java.util.ConcurrentModificationException

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Stack trace

  • java.util.ConcurrentModificationException: null at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)[na:1.8.0_45] at java.util.HashMap$ValueIterator.next(HashMap.java:1458)[na:1.8.0_45] at org.springframework.data.rest.core.mapping.MappingResourceMetadata$PropertyMappings.getMappingFor(MappingResourceMetadata.java:186)[spring-data-rest-core-2.4.1.RELEASE.jar:na] at org.springframework.data.rest.core.mapping.MappingResourceMetadata.getProperty(MappingResourceMetadata.java:118)[spring-data-rest-core-2.4.1.RELEASE.jar:na] at org.springframework.data.rest.core.mapping.RepositoryAwareResourceMetadata.getProperty(RepositoryAwareResourceMetadata.java:93)[spring-data-rest-core-2.4.1.RELEASE.jar:na] at org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.doWithReferencedProperty(RepositoryPropertyReferenceController.java:427)[spring-data-rest-webmvc-2.4.1.RELEASE.jar:na] at org.springframework.data.rest.webmvc.RepositoryPropertyReferenceController.followPropertyReference(RepositoryPropertyReferenceController.java:149)[spring-data-rest-webmvc-2.4.1.RELEASE.jar:na] at sun.reflect.GeneratedMethodAccessor427.invoke(Unknown Source)[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[na:1.8.0_45] at java.lang.reflect.Method.invoke(Method.java:497)[na:1.8.0_45] at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1432)[springloaded-1.2.4.RELEASE.jar:1.2.4.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:222)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:814)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:737)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)[spring-webmvc-4.2.3.RELEASE.jar:4.2.3.RELEASE] at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)[tomcat-embed-websocket-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextHeaderFilter.doFilterInternal(EndpointWebMvcAutoConfiguration.java:242)[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111)[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:207)[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-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:103)[spring-boot-actuator-1.3.0.RELEASE.jar:1.3.0.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)[spring-web-4.2.3.RELEASE.jar:4.2.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:217)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:676)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)[tomcat-embed-core-8.0.28.jar:8.0.28] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)[tomcat-embed-core-8.0.28.jar:8.0.28] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[na:1.8.0_45] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[na:1.8.0_45] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)[tomcat-embed-core-8.0.28.jar:8.0.28] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_45]

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