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

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via Oracle Community by dori, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at oracle.dbtools.unit_test.locking.LockManager.lock(LockManager.java:64)
at oracle.dbtools.unit_test.editor.UtEditor.obtainEditLock(UtEditor.java:429)
at oracle.dbtools.unit_test.editor.UtTestEditor.updateContent(UtTestEditor.java:135)
at oracle.dbtools.unit_test.navigator.UtNavigatorContextMenu.showEditor(UtNavigatorContextMenu.java:2711)
at oracle.dbtools.unit_test.navigator.UtNavigatorContextMenu.openElement(UtNavigatorContextMenu.java:2638)
at oracle.dbtools.unit_test.navigator.UtNavigatorContextMenu.run(UtNavigatorContextMenu.java:616)
at oracle.dbtools.unit_test.navigator.UtNavigatorContextMenu.runTest(UtNavigatorContextMenu.java:577)
at oracle.dbtools.unit_test.navigator.UtNavigatorContextMenu.handleEvent(UtNavigatorContextMenu.java:2374)
at oracle.ideimpl.controller.MetaClassController.handleEvent(MetaClassController.java:53)
at oracle.ide.controller.IdeAction$ControllerDelegatingController.handleEvent(IdeAction.java:1482)
at oracle.ide.controller.IdeAction.performAction(IdeAction.java:663)
at oracle.ide.controller.IdeAction.actionPerformedImpl(IdeAction.java:1153)
at oracle.ide.controller.IdeAction.actionPerformed(IdeAction.java:618)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
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:833)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
at java.awt.Component.processMouseEvent(Component.java:6505)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:708)
at java.awt.EventQueue$4.run(EventQueue.java:706)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
at oracle.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169)
at oracle.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

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