java.lang.IllegalArgumentException: aType == null
   at org.netbeans.modules.j2ee.persistence.entitygenerator.EntityMember.setMemberType(EntityMember.java:253)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEntityMember.setPrimaryKey(DbSchemaEntityMember.java:127)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.generatePkField(DbSchemaEjbGenerator.java:485)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.buildCMPSet(DbSchemaEjbGenerator.java:591)
   at org.netbeans.modules.j2ee.persistence.entitygenerator.DbSchemaEjbGenerator.<init>(DbSchemaEjbGenerator.java:117)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPHelper.buildBeans(RelatedCMPHelper.java:368)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:360)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:83)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:267)
   at org.openide.util.RequestProcessor$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$Processor.run(RequestProcessor.java:2058)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.IllegalArgumentException: aType == null
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:420)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$2.run(RelatedCMPWizard.java:299)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)