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I copied an HTML file in the projects tab, and the following exception was thrown. At the time my laptop was sounding like a jet about to take off, so probably some background parsing thread was going crazy and some sort of race condition happened. SEVERE [global] java.lang.NullPointerException at org.openide.explorer.ExplorerActionsImpl$CopyCutActionPerformer.actionPerformed(ExplorerActionsImpl.java:487) at org.openide.util.actions.CallbackSystemAction$DelegateAction$1.run(CallbackSystemAction.java:546) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:55) at org.openide.util.actions.CallbackSystemAction$DelegateAction.actionPerformed(CallbackSystemAction.java:550) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258) at javax.swing.AbstractButton.doClick(AbstractButton.java:334) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1000) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1041) at java.awt.Component.processMouseEvent(Component.java:5554) at javax.swing.JComponent.processMouseEvent(JComponent.java:3126) at java.awt.Component.processEvent(Component.java:5319) at java.awt.Container.processEvent(Container.java:2010) at java.awt.Component.dispatchEventImpl(Component.java:4021) at java.awt.Container.dispatchEventImpl(Container.java:2068) at java.awt.Component.dispatchEvent(Component.java:3869) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866) at java.awt.Container.dispatchEventImpl(Container.java:2054) at java.awt.Window.dispatchEventImpl(Window.java:1774) at java.awt.Component.dispatchEvent(Component.java:3869) at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) [catch] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
*** Issue 113487 has been marked as a duplicate of this issue. ***
- IDE: [18.10.07 14:11] Committing "ExplorerActionsImpl.java" started Checking in ExplorerActionsImpl.java; /shared/data/ccvs/repository/openide/explorer/src/org/openide/explorer/ExplorerActionsImpl.java,v <-- ExplorerActionsImpl.java new revision: 1.13; previous revision: 1.12 done IDE: [18.10.07 14:11] Committing "Explor