[jboss-user] [Installation, Configuration & DEPLOYMENT] - NullPointerException deploying JPA web application at jboss-

manuelmv do-not-reply at jboss.com
Tue Mar 10 11:56:11 EDT 2009 

I developped a web applicacion using JPA as persistence technology and spring-framework-3.0.0.M2 under jboss-5.0.0.CR1 and everything seems to work fine with no problem at all.

The problem comes when I try to deploy the war file to any of the later versions jboss-5.0.0.CR2, jboss-5.0.0.GA, jboss-5.0.1.GA.

I always get a NullPointerException caused at deployment time.

Here is the stack trace from version jboss-5.0.1.GA:

15:53:03,464 ERROR [TomcatDeployment] ENC setup failed
java.lang.NullPointerException
	at org.jboss.injection.PersistenceUnitHandler.getManagedEntityManagerFactory(PersistenceUnitHandler.java:149)
	at org.jboss.injection.PcEncInjector.inject(PcEncInjector.java:76)
	at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:496)
	at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:470)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4388)
	at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:312)
	at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:144)
	at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)
	at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
	at org.jboss.web.deployers.WebModule.start(WebModule.java:97)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
	at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
	at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
	at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
	at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
	at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)
	at $Proxy36.start(Unknown Source)
	at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42)
	at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37)
	at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)
	at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)
	at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)
	at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
	at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286)
	at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
	at org.jboss.system.ServiceController.doChange(ServiceController.java:688)
	at org.jboss.system.ServiceController.start(ServiceController.java:460)
	at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163)
	at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99)
	at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
	at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
	at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
	at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
	at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
	at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1598)
	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1062)
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
	at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
	at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)
	at org.jboss.system.server.profileservice.hotdeploy.HDScanner.scan(HDScanner.java:290)
	at org.jboss.system.server.profileservice.hotdeploy.HDScanner.run(HDScanner.java:221)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)



The persistence.xml file located at directory WEB-INF\classes\META-INF looks like this:

<?xml version="1.0" encoding="UTF-8"?>
  | <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
  |   <persistence-unit name="UNITNAME" transaction-type="RESOURCE_LOCAL">
  |     <provider>org.hibernate.ejb.HibernatePersistence</provider>
  |     <jta-data-source>java:comp/env/jdbc/MySqlDS</jta-data-source>
  |     <class>Class1</class>
  |     <class>Class2</class>
  |     ...
  |     <class>ClassN</class>
  |     <properties>
  |       <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
  |       <property name="hibernate.transaction.manager_lookup_class" value="org.hibernate.transaction.JBossTransactionManagerLookup"/>
  |     </properties>
  |   </persistence-unit>
  | </persistence>
I did not find anything in release notes referenced to the way of deployment of JPA web applications.

Has anyone else experienced this case?
Any suggestion? 

Many thanks.

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