java.lang.NullPointerException at org.netbeans.api.java.source.ElementHandle.resolve(ElementHandle.java:141) at org.netbeans.api.java.source.TreePathHandle$ElementDelegate.resolveElement(TreePathHandle.java:738) at org.netbeans.api.java.source.TreePathHandle.resolveElement(TreePathHandle.java:187) at org.netbeans.modules.j2ee.ejbrefactoring.EjbRefactoringPlugin$1.run(EjbRefactoringPlugin.java:105) at org.netbeans.modules.j2ee.ejbrefactoring.EjbRefactoringPlugin$1.run(EjbRefactoringPlugin.java:101) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:523) 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$2.call(TaskProcessor.java:201) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:473) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:444) at org.netbeans.modules.j2ee.ejbrefactoring.EjbRefactoringPlugin.checkParameters(EjbRefactoringPlugin.java:101) at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsCheckParams(AbstractRefactoring.java:510) at org.netbeans.modules.refactoring.api.AbstractRefactoring.checkParameters(AbstractRefactoring.java:269) at org.netbeans.modules.refactoring.java.ui.WhereUsedQueryUI.setParameters(WhereUsedQueryUI.java:154) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1060) 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)