在Spring启动应用程序中重定向到自定义错误页面时出错

Question

在Spring启动应用程序中重定向到自定义错误页面时出错

我正在使用spring boot并且我创建了以下自定义错误控制器来处理错误:

@Controller
public class AppErrorController implements ErrorController {

    private static final String PATH = "/error";

    @RequestMapping(value = "/pageNotFound", method = { RequestMethod.GET, RequestMethod.POST })
    public String pageNotFound() {
        return "pageNotFound";
    }

    @RequestMapping(value = "/accessDenied", method = { RequestMethod.GET, RequestMethod.POST })
    public String accessDenied() {
        return "accessDenied";
    }

    @RequestMapping(value = PATH)
    public String error() {
        return "error";
    }

    @Override
    public String getErrorPath() {
        return PATH;
    }
}

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当我在应用程序中收到错误时,它应该重定向到自定义错误页面.相反,我在日志中收到以下错误,甚至错误页面都没有显示:

2016-03-09 09:43:21.224 DEBUG 3126 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Looking up handler method for path /error
2016-03-09 09:43:21.224 DEBUG 3126 --- [nio-8080-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Returning handler method [public java.lang.String com.sts.app.core.common.web.AppErrorController.error()]
2016-03-09 09:43:21.224 DEBUG 3126 --- [nio-8080-exec-1] o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'appErrorController'
2016-03-09 09:43:21.225 DEBUG 3126 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Last-Modified value for [/gen/error] is: -1
2016-03-09 09:43:21.225 DEBUG 3126 --- [nio-8080-exec-1] o.j.s.OpenEntityManagerInViewInterceptor : Opening JPA EntityManager in OpenEntityManagerInViewInterceptor
2016-03-09 09:43:21.227 DEBUG 3126 --- [nio-8080-exec-1] o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'error'
2016-03-09 09:43:21.227 DEBUG 3126 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Rendering view [org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$SpelView@5efe80ee] in DispatcherServlet with name 'dispatcherServlet'
2016-03-09 09:43:21.235 DEBUG 3126 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Error rendering view [org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$SpelView@5efe80ee] in DispatcherServlet with name 'dispatcherServlet'

org.springframework.expression.spel.SpelEvaluationException: EL1008E:(pos 0): Property or field 'timestamp' cannot be found on object of type 'java.util.HashMap' - maybe not public?
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:224) ~[spring-expression-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:94) ~[spring-expression-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:81) ~[spring-expression-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:120) ~[spring-expression-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:242) ~[spring-expression-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$ExpressionResolver.resolvePlaceholder(ErrorMvcAutoConfiguration.java:245) ~[spring-boot-autoconfigure-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.boot.autoconfigure.web.NonRecursivePropertyPlaceholderHelper$NonRecursivePlaceholderResolver.resolvePlaceholder(NonRecursivePropertyPlaceholderHelper.java:56) ~[spring-boot-autoconfigure-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:147) ~[spring-core-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.boot.autoconfigure.web.NonRecursivePropertyPlaceholderHelper.parseStringValue(NonRecursivePropertyPlaceholderHelper.java:38) ~[spring-boot-autoconfigure-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126) ~[spring-core-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration$SpelView.render(ErrorMvcAutoConfiguration.java:194) ~[spring-boot-autoconfigure-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1243) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1027) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:969) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:860) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) [servlet-api.jar:na]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:845) [spring-webmvc-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) [servlet-api.jar:na]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:115) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:69) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:133) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176) [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE]
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:113) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:466) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:391) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318) [catalina.jar:8.0.21]
    at org.springframework.boot.context.web.ErrorPageFilter.forwardToErrorPage(ErrorPageFilter.java:188) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter.handleException(ErrorPageFilter.java:171) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:135) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter.access$000(ErrorPageFilter.java:61) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:95) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE]
    at org.springframework.boot.context.web.ErrorPageFilter.doFilter(ErrorPageFilter.java:113) [spring-boot-1.3.2.RELEASE.jar:1.3.2.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [catalina.jar:8.0.21]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [catalina.jar:8.0.21]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [catalina.jar:8.0.21]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [catalina.jar:8.0.21]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) [catalina.jar:8.0.21]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [catalina.jar:8.0.21]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [catalina.jar:8.0.21]
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [catalina.jar:8.0.21]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [catalina.jar:8.0.21]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) [catalina.jar:8.0.21]
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) [tomcat-coyote.jar:8.0.21]
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) [tomcat-coyote.jar:8.0.21]
    at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) [tomcat-coyote.jar:8.0.21]
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1517) [tomcat-coyote.jar:8.0.21]
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1474) [tomcat-coyote.jar:8.0.21]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_45]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:8.0.21]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]

