Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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12.4
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None
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Windows 10, Java 16.0.1
Description
Hello,
Since updating to version 12.4, this error has been displayed several times.
java.lang.NullPointerException: Cannot invoke "com.sun.source.util.TreePath.getLeaf()" because "path" is null at org.netbeans.lib.nbjavac.services.NBJavacTrees.getElement(NBJavacTrees.java:61) at org.netbeans.lib.nbjavac.services.NBJavacTrees.getElement(NBJavacTrees.java:35) at org.netbeans.modules.refactoring.java.ui.MoveClassUI$RefactoringUIFactory.create(MoveClassUI.java:284) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$1.createRefactoringUI(ContextAnalyzer.java:94) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:355) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:280) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:502) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:130) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:114) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:181) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:178) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335) at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:178) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:81) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:452) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:423) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:362) at org.netbeans.modules.refactoring.java.ui.UIUtilities.lambda$runWhenScanFinished$0(UIUtilities.java:1194) at org.netbeans.api.java.source.ui.ScanDialog.runWhenScanFinished(ScanDialog.java:133) at org.netbeans.modules.refactoring.java.ui.UIUtilities.runWhenScanFinished(UIUtilities.java:1189) at org.netbeans.modules.refactoring.java.ui.RefactoringActionsProvider.doMove(RefactoringActionsProvider.java:416) at org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory.doMove(ActionsImplementationFactory.java:131) at org.netbeans.modules.refactoring.spi.impl.MoveAction.performAction(MoveAction.java:51) at org.netbeans.modules.refactoring.spi.impl.RefactoringGlobalAction$ContextAction.actionPerformed(RefactoringGlobalAction.java:172) at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:1151) at java.desktop/javax.swing.JComponent.processKeyBindings(JComponent.java:2962) at java.desktop/javax.swing.JComponent.processKeyEvent(JComponent.java:2862) at java.desktop/java.awt.Component.processEvent(Component.java:6394) at java.desktop/java.awt.Container.processEvent(Container.java:2264) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4993) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2322) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825) at java.desktop/java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1950) at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:875) at java.desktop/java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1144) at java.desktop/java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:1014) at java.desktop/java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:840) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4874) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2322) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743) at java.base/java.security.AccessController.doPrivileged(AccessController.java:391) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)[catch] at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
However, I'm not sure when exactly this happens, but probably after the background scanning of the project.
Please help
Thank you