java.lang.IllegalStateException: Cannot call getCompilationUnit() if current phase < JavaSource.Phase.PARSED. You must call toPhase(Phase.PARSED) first. at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.getCompilationUnit(CompilationInfoImpl.java:222) at org.netbeans.api.java.source.CompilationInfo.getCompilationUnit(CompilationInfo.java:186) at org.netbeans.api.java.source.ElementHandle.resolve(ElementHandle.java:141) at org.netbeans.modules.refactoring.java.plugins.ExtractSuperclassRefactoringPlugin.fastCheckParameters(ExtractSuperclassRefactoringPlugin.java:173) at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$WorkingTask.run(JavaRefactoringPlugin.java:424) at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$WorkingTask.run(JavaRefactoringPlugin.java:394) 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$2.call(TaskProcessor.java:201) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:90) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:473) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:444) at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$WorkingTask.run(JavaRefactoringPlugin.java:407) at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin$WorkingTask.access$100(JavaRefactoringPlugin.java:394) at org.netbeans.modules.refactoring.java.spi.JavaRefactoringPlugin.fastCheckParameters(JavaRefactoringPlugin.java:151) at org.netbeans.modules.refactoring.java.plugins.ExtractSuperclassRefactoringPlugin.fastCheckParameters(ExtractSuperclassRefactoringPlugin.java:166) at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsFastCheckParams(AbstractRefactoring.java:535) at org.netbeans.modules.refactoring.api.AbstractRefactoring.fastCheckParameters(AbstractRefactoring.java:288) at org.netbeans.modules.refactoring.java.ui.ExtractSuperclassRefactoringUI.checkParameters(ExtractSuperclassRefactoringUI.java:108) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel.recheck(ParametersPanel.java:1000) 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:80) 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.pumpEventsForFilter(EventDispatchThread.java:109) at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235) at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233) at java.awt.Dialog.show(Dialog.java:1084) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1085) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1135) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1107) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:130) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEventAccess(NbMutexEventProvider.java:138) at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:98) at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:94) at org.openide.util.Mutex.readAccess(Mutex.java:218) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1092) at java.awt.Component.show(Component.java:1671) at java.awt.Component.setVisible(Component.java:1623) at java.awt.Window.setVisible(Window.java:1014) at java.awt.Dialog.setVisible(Dialog.java:1005) at org.netbeans.modules.refactoring.spi.impl.ParametersPanel.showDialog(ParametersPanel.java:699) at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.refresh(RefactoringPanel.java:685) at org.netbeans.modules.refactoring.spi.impl.RefactoringPanel.(RefactoringPanel.java:169) at org.netbeans.modules.refactoring.spi.ui.UI.openRefactoringUI(UI.java:86) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$4.show(ContextAnalyzer.java:671) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:392) at org.netbeans.modules.refactoring.java.ui.UIUtilities.lambda$runWhenScanFinished$0(UIUtilities.java:1211) at org.netbeans.api.java.source.ui.ScanDialog.runWhenScanFinished(ScanDialog.java:145) at org.netbeans.modules.refactoring.java.ui.UIUtilities.runWhenScanFinished(UIUtilities.java:1206) at org.netbeans.modules.refactoring.java.ui.JavaRefactoringActionsProvider.doExtractSuperclass(JavaRefactoringActionsProvider.java:75) at org.netbeans.modules.refactoring.java.ui.JavaActionsImplementationFactory.doExtractSuperclass(JavaActionsImplementationFactory.java:134) at org.netbeans.modules.refactoring.java.ui.ExtractSuperclassAction.performAction(ExtractSuperclassAction.java:72) at org.netbeans.modules.refactoring.java.ui.JavaRefactoringGlobalAction$ContextAction.actionPerformed(JavaRefactoringGlobalAction.java:196) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.AbstractButton.doClick(AbstractButton.java:376) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:842) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:886) at java.awt.Component.processMouseEvent(Component.java:6533) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6298) at java.awt.Container.processEvent(Container.java:2237) at java.awt.Component.dispatchEventImpl(Component.java:4889) at java.awt.Container.dispatchEventImpl(Container.java:2295) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4889) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4526) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4467) at java.awt.Container.dispatchEventImpl(Container.java:2281) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) 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:80) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) 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)