java.lang.NullPointerException
   at org.netbeans.modules.j2ee.persistence.action.EntityManagerGenerator.generate(EntityManagerGenerator.java:171)
   at org.netbeans.modules.websvc.rest.wizard.fromdb.EjbFacadeGenerator.generate(EjbFacadeGenerator.java:512)
   at org.netbeans.modules.websvc.rest.wizard.Util.generateRESTFacades(Util.java:721)
   at org.netbeans.modules.websvc.rest.wizard.Util.generateRESTFacades(Util.java:695)
   at org.netbeans.modules.websvc.rest.wizard.fromdb.DatabaseResourceWizardIterator.generate(DatabaseResourceWizardIterator.java:365)
   at org.netbeans.modules.websvc.rest.wizard.fromdb.DatabaseResourceWizardIterator.access$000(DatabaseResourceWizardIterator.java:112)
   at org.netbeans.modules.websvc.rest.wizard.fromdb.DatabaseResourceWizardIterator$1.run(DatabaseResourceWizardIterator.java:182)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)