties implements EmbeddedServletContainerCustomizer,
 	 */
 	private String displayName = "application";
 
+	@NestedConfigurationProperty
+	private ErrorProperties error = new ErrorProperties();
+
 	/**
 	 * Path of the main dispatcher servlet.
 	 */
@@ -328,6 +331,10 @@ public class ServerProperties implements EmbeddedServletContainerCustomizer,
 		this.session.setTimeout(sessionTimeout);
 	}
 
+	public ErrorProperties getError() {
+		return this.error;
+	}
+
 	public Session getSession() {
 		return this.session;
 	}

spring-boot-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -1,10 +1,24 @@
 {"properties": [
+  {
+    "name": "error.path",
+    "type": "java.lang.String",
+    "description": "Path of the error controller.",
+    "deprecation": {
+      "replacement": "server.error.path"
+    }
+  },
   {
     "name": "multipart.enabled",
     "type": "java.lang.Boolean",
     "description": "Enable support of multi-part uploads.",
     "defaultValue": true
   },
+  {
+    "name": "server.error.whitelabel.enabled",
+    "type": "java.lang.Boolean",
+    "description": "Enable the default error page displayed in browsers in case of a server error.",
+    "defaultValue": true
+  },
   {
     "name": "spring.aop.auto",
     "type": "java.lang.Boolean",

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/BasicErrorControllerDirectMockMvcTests.java

@@ -99,7 +99,7 @@ public class BasicErrorControllerDirectMockMvcTests {
 	public void errorPageNotAvailableWithWhitelabelDisabled() throws Exception {
 		setup((ConfigurableWebApplicationContext) new SpringApplication(
 				WebMvcIncludedConfiguration.class).run("--server.port=0",
-				"--error.whitelabel.enabled=false"));
+				"--server.error.whitelabel.enabled=false"));
 
 		this.thrown.expect(ServletException.class);
 		this.mockMvc.perform(get("/error").accept(MediaType.TEXT_HTML));

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/BasicErrorControllerIntegrationTests.java

@@ -95,7 +95,7 @@ public class BasicErrorControllerIntegrationTests {
 	@Test
 	@SuppressWarnings("rawtypes")
 	public void testErrorForMachineClientTracePramamStacktrace() throws Exception {
-		load("--error.include-stacktrace=on-trace-param");
+		load("--server.error.include-stacktrace=on-trace-param");
 		ResponseEntity<Map> entity = new TestRestTemplate().getForEntity(
 				createUrl("?trace=true"), Map.class);
 		assertErrorAttributes(entity.getBody(), "500", "" + "Internal Server Error",
@@ -106,7 +106,7 @@ public class BasicErrorControllerIntegrationTests {
 	@Test
 	@SuppressWarnings("rawtypes")
 	public void testErrorForMachineClientNoStacktrace() throws Exception {
-		load("--error.include-stacktrace=never");
+		load("--server.error.include-stacktrace=never");
 		ResponseEntity<Map> entity = new TestRestTemplate().getForEntity(
 				createUrl("?trace=true"), Map.class);
 		assertErrorAttributes(entity.getBody(), "500", "" + "Internal Server Error",
@@ -118,7 +118,7 @@ public class BasicErrorControllerIntegrationTests {
 	@Test
 	@SuppressWarnings("rawtypes")
 	public void testErrorForMachineClientAlwaysStacktrace() throws Exception {
-		load("--error.include-stacktrace=always");
+		load("--server.error.include-stacktrace=always");
 		ResponseEntity<Map> entity = new TestRestTemplate().getForEntity(
 				createUrl("?trace=false"), Map.class);
 		assertErrorAttributes(entity.getBody(), "500", "" + "Internal Server Error",

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -139,8 +139,9 @@ content into your application; rather pick only the properties that you need.
     server.undertow.worker-threads= # number of worker threads
 
 	# ERROR HANDLING ({sc-spring-boot-autoconfigure}/web/ErrorProperties.{sc-ext}[ErrorProperties])
-	error.path=/error # the error path
+	server.error.path=/error # the error path
-	error.include-stacktrace=never # when to include a stacktrace attribute (never/alway/on-trace-param)
+	server.error.include-stacktrace=never # when to include a stacktrace attribute (never/alway/on-trace-param)
+	server.error.whitelabel.enabled=true # enable the default error page displayed in browsers in case of a server error
 
 	# SPRING MVC ({sc-spring-boot-autoconfigure}/web/WebMvcProperties.{sc-ext}[WebMvcProperties])
 	spring.mvc.locale= # set fixed locale, e.g. en_UK

spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -1744,7 +1744,7 @@ in the '`Production-ready features`' section.
 Spring Boot installs a '`whitelabel`' error page that you will see in browser client if
 you encounter a server error (machine clients consuming JSON and other media types should
 see a sensible response with the right error code). To switch it off you can set
-`error.whitelabel.enabled=false`, but normally in addition or alternatively to that you
+`server.error.whitelabel.enabled=false`, but normally in addition or alternatively to that you
 will want to add your own error page replacing the whitelabel one. Exactly how you do this
 depends on the templating technology that you are using. For example, if you are using
 Thymeleaf you would add an `error.html` template and if you are using FreeMarker you would

spring-boot-samples/spring-boot-sample-actuator/src/test/resources/application-endpoints.properties

@@ -1,3 +1,3 @@
-error.path: /oops
+server.error.path: /oops
 management.context-path: /admin
 endpoints.health.sensitive: false