java.lang.NullPointerException
   at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator$3.run(EjbFacadeWizardIterator.java:431)
   at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator$3.run(EjbFacadeWizardIterator.java:412)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:649)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:639)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:493)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:598)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:203)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:203)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:443)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:414)
   at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:660)
   at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator.generate(EjbFacadeWizardIterator.java:495)
   at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator.generate(EjbFacadeWizardIterator.java:232)
   at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.jpa.dao.EjbFacadeWizardIterator.generateSessionBeans(EjbFacadeWizardIterator.java:858)
   at org.netbeans.modules.web.jsf.wizards.PersistenceClientIterator$1$1.run(PersistenceClientIterator.java:217)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:641)
   at org.netbeans.modules.web.jsf.wizards.PersistenceClientIterator$1.run(PersistenceClientIterator.java:207)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)