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[ BUILD # : beta 2 ] [ JDK VERSION : 1.4.2_xx ] The following error was thrown while opening the navigator window with a build file selected: java.lang.AssertionError: java.beans.PropertyVetoException: at org.apache.tools.ant.module.nodes.AntNavigatorPanel$1Panel.requestFocusInWindow(AntNavigatorPanel.java:85) at org.netbeans.modules.navigator.NavigatorTC.requestFocusInWindow(NavigatorTC.java:195) at org.netbeans.core.windows.view.ui.AbstractModeContainer.focusSelectedTopComponent(AbstractModeContainer.java:164) at org.netbeans.core.windows.view.ModeView.focusSelectedTopComponent(ModeView.java:133