2016-03-09 09:43:21.236 DEBUG 3126 --- [nio-8080-exec-1] o.j.s.OpenEntityManagerInViewInterceptor : Closing JPA EntityManager in OpenEntityManagerInViewInterceptor
2016-03-09 09:43:21.237 DEBUG 3126 --- [nio-8080-exec-1] o.s.orm.jpa.EntityManagerFactoryUtils    : Closing JPA EntityManager
2016-03-09 09:43:21.240 DEBUG 3126 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Could not complete request

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以下是我的build.gradle:

buildscript {
    repositories {
        maven { url "http://repo1.maven.org/maven2" }
        maven { url 'http://repo.spring.io/plugins-release' }
    }
    dependencies {
        classpath group: 'org.springframework.boot', name: 'spring-boot-gradle-plugin', version: spring_boot_version
        classpath group: 'org.springframework.build.gradle', name: 'propdeps-plugin', version: propdeps_plugin_version
    }
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'eclipse-wtp'
apply plugin: 'idea'
apply plugin: 'spring-boot'
apply plugin: 'war'
apply plugin: 'propdeps'
apply from: './gradle/integration_test.gradle'
apply from: './gradle/test_setup.gradle'
apply from: './gradle/code_analysis/code_analysis.gradle'

war {
    baseName = 'gen'
    version = '0.0.1-SNAPSHOT'
}

sourceCompatibility = 1.7
targetCompatibility = 1.7

repositories {
    jcenter()
    maven  {
        url "http://repo1.maven.org/maven2"
    }
}

configurations {
    providedRuntime
}

dependencies {

    compile group: 'org.springframework.boot', name: 'spring-boot-starter-aop'
    compile group: 'org.springframework.boot', name: 'spring-boot-starter-data-jpa'
    compile(group: 'org.springframework.boot', name: 'spring-boot-starter-web') { exclude module: 'spring-boot-starter-tomcat' }
    compile group: 'org.springframework.boot', name: 'spring-boot-starter-security'
    compile group: 'org.springframework.security', name: 'spring-security-taglibs', version: spring_security_version
    compile group: 'org.springframework.security', name: 'spring-security-test', version: spring_security_version
    compile group: 'org.springframework.hateoas', name: 'spring-hateoas', version : spring_hateoas_version

    compile group: 'org.jasypt', name: 'jasypt', version: jasypt_version
    compile group: 'org.jasypt', name: 'jasypt-spring31', version: jasypt_spring31_version
    compile group: 'org.jasypt', name: 'jasypt-springsecurity3', version: jasypt_springsecurity3_version

    compile group: 'org.apache.tiles', name: 'tiles-core', version: tiles_version
    compile group: 'org.apache.tiles', name: 'tiles-api', version: tiles_version
    compile group: 'org.apache.tiles', name: 'tiles-jsp', version: tiles_version

    compile group: 'javax.servlet', name: 'jstl', version: jstl_version

    compile group : 'org.codehaus.janino', name : 'janino', version : janino_version
    compile group: 'javax.inject', name: 'javax.inject', version: javax_inject_version
    /*compile group: 'org.flywaydb', name: 'flyway-core', version: flyway_version*/

    /*compile group: 'org.hibernate', name: 'hibernate-envers', version: hibernate_envers_version*/

    compile group: 'org.apache.commons', name : 'commons-lang3', version: commons_lang3_version
    compile group: 'commons-fileupload', name : 'commons-fileupload', version: commons_fileupload_version
    compile group: 'org.apache.poi', name : 'poi', version: apache_poi_version

    providedCompile group: 'javax.servlet', name: 'javax.servlet-api', version: servlet_api_version

    runtime('mysql:mysql-connector-java')

    optional group: 'org.springframework.boot', name:'spring-boot-configuration-processor', version: spring_boot_version

