Move ErrorController to autoconfig

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

@@ -31,10 +31,10 @@ import org.springframework.boot.actuate.endpoint.mvc.EndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.mvc.ManagementErrorEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoint;
 import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoints;
-import org.springframework.boot.actuate.web.ErrorController;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.SearchStrategy;
+import org.springframework.boot.autoconfigure.web.ErrorController;
 import org.springframework.boot.autoconfigure.web.HttpMessageConverters;
 import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
 import org.springframework.boot.context.embedded.EmbeddedServletContainer;

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

@@ -22,14 +22,11 @@ import java.util.List;
 import java.util.Set;
 
 import javax.annotation.PostConstruct;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.actuate.endpoint.Endpoint;
 import org.springframework.boot.actuate.endpoint.mvc.EndpointHandlerMapping;
 import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoint;
-import org.springframework.boot.actuate.web.ErrorController;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
@@ -43,12 +40,12 @@ import org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration
 import org.springframework.boot.autoconfigure.security.SecurityPrequisite;
 import org.springframework.boot.autoconfigure.security.SecurityProperties;
 import org.springframework.boot.autoconfigure.security.SpringBootWebSecurityConfiguration;
+import org.springframework.boot.autoconfigure.web.ErrorController;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
-import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.config.annotation.web.WebSecurityConfigurer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.builders.WebSecurity;
@@ -56,12 +53,9 @@ import org.springframework.security.config.annotation.web.builders.WebSecurity.I
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
-import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.web.AuthenticationEntryPoint;
 import org.springframework.security.web.authentication.www.BasicAuthenticationEntryPoint;
 import org.springframework.util.StringUtils;
-import org.springframework.web.bind.annotation.ControllerAdvice;
-import org.springframework.web.bind.annotation.ExceptionHandler;
 
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for security of framework endpoints.
@@ -91,19 +85,6 @@ public class ManagementSecurityAutoConfiguration {
 		return new IgnoredPathsWebSecurityConfigurerAdapter();
 	}
 
-	@ConditionalOnWebApplication
-	@ControllerAdvice
-	@Order(Ordered.HIGHEST_PRECEDENCE + 10)
-	protected static class SecurityExceptionRethrowingAdvice {
-
-		@ExceptionHandler({ AccessDeniedException.class, AuthenticationException.class })
-		public void handle(HttpServletRequest request, HttpServletResponse response,
-				Exception e) throws Exception {
-			throw e;
-		}
-
-	}
-
 	@Configuration
 	protected static class ManagementSecurityPropertiesConfiguration implements
 			SecurityPrequisite {

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

@@ -24,10 +24,10 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.actuate.trace.TraceRepository;
 import org.springframework.boot.actuate.trace.WebRequestTraceFilter;
-import org.springframework.boot.actuate.web.BasicErrorController;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.web.BasicErrorController;
 import org.springframework.context.annotation.Bean;
 import org.springframework.web.servlet.DispatcherServlet;
 

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/mvc/ManagementErrorEndpoint.java

@@ -19,7 +19,7 @@ package org.springframework.boot.actuate.endpoint.mvc;
 import java.util.Map;
 
 import org.springframework.boot.actuate.endpoint.Endpoint;
-import org.springframework.boot.actuate.web.ErrorController;
+import org.springframework.boot.autoconfigure.web.ErrorController;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.util.Assert;
 import org.springframework.web.bind.annotation.RequestMapping;

spring-boot-actuator/src/main/java/org/springframework/boot/actuate/trace/WebRequestTraceFilter.java

@@ -34,7 +34,7 @@ import javax.servlet.http.HttpServletResponse;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.springframework.boot.actuate.web.BasicErrorController;
+import org.springframework.boot.autoconfigure.web.BasicErrorController;
 import org.springframework.core.Ordered;
 import org.springframework.web.context.request.ServletRequestAttributes;
 

spring-boot-actuator/src/main/resources/META-INF/spring.factories

@@ -5,7 +5,6 @@ org.springframework.boot.actuate.autoconfigure.EndpointAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.EndpointMBeanExportAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.JolokiaAutoConfiguration,\
-org.springframework.boot.actuate.autoconfigure.ErrorMvcAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.ManagementServerPropertiesAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.MetricFilterAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.MetricRepositoryAutoConfiguration,\

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcAutoConfigurationTests.java

