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Mark Struberg commented on DELTASPIKE-1360: ------------------------------------------- ping [~rmannibucau] , did you find anything? > NPE at resolveEntityManagerBeans during heavy load > -------------------------------------------------- > > Key: DELTASPIKE-1360 > URL: https://issues.apache.org/jira/browse/DELTASPIKE-1360 > Project: DeltaSpike > Issue Type: Bug > Affects Versions: 1.8.1 > Reporter: Abhishek Rao > Assignee: Romain Manni-Bucau > Priority: Major > > We're running a web-app which is experiencing inconsistent 500 Internal > Server Errors from TomEE during medium-high concurrency. The stack trace > follows: > {code:java} > EjbTransactionUtil.handleSystemException > EjbTransactionUtil.handleSystemException: null > java.lang.NullPointerException > at > org.apache.deltaspike.jpa.spi.entitymanager.QualifierBackedEntityManagerResolver.resolveEntityManagerBeans(QualifierBackedEntityManagerResolver.java:64) > at > org.apache.deltaspike.jpa.spi.entitymanager.QualifierBackedEntityManagerResolver.resolveEntityManager(QualifierBackedEntityManagerResolver.java:46) > at > org.apache.deltaspike.jpa.impl.transaction.ResourceLocalTransactionStrategy.resolveEntityManagerForQualifier(ResourceLocalTransactionStrategy.java:381) > at > org.apache.deltaspike.jpa.impl.transaction.ResourceLocalTransactionStrategy.execute(ResourceLocalTransactionStrategy.java:113) > at > org.apache.deltaspike.jpa.impl.transaction.TransactionalInterceptor.executeInTransaction(TransactionalInterceptor.java:57) > at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.webbeans.component.InterceptorBean.intercept(InterceptorBean.java:136) > at > org.apache.webbeans.intercept.InterceptorInvocationContext.proceed(InterceptorInvocationContext.java:63) > at > org.apache.webbeans.intercept.DefaultInterceptorHandler.invoke(DefaultInterceptorHandler.java:139) > at **REMOVED_CONFIDENTIAL** > at **REMOVED_CONFIDENTIAL** > at **REMOVED_CONFIDENTIAL** > at sun.reflect.GeneratedMethodAccessor98.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) > at > org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) > at > org.apache.openejb.monitoring.StatsInterceptor.record(StatsInterceptor.java:181) > at > org.apache.openejb.monitoring.StatsInterceptor.invoke(StatsInterceptor.java:100) > at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:205) > at > org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:186) > at > org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:85) > at > org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:252) > at > org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:212) > at org.apache.openejb.util.proxy.ProxyEJB$Handler.invoke(ProxyEJB.java:74) > at **REMOVED_CONFIDENTIAL** > at sun.reflect.GeneratedMethodAccessor97.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.performInvocation(OpenEJBEJBInvoker.java:95) > at > org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96) > at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:191) > at > org.apache.openejb.server.cxf.rs.OpenEJBEJBInvoker.invoke(OpenEJBEJBInvoker.java:68) > at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:101) > at > org.apache.openejb.server.cxf.rs.AutoJAXRSInvoker.invoke(AutoJAXRSInvoker.java:64) > at > org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59) > at > org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96) > at > org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) > at > org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) > at > org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267) > at > org.apache.openejb.server.cxf.rs.CxfRsHttpListener.doInvoke(CxfRsHttpListener.java:253) > at > org.apache.tomee.webservices.CXFJAXRSFilter.doFilter(CXFJAXRSFilter.java:94) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) > at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) > at > org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97) > at > org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) > at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) > at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) > at > org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) > at > org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1457) > at > org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > at java.lang.Thread.run(Thread.java:748) > {code} > The error has been eating into our heads and occurs at undetermined intervals > in a single app instance that's doing 400 transactions per second. Is this > perhaps a thread safety issue? -- This message was sent by Atlassian Jira (v8.3.4#803005)