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java.lang.NullPointerException at org.netbeans.modules.web.dd.multiview.DDUtils.getJavaSourceGroups (DDUtils.java:293) at org.netbeans.modules.web.dd.multiview.ListenersTablePanel$2.actionPerformed (ListenersTablePanel.java:86) at javax.swing.AbstractButton.fireActionPerformed (AbstractButton.java:1849) at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2169) at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed (DefaultButtonModel.java:258) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased (BasicButtonListener.java:234) at java.awt.Component.processMouseEvent(Component.java:5488) at javax.swing.JComponent.processMouseEvent(JComponent.java:3093) at java.awt.Component.processEvent(Component.java:5253) at java.awt.Container.processEvent(Container.java:1966) at java.awt.Component.dispatchEventImpl(Component.java:3955) at java.awt.Container.dispatchEventImpl(Container.java:2024) at java.awt.Component.dispatchEvent(Component.java:3803) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:4212) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822) at java.awt.Container.dispatchEventImpl(Container.java:2010) at java.awt.Window.dispatchEventImpl(Window.java:1766) at java.awt.Component.dispatchEvent(Component.java:3803) at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) at java.awt.EventDispatchThread.pumpOneEventForHierarchy (EventDispatchThread.java:234) at java.awt.EventDispatchThread.pumpEventsForHierarchy (EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEventsForHierarchy (EventDispatchThread.java:153) at java.awt.Dialog$1.run(Dialog.java:515) at java.awt.Dialog.show(Dialog.java:536) at org.netbeans.core.windows.services.NbPresenter.superShow (NbPresenter.java:798) at org.netbeans.core.windows.services.NbPresenter.doShow (NbPresenter.java:841) at org.netbeans.core.windows.services.NbPresenter.run (NbPresenter.java:829) at org.openide.util.Mutex.doEventAccess(Mutex.java:1044) at org.openide.util.Mutex.readAccess(Mutex.java:170) at org.netbeans.core.windows.services.NbPresenter.show (NbPresenter.java:814) at org.netbeans.modules.web.dd.multiview.ListenersTablePanel$TableActionListener.ac tionPerformed(ListenersTablePanel.java:122) at javax.swing.AbstractButton.fireActionPerformed (AbstractButton.java:1849) at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2169) at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed (DefaultButtonModel.java:258) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased (BasicButtonListener.java:234) at java.awt.Component.processMouseEvent(Component.java:5488) at javax.swing.JComponent.processMouseEvent(JComponent.java:3093) at java.awt.Component.processEvent(Component.java:5253) at java.awt.Container.processEvent(Container.java:1966) at java.awt.Component.dispatchEventImpl(Component.java:3955) at java.awt.Container.dispatchEventImpl(Container.java:2024) at java.awt.Component.dispatchEvent(Component.java:3803) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:4212) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822) at java.awt.Container.dispatchEventImpl(Container.java:2010) at java.awt.Window.dispatchEventImpl(Window.java:1766) at java.awt.Component.dispatchEvent(Component.java:3803) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) at java.awt.EventDispatchThread.pumpOneEventForHierarchy (EventDispatchThread.java:234) at java.awt.EventDispatchThread.pumpEventsForHierarchy (EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Could you please add exact steps to reproduce? Which build do you use? Please, add exceptions in separate text files as attachment next time and do not paste them into comment - it is more readable then, thanks.
I get the same when I open the web.xml editor -> filters tab -> Add Filter Element -> Filter Class -> Browse -> Exception thrown Reproducible always, dev build 200503161050
I can't reproduce it in 200503201900 starting with clean userdir and new WebProject. (WinXP, JDK 1.5.0_02) Gili, are you able to reproduce it even with clean userdir and new web project?
As we are not able to reproduce the issue I am closing it as "works for me".