    /****************************************************************************/
    /****************** Testing dependencies start below ************************/
    /****************************************************************************/

    testCompile group: 'org.springframework.boot', name:'spring-boot-starter-test'
    testCompile group: 'org.assertj', name: 'assertj-core', version: assertj_version
    testCompile group: 'com.natpryce', name: 'make-it-easy', version: make_it_easy_version
    testCompile group: 'com.ninja-squad', name: 'DbSetup', version: db_setup_version

}

compileJava.dependsOn(processResources)

eclipse {
    classpath {
         containers.remove('org.eclipse.jdt.launching.JRE_CONTAINER')
         containers 'org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7'
    }
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.10'
}

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以下是我的error.jsp:

<%@ include file="common/taglibs.jsp"%>

System has encountered an error. Please contact your system administrator.
How to solve this issue?

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Answer 1

Ali*_*ani 31

传统部署

如果您没有使用嵌入式servlet容器,只需将以下内容添加到您的application.properties:

server.error.whitelabel.enabled = false

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嵌入式Tomcat场景

添加tomcat-embed-jasper作为您的依赖项:

<dependency>
    <groupId>org.apache.tomcat.embed</groupId>
    <artifactId>tomcat-embed-jasper</artifactId>
</dependency>

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并将您的控制器命名为error:

@Controller("error")
public class AppErrorController implements ErrorController { ... }

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或者您可以禁用白色标签,而不是重命名bean:

server.error.whitelabel.enabled = false

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名称为何重要？

经过一番ErrorMvcAutoConfiguration自动配置挖掘后,我遇到了以下配置:

@Configuration
@ConditionalOnProperty(prefix = "server.error.whitelabel", name = "enabled", matchIfMissing = true)
@Conditional(ErrorTemplateMissingCondition.class)
protected static class WhitelabelErrorViewConfiguration {

    private final SpelView defaultErrorView = new SpelView(
            "<html><body><h1>Whitelabel Error Page</h1>"
                    + "<p>This application has no explicit mapping for /error, so you are seeing this as a fallback.</p>"
                    + "<div id='created'>${timestamp}</div>"
                    + "<div>There was an unexpected error (type=${error}, status=${status}).</div>"
                    + "<div>${message}</div></body></html>");

    @Bean(name = "error")
    @ConditionalOnMissingBean(name = "error")
    public View defaultErrorView() {
        return this.defaultErrorView;
    }

    // rest of the configuration
}

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该时间戳问题与defaultErrorView类型有关SpelView.所以如果你注册另一个名为的bean error:

@ConditionalOnMissingBean(name = "error")
public View defaultErrorView() { ... }

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或禁用白标:

@ConditionalOnProperty(prefix = "server.error.whitelabel", name = "enabled", matchIfMissing = true)

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此视图不会被注册,您将避免这种奇怪的异常.

Jasper依赖怎么样？

有一个JspTemplateAvailabilityProvider提供JSP视图模板的可用性信息.这个类有一个isTemplateAvailable看起来像这样的方法:

public boolean isTemplateAvailable(String view, Environment environment,
        ClassLoader classLoader, ResourceLoader resourceLoader) {
    if (ClassUtils.isPresent("org.apache.jasper.compiler.JspConfig", classLoader)) {
        String prefix = getProperty(environment, "spring.mvc.view.prefix",
                "spring.view.prefix", WebMvcAutoConfiguration.DEFAULT_PREFIX);
        String suffix = getProperty(environment, "spring.mvc.view.suffix",
                "spring.view.suffix", WebMvcAutoConfiguration.DEFAULT_SUFFIX);
        return resourceLoader.getResource(prefix + view + suffix).exists();
    }
    return false;
}

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因此,如果org.apache.jasper.compiler.JspConfig类路径中没有它,它将不会呈现jsp视图,所以我们为它添加了所需的依赖项,即tomcat-embed-jasper.

也许有一个更好,更少hacky的方式解决这个问题,但这是我提出的解决方案,它就是它!

所以他应该禁用whitelabel,因为提供了`JspConfig` (2认同)
只是禁用whitelabel工作.谢谢.对于无效网址以类似方式添加404页面的任何想法.在我的情况下,它只是一直播放error.jsp.我已经为它添加了单独的问题.http://stackoverflow.com/questions/35957040/how-to-show-custom-404-page-when-user-enters-invalid-url-in-spring-boot-applicat (2认同)

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