0
votes

When pushing a button in our J2EE application built with GlassFish 4.1, JSF 2 and JPA2 that calls a @ApplicationScoped bean in the EJB-layer a stack trace shows up Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null. The other calls seem fine, its in this specific case/button that the trace occurs.
If a call to entity manager is performed in the post construct, the stack trace doesn't occur.

@PostConstruct
public void init() {
    entityManager.getCriteriaBuilder();
}

Here is the full stack trace:

WARNING: #{createWorkOrderBean.initFieldsFromComplementingDataSearchResult}: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null javax.faces.FacesException: #{createWorkOrderBean.initFieldsFromComplementingDataSearchResult}: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118) at javax.faces.component.UICommand.broadcast(UICommand.java:315) at javax.faces.component.UIData.broadcast(UIData.java:1108) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:344) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) at org.glassfish.tyrus.servlet.TyrusServletFilter.doFilter(TyrusServletFilter.java:295) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:316) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:415) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:282) at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167) at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:201) at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:175) at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235) at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119) at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284) at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201) at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133) at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112) at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77) at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:561) at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545) at java.lang.Thread.run(Thread.java:748) Caused by: javax.faces.el.EvaluationException: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102) ... 41 more Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null at com.sun.enterprise.container.common.impl.EntityManagerWrapper.init(EntityManagerWrapper.java:138) at com.sun.enterprise.container.common.impl.EntityManagerWrapper.getDelegate(EntityManagerWrapper.java:171) at com.sun.enterprise.container.common.impl.EntityManagerWrapper.getCriteriaBuilder(EntityManagerWrapper.java:834) at se.evado.server.ao.customer.kalmarenergi.KalmarEnergiElnatServerBusinessLogic$TrimbleNisComplementer.copyComplementingDataToWorkOrder(KalmarEnergiElnatServerBusinessLogic.java:310) at se.evado.server.ao.web.bean.SearchComplementingDataBean.initWorkOrderFields(SearchComplementingDataBean.java:153) at se.evado.server.ao.web.bean.SearchComplementingDataBean$Proxy$$$_WeldClientProxy.initWorkOrderFields(Unknown Source) at se.evado.server.ao.web.bean.CreateWorkOrderBean.initFieldsFromComplementingDataSearchResult(CreateWorkOrderBean.java:337) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.sun.el.parser.AstValue.invoke(AstValue.java:289) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304) at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40) at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50) at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87) ... 42 more

Why does this happen and how can I get rid of it?

1

1 Answers

0
votes

You have to name your EntityManager. At first you have to place a persistance.xml in your META-INF with a name assigned to your persistance-unit.

<?xml version="1.0" encoding="UTF-8"?>
<persistence
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        version="2.1"
        xmlns="http://xmlns.jcp.org/xml/ns/persistence"
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
    <persistence-unit name="myUnit" transaction-type="JTA" />
</persistence>

Afterwards you have to inject the EntityManager like this.

@PersistenceContext(unitName = "myUnit")
EntityManager entityManager;

That should solve your problem.