@@ -29,6 +29,7 @@ import org.springframework.boot.actuate.endpoint.mvc.MvcEndpoint;
 import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/trace/WebRequestTraceFilterTests.java

@@ -19,7 +19,7 @@ package org.springframework.boot.actuate.trace;
 import java.util.Map;
 
 import org.junit.Test;
-import org.springframework.boot.actuate.web.BasicErrorController;
+import org.springframework.boot.autoconfigure.web.BasicErrorController;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/SpringBootWebSecurityConfiguration.java

@@ -20,6 +20,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
@@ -34,6 +37,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.authentication.AuthenticationEventPublisher;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.DefaultAuthenticationEventPublisher;
@@ -47,10 +51,13 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.config.annotation.web.configurers.HeadersConfigurer;
 import org.springframework.security.config.annotation.web.servlet.configuration.EnableWebMvcSecurity;
+import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.web.AuthenticationEntryPoint;
 import org.springframework.security.web.authentication.www.BasicAuthenticationEntryPoint;
 import org.springframework.security.web.header.writers.HstsHeaderWriter;
 import org.springframework.security.web.util.matcher.AnyRequestMatcher;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.servlet.support.RequestDataValueProcessor;
 
 /**
@@ -102,6 +109,18 @@ public class SpringBootWebSecurityConfiguration {
 		return new IgnoredPathsWebSecurityConfigurerAdapter();
 	}
 
+	@ControllerAdvice
+	@Order(Ordered.HIGHEST_PRECEDENCE + 10)
+	protected static class SecurityExceptionRethrowingAdvice {
+
+		@ExceptionHandler({ AccessDeniedException.class, AuthenticationException.class })
+		public void handle(HttpServletRequest request, HttpServletResponse response,
+				Exception e) throws Exception {
+			throw e;
+		}
+
+	}
+
 	public static void configureHeaders(HeadersConfigurer<?> configurer,
 			SecurityProperties.Headers headers) throws Exception {
 		if (headers.getHsts() != Headers.HSTS.none) {

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.web;
+package org.springframework.boot.autoconfigure.web;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.web;
+package org.springframework.boot.autoconfigure.web;
 
 import java.util.Map;
 

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.autoconfigure;
+package org.springframework.boot.autoconfigure.web;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -24,8 +24,6 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.boot.actuate.web.BasicErrorController;
-import org.springframework.boot.actuate.web.ErrorController;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
@@ -36,7 +34,6 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplicat
 import org.springframework.boot.autoconfigure.condition.SearchStrategy;
 import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
 import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration.DefaultTemplateResolverConfiguration;
-import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
 import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
 import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
 import org.springframework.boot.context.embedded.ErrorPage;

spring-boot-autoconfigure/src/main/resources/META-INF/spring.factories

@@ -32,4 +32,5 @@ org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration,\
 org.springframework.boot.autoconfigure.web.MultipartAutoConfiguration,\
 org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration,\
 org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration,\
+org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration,\
 org.springframework.boot.autoconfigure.websocket.WebSocketAutoConfiguration

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AdhocTestSuite.java

@@ -20,8 +20,8 @@ import org.junit.Ignore;
 import org.junit.runner.RunWith;
 import org.junit.runners.Suite;
 import org.junit.runners.Suite.SuiteClasses;
-import org.springframework.boot.SimpleMainTests;
-import org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletContainerFactoryTests;
+import org.springframework.boot.autoconfigure.security.SecurityAutoConfigurationTests;
+import org.springframework.boot.autoconfigure.web.DefaultErrorViewIntegrationTests;
 
 /**
  * A test suite for probing weird ordering problems in the tests.
@@ -29,7 +29,8 @@ import org.springframework.boot.context.embedded.jetty.JettyEmbeddedServletConta
  * @author Dave Syer
  */
 @RunWith(Suite.class)
-@SuiteClasses({ SimpleMainTests.class, JettyEmbeddedServletContainerFactoryTests.class })
+@SuiteClasses({ DefaultErrorViewIntegrationTests.class,
+		SecurityAutoConfigurationTests.class })
 @Ignore
 public class AdhocTestSuite {
 

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/SecurityAutoConfigurationTests.java

