Re: [wildfly-dev] ConcurrentAccessTimeoutException using producer in stateful bean

Thanks. I think it's a bug. I created https://issues.jboss.org/ browse/WFLY-6960. Tom ----- Original Message ----- From: "arjan tijms" <arjan.tijms(a)gmail.com&gt; To: "Tomas Remes" <tremes(a)redhat.com&gt; Cc: "WildFly Dev" <wildfly-dev(a)lists.jboss.org&gt; Sent: Tuesday, August 16, 2016 1:47:56 PM Subject: Re: [wildfly-dev] ConcurrentAccessTimeoutException using producer in stateful bean Hi, Sure, I've created one using the request scope now (to rule out any issues with JSF's view scope). package test; import javax.ejb.Stateful; import javax.enterprise.context.RequestScoped; import javax.enterprise.inject.Produces; @Stateful @RequestScoped public class Bean1 { @Produces public String produceString() { return "a string"; } public void foo() { } } package test; import javax.ejb.Stateful; import javax.enterprise.context.RequestScoped; import javax.inject.Inject; @Stateful @RequestScoped public class Bean2 { @Inject private String string; public void foo() { } } package test; import javax.ejb.Stateful; import javax.enterprise.context.RequestScoped; import javax.inject.Inject; @Stateful @RequestScoped public class Bean3 { @Inject private Bean1 bean1; @Inject private Bean2 bean2; public void test() { bean1.foo(); bean2.foo(); } } package test; import java.io.IOException; import javax.inject.Inject; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet(urlPatterns = "/test") public class TestServlet extends HttpServlet { private static final long serialVersionUID = 1L; @Inject private Bean3 bean3; @Override public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.getWriter().write("testing"); bean3.test(); } } Relevant part of the stack trace: Caused by: javax.ejb.ConcurrentAccessTimeoutException: WFLYEJB0228: EJB 3.1 FR 4.3.14.1 concurrent access timeout on Bean1 - could not obtain lock within 5000 MILLISECONDS at org.jboss.as.ejb3.component.stateful.StatefulSessionSynchronization Interceptor.processInvocation(StatefulSessionSynchronization Interceptor.java:86) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation. proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivat ionInterceptor.aroundInvoke(AbstractEJBRequestScopeActivat ionInterceptor.java:64) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInter ceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation( ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation( InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation( ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor .processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.stateful.StatefulComponentInstanceInter ceptor.processInvocation(StatefulComponentInstanceInterceptor.java:65) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx( CMTTxInterceptor.java:275) at org.jboss.as.ejb3.tx.CMTTxInterceptor.required( CMTTxInterceptor.java:327) at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation( CMTTxInterceptor.java:239) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterc eptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor. processInvocation(WaitTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation( SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1. processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor. processInvocation(LoggingInterceptor.java:66) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation( NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor. processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation( ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run( InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked( WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation( AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run( InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation( PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation( ChainedInterceptor.java:61) at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:195) at org.jboss.as.ee.component.ViewDescription$1.processInvocation( ViewDescription.java:185) at org.jboss.invocation.InterceptorContext.proceed( InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation( ChainedInterceptor.java:61) at org.jboss.as.ee.component.ProxyInvocationHandler.invoke( ProxyInvocationHandler.java:73) at test.Bean1$$$view1.produceString(Unknown Source) If needed I can later today put this in a Maven project as well, but the above should be enough to get you started I hope. Kind regards, Arjan Tijms On Tue, Aug 16, 2016 at 1:26 PM, Tomas Remes <tremes(a)redhat.com&gt; wrote: > > Hi Arjan, > > Can you please share some reproducer app? It would be helpful. > > Thanks > Tom > > ----- Original Message ----- > From: "arjan tijms" <arjan.tijms(a)gmail.com&gt; > To: "WildFly Dev" <wildfly-dev(a)lists.jboss.org&gt; > Sent: Tuesday, August 16, 2016 1:12:22 PM > Subject: [wildfly-dev] ConcurrentAccessTimeoutException using producer > in stateful bean > > Hi, > > I came across a situation where a ConcurrentAccessTimeoutException is > thrown on WildFly 10.0.0 and 10.1cr1 when an @Stateful @ViewScoped bean > contains a CDI producer. > > In short, there are 3 beans all @Stateful @ViewScoped. Beans 1 and 2 are > injected in bean 3. > > Bean 1 contains a CDI producer. > Bean 2 is injected with a type from said producer. > > The following causes a ConcurrentAccessTimeoutException to be thrown: > > bean3.somemethod: > tx start > access stateful bean 1 > access stateful bean 2 > (from statefull bean 2): access injected type that causes producer from > bean 1 to be called > tx end > > If the call to stateful bean 1 is omitted, the producer is called normally > when bean 2 accesses the injected type. > > If bean 2 is injected directly with bean 1, then bean 1 can be accessed > without any ConcurrentAccessTimeoutException being thrown. > > The code runs fine on WildFly 8.2. > > I'll do some further digging, but wonder if this problem rings any bells. > Could it be that CDI obtains a reference to the stateful bean in such a way > that the implicit EJB interceptor doesn't see it's still within the same > TX? But since there's no call to bean 1 in progress at that point, should > this even matter? > > Kind regards, > Arjan Tijms > > _______________________________________________ > wildfly-dev mailing list > wildfly-dev(a)lists.jboss.org > > > >