java.lang.NullPointerException: The fieldType parameter cannot be null
   at org.openide.util.Parameters.notNull(Parameters.java:89)
   at org.netbeans.modules.j2ee.core.api.support.java.GenerationUtils.createField(GenerationUtils.java:453)
   at org.netbeans.modules.j2ee.jpa.verification.fixes.CreateId$2.run(CreateId.java:212)
   at org.netbeans.modules.j2ee.jpa.verification.fixes.CreateId$2.run(CreateId.java:168)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:668)
   at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:658)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:518)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   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.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:468)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:439)
   at org.netbeans.api.java.source.JavaSource.runModificationTask(JavaSource.java:679)
   at org.netbeans.modules.j2ee.jpa.verification.fixes.CreateId.createIDField(CreateId.java:260)
   at org.netbeans.modules.j2ee.jpa.verification.fixes.CreateId.implement(CreateId.java:117)
   at org.netbeans.modules.editor.hints.HintsUI$1.run(HintsUI.java:847)
   at org.openide.util.RequestProcessor$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)