@@ -114,6 +114,8 @@ public class SecurityAutoConfigurationTests {
 	public void testJpaCoexistsHappily() throws Exception {
 		this.context = new AnnotationConfigWebApplicationContext();
 		this.context.setServletContext(new MockServletContext());
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.datasource.url:jdbc:hsqldb:mem:testsecdb");
 		this.context.register(EntityConfiguration.class,
 				PropertyPlaceholderAutoConfiguration.class,
 				DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class,

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

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.web;
+package org.springframework.boot.autoconfigure.web;
 
 import java.util.Map;
 
@@ -28,16 +28,17 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.actuate.autoconfigure.EndpointMBeanExportAutoConfiguration;
-import org.springframework.boot.actuate.autoconfigure.ManagementSecurityAutoConfiguration;
-import org.springframework.boot.actuate.web.BasicErrorControllerIntegrationTests.TestConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
 import org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.BasicErrorControllerIntegrationTests.TestConfiguration;
 import org.springframework.boot.test.SpringApplicationConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.MediaType;
 import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
 import org.springframework.test.web.servlet.MockMvc;
@@ -61,6 +62,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @SpringApplicationConfiguration(classes = TestConfiguration.class)
 @RunWith(SpringJUnit4ClassRunner.class)
 @WebAppConfiguration
+@DirtiesContext
 public class BasicErrorControllerIntegrationTests {
 
 	@Autowired
@@ -117,8 +119,7 @@ public class BasicErrorControllerIntegrationTests {
 
 	@Configuration
 	@EnableAutoConfiguration(exclude = { SecurityAutoConfiguration.class,
-			ManagementSecurityAutoConfiguration.class,
-			EndpointMBeanExportAutoConfiguration.class })
+			DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class })
 	public static class TestConfiguration {
 
 		// For manual testing

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

@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.web;
+package org.springframework.boot.autoconfigure.web;
 
 import org.junit.After;
 import org.junit.Test;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.actuate.autoconfigure.EndpointMBeanExportAutoConfiguration;
-import org.springframework.boot.actuate.autoconfigure.ManagementSecurityAutoConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
 import org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.context.annotation.Configuration;
@@ -82,16 +82,14 @@ public class BasicErrorControllerSpecialIntegrationTests {
 
 	@Configuration
 	@EnableAutoConfiguration(exclude = { SecurityAutoConfiguration.class,
-			ManagementSecurityAutoConfiguration.class,
-			EndpointMBeanExportAutoConfiguration.class })
+			HibernateJpaAutoConfiguration.class, DataSourceAutoConfiguration.class })
 	protected static class ParentConfiguration {
 
 	}
 
 	@Configuration
 	@EnableAutoConfiguration(exclude = { SecurityAutoConfiguration.class,
-			ManagementSecurityAutoConfiguration.class,
-			EndpointMBeanExportAutoConfiguration.class })
+			HibernateJpaAutoConfiguration.class, DataSourceAutoConfiguration.class })
 	@EnableWebMvc
 	protected static class WebMvcIncludedConfiguration {
 		// For manual testing
@@ -103,10 +101,9 @@ public class BasicErrorControllerSpecialIntegrationTests {
 
 	@Configuration
 	@EnableAutoConfiguration(exclude = { SecurityAutoConfiguration.class,
-			ManagementSecurityAutoConfiguration.class,
-			EndpointMBeanExportAutoConfiguration.class })
+			HibernateJpaAutoConfiguration.class, DataSourceAutoConfiguration.class })
 	protected static class VanillaConfiguration {
-		// For manual testing
+		// For manual testingm
 		public static void main(String[] args) {
 			SpringApplication.run(VanillaConfiguration.class, args);
 		}
@@ -115,8 +112,7 @@ public class BasicErrorControllerSpecialIntegrationTests {
 
 	@Configuration
 	@EnableAutoConfiguration(exclude = { SecurityAutoConfiguration.class,
-			ManagementSecurityAutoConfiguration.class,
-			EndpointMBeanExportAutoConfiguration.class })
+			HibernateJpaAutoConfiguration.class, DataSourceAutoConfiguration.class })
 	protected static class ChildConfiguration {
 		// For manual testing
 		public static void main(String[] args) {

