[jboss-jira] [JBoss JIRA] (AS7-3227) When a Stateless Session Bean is used as a REST-Resource, calling getUserPrincipal() on an injected SecurityContext sometimes returns null

Philipp Berger (Commented) (JIRA) jira-events at lists.jboss.org
Tue Jan 10 03:59:10 EST 2012 

    [ https://issues.jboss.org/browse/AS7-3227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654813#comment-12654813 ] 

Philipp Berger commented on AS7-3227:
-------------------------------------

Absolutely. I have changed the sample project to throw an IllegalArgumentException when securityContext.getUserPrincipal()returns null:

{code}
		Principal userPrincipal = securityContext.getUserPrincipal();
		if (userPrincipal == null) {
			throw new IllegalArgumentException("userPrincipal is null");
		}
		return "Hello " + userPrincipal.getName()+"!";
{code}

Here is the Stack Trace I got:

{code}
09:49:06,453 ERROR [org.jboss.ejb3.invocation] (http--127.0.0.1-8080-1) JBAS014134: EJB Invocation failed on component UserPrincipalRESTServiceImpl for method public abstract java.lang.String ch.dvbern.samples.rest.UserPrincipalRESTService.helloUser(): javax.ejb.EJBException: java.lang.IllegalArgumentException: userPrincipal is null
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:166) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:230) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:304) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:190) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:57) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at ch.dvbern.samples.rest.UserPrincipalRESTService$$$view2.helloUser(Unknown Source) [classes:]
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:111) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:105) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at ch.dvbern.samples.rest.UserPrincipalRESTService$-277902241$Proxy$_$$_Weld$Proxy$.helloUser(UserPrincipalRESTService$-277902241$Proxy$_$$_Weld$Proxy$.java) [weld-core-1.1.4.Final.jar:]
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:154) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.0.GA.jar:]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.7.Final.jar:]
	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489) [jbossweb-7.0.7.Final.jar:]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:151) [jboss-as-web-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [jbossweb-7.0.7.Final.jar:]
	at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:897) [jbossweb-7.0.7.Final.jar:]
	at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:626) [jbossweb-7.0.7.Final.jar:]
	at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:2033) [jbossweb-7.0.7.Final.jar:]
	at java.lang.Thread.run(Thread.java:662) [:1.6.0_26]
Caused by: java.lang.IllegalArgumentException: userPrincipal is null
	at ch.dvbern.samples.rest.UserPrincipalRESTServiceImpl.helloUser(UserPrincipalRESTServiceImpl.java:19) [classes:]
	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:122) [jboss-as-weld-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:130) [jboss-as-weld-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:37) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:37) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:45)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:228) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	... 60 more

09:49:06,467 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/app].[ch.dvbern.samples.rest.JaxRsActivator]] (http--127.0.0.1-8080-1) Servlet.service() for servlet ch.dvbern.samples.rest.JaxRsActivator threw exception: org.jboss.resteasy.spi.UnhandledException: java.lang.IllegalArgumentException: userPrincipal is null
	at org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:340) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:540) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.0.GA.jar:]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.7.Final.jar:]
	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489) [jbossweb-7.0.7.Final.jar:]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:151) [jboss-as-web-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.7.Final.jar:]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [jbossweb-7.0.7.Final.jar:]
	at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:897) [jbossweb-7.0.7.Final.jar:]
	at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:626) [jbossweb-7.0.7.Final.jar:]
	at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:2033) [jbossweb-7.0.7.Final.jar:]
	at java.lang.Thread.run(Thread.java:662) [:1.6.0_26]
Caused by: java.lang.IllegalArgumentException: userPrincipal is null
	at ch.dvbern.samples.rest.UserPrincipalRESTServiceImpl.helloUser(UserPrincipalRESTServiceImpl.java:19) [classes:]
	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:122) [jboss-as-weld-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:130) [jboss-as-weld-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:37) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:37) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:45)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:228) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:304) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:190) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:57) [jboss-as-ejb3-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee-7.1.0.CR1b.jar:7.1.0.CR1b]
	at ch.dvbern.samples.rest.UserPrincipalRESTService$$$view2.helloUser(Unknown Source) [classes:]
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.weld.util.reflection.SecureReflections$13.work(SecureReflections.java:264) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.run(SecureReflectionAccess.java:52) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflectionAccess.runAsInvocation(SecureReflectionAccess.java:137) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.util.reflection.SecureReflections.invoke(SecureReflections.java:260) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:111) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:105) [weld-core-1.1.4.Final.jar:2011-11-22 20:01]
	at ch.dvbern.samples.rest.UserPrincipalRESTService$-277902241$Proxy$_$$_Weld$Proxy$.helloUser(UserPrincipalRESTService$-277902241$Proxy$_$$_Weld$Proxy$.java) [weld-core-1.1.4.Final.jar:]
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) [:1.6.0_26]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_26]
	at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_26]
	at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:154) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) [resteasy-jaxrs-2.3.0.GA.jar:]
	at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525) [resteasy-jaxrs-2.3.0.GA.jar:]
	... 23 more
{code}

It took around 106000 invocations to trigger the exceptions:
{code}
[...]
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106531
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106532
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106533
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106534
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106535
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106536
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106537
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106538
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106539
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106540
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106541
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106542
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106543
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106544
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106545
Tue Jan 10 09:49:06 CET 2012 successfull calls: 106546
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 185.465 sec <<< FAILURE!

Results :

Tests in error: 
  doTest(UserPrincipalRESTServiceIT): Error status 500 Internal Server Error returned

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0
{code}





                
> When a Stateless Session Bean is used as a REST-Resource, calling getUserPrincipal() on an injected SecurityContext sometimes returns null
> ------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AS7-3227
>                 URL: https://issues.jboss.org/browse/AS7-3227
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: EJB, REST
>    Affects Versions: 7.0.2.Final, 7.1.0.CR1b
>         Environment: Ubuntu Linux 11.04 64-bit, jdks 1.7.0_02 and 1.6.0_26
>            Reporter: Philipp Berger
>            Assignee: jaikiran pai
>
> Considered the following stateless session bean which is propagated as a REST-Webservice:
> {code:title=UserPrincipalRESTService.java|borderStyle=solid}
> @Path("/test")
> public interface UserPrincipalRESTService {
> 	@GET
> 	@Produces(MediaType.TEXT_PLAIN)
> 	String helloUser();
> }
> {code} 
> {code:title=UserPrincipalRESTServiceImpl.java|borderStyle=solid}
> @Stateless
> @Local
> public class UserPrincipalRESTServiceImpl implements UserPrincipalRESTService {
> 	@Context
> 	private SecurityContext securityContext;
>     public String helloUser() {
> 		final String userName = securityContext.getUserPrincipal().getName();
> 		return "Hello " + userName+"!";
> 	}
> }
> {code} 
> After a certain (sometimes very large) amount of GET Requests on the Resource, the injected SecurityContext's user principal suddenly is null and a NPE is thrown. Once this happened, every second call to the resource will throw a NPE until the application server is restarted.  

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