java.lang.NullPointerException
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator$EntityClassGenerator.generateRelationship(JavaPersistenceGenerator.java:1286)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator$ClassGenerator.run(JavaPersistenceGenerator.java:778)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator$1.run(JavaPersistenceGenerator.java:502)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator$1.run(JavaPersistenceGenerator.java:496)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:665)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:655)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:482)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:643)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:154)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:138)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:211)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:208)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:168)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:356)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:71)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:208)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:432)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:403)
   at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:676)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator.runImpl(JavaPersistenceGenerator.java:496)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator$Generator.run(JavaPersistenceGenerator.java:376)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator.generateBeans(JavaPersistenceGenerator.java:210)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.JavaPersistenceGenerator.generateBeans(JavaPersistenceGenerator.java:178)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:381)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:85)
   at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:290)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)