java.lang.NullPointerException: This exception has no message.

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via Oracle Community by Aleksander Stopar, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at oracle.ideimpl.editor.RecentFilesLRU$RemovedFileTracker.removeListener(RecentFilesLRU.java:349)
at oracle.ideimpl.editor.RecentFilesLRU.removeOldest(RecentFilesLRU.java:137)
at oracle.ideimpl.editor.RecentFilesLRU.adjustSize(RecentFilesLRU.java:94)
at oracle.ideimpl.editor.RecentFilesLRU.raiseContextInLRUList(RecentFilesLRU.java:195)
at oracle.ideimpl.editor.EditorManagerImpl.raiseContextInLRUList(EditorManagerImpl.java:1854)
at oracle.ideimpl.editor.TabGroup.setCurrentTabGroupState(TabGroup.java:1449)
at oracle.ideimpl.editor.TabGroup.safeSetCurrentTabGroupState(TabGroup.java:1986)
at oracle.ideimpl.editor.TabGroup.whenTabSelectionChanges(TabGroup.java:526)
at oracle.ideimpl.editor.DocTabListener.valueChanged(DocTabListener.java:54)
at oracle.ide.controls.customtab.CustomTab.fireSelectionChange(CustomTab.java:304)
at oracle.ide.controls.customtab.CustomTab._setSelectedPage(CustomTab.java:635)
at oracle.ide.controls.customtab.CustomTab.setSelectedPage(CustomTab.java:596)
at oracle.ide.controls.customtab.CustomTab.selectPageAt(CustomTab.java:650)
at oracle.ide.controls.customtab.CustomTab.mousePressed(CustomTab.java:1016)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
at java.awt.Component.processMouseEvent(Component.java:6294)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)
at java.awt.Component.processEvent(Component.java:6062)
at java.awt.Container.processEvent(Container.java:2039)
at java.awt.Component.dispatchEventImpl(Component.java:4660)
at java.awt.Container.dispatchEventImpl(Container.java:2097)
at java.awt.Component.dispatchEvent(Component.java:4488)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4575)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4233)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4166)
at java.awt.Container.dispatchEventImpl(Container.java:2083)
at java.awt.Window.dispatchEventImpl(Window.java:2489)
at java.awt.Component.dispatchEvent(Component.java:4488)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:668)
at java.awt.EventQueue.access$400(EventQueue.java:81)
at java.awt.EventQueue$2.run(EventQueue.java:627)
at java.awt.EventQueue$2.run(EventQueue.java:625)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:641)
at java.awt.EventQueue$3.run(EventQueue.java:639)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:638)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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