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

@@ -14,18 +14,19 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.actuate.web;
+package org.springframework.boot.autoconfigure.web;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.actuate.web.DefaultErrorViewIntegrationTests.TestConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.DefaultErrorViewIntegrationTests.TestConfiguration;
 import org.springframework.boot.test.SpringApplicationConfiguration;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.MediaType;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
 import org.springframework.test.web.servlet.MockMvc;
@@ -43,6 +44,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @SpringApplicationConfiguration(classes = TestConfiguration.class)
 @RunWith(SpringJUnit4ClassRunner.class)
 @WebAppConfiguration
+@DirtiesContext
 public class DefaultErrorViewIntegrationTests {
 
 	@Autowired

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

@@ -1150,7 +1150,7 @@ a `View` that resolves with a name of `error`, and/or a `@Controller` that handl
 `/error` path. Unless you replaced some of the default configuration you should find a
 `BeanNameViewResolver` in your `ApplicationContext` so a `@Bean` with id `error` would be
 a simple way of doing that.
-Look at {sc-spring-boot-actuator}/autoconfigure/ErrorMvcAutoConfiguration.{sc-ext}[`ErrorMvcAutoConfiguration`] for more options.
+Look at {sc-spring-boot-autoconfigure}/web/ErrorMvcAutoConfiguration.{sc-ext}[`ErrorMvcAutoConfiguration`] for more options.
 
 
 

spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -737,43 +737,6 @@ the capacity. You can also create your own alternative `TraceRepository` impleme
 if needed.
 
 
-
-[[production-ready-error-handling]]
-== Error Handling
-Spring Boot Actuator provides an `/error` mapping by default that handles all errors in a
-sensible way, and it is registered as a ``global'' error page in the servlet container.
-For machine clients it will produce a JSON response with details of the error, the HTTP
-status and the exception message. For browser clients there is a ``whitelabel'' error
-view that renders the same data in HTML format (to customize it just add a `View` that
-resolves to ``error'').
-
-If you want more specific error pages for some conditions, the embedded servlet containers
-support a uniform Java DSL for customizing the error handling. For example:
-
-[source,java,indent=0,subs="verbatim,quotes,attributes"]
-----
-	@Bean
-	public EmbeddedServletContainerCustomizer containerCustomizer(){
-		return new MyCustomizer();
-	}
-
-	// ...
-
-	private static class MyCustomizer implements EmbeddedServletContainerCustomizer {
-
-		@Override
-		public void customize(ConfigurableEmbeddedServletContainer factory) {
-            factory.addErrorPages(new ErrorPage(HttpStatus.BAD_REQUEST, "/400"));
-		}
-
-	}
-----
-
-You can also use regular Spring MVC features like http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-exception-handlers[`@ExceptionHandler`
-methods] and http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-ann-controller-advice[`@ControllerAdvice`].
-
-
-
 [[production-ready-process-monitoring]]
 == Process monitoring
 In Spring Boot Actuator you can find `ApplicationPidListener` which creates file

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

@@ -906,6 +906,41 @@ TIP: JSPs should be avoided if possible, there are several
 servlet containers.
 
 
+[[boot-features-error-handling]]
+==== Error Handling
+Spring Boot provides an `/error` mapping by default that handles all errors in a
+sensible way, and it is registered as a ``global'' error page in the servlet container.
+For machine clients it will produce a JSON response with details of the error, the HTTP
+status and the exception message. For browser clients there is a ``whitelabel'' error
+view that renders the same data in HTML format (to customize it just add a `View` that
+resolves to ``error'').
+
+If you want more specific error pages for some conditions, the embedded servlet containers
+support a uniform Java DSL for customizing the error handling. For example:
+
+[source,java,indent=0,subs="verbatim,quotes,attributes"]
+----
+	@Bean
+	public EmbeddedServletContainerCustomizer containerCustomizer(){
+		return new MyCustomizer();
+	}
+
+	// ...
+
+	private static class MyCustomizer implements EmbeddedServletContainerCustomizer {
+
+		@Override
+		public void customize(ConfigurableEmbeddedServletContainer factory) {
+            factory.addErrorPages(new ErrorPage(HttpStatus.BAD_REQUEST, "/400"));
+		}
+
+	}
+----
+
+You can also use regular Spring MVC features like http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-exception-handlers[`@ExceptionHandler`
+methods] and http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#mvc-ann-controller-advice[`@ControllerAdvice`].
+
+
 
 [[boot-features-embedded-container]]
 === Embedded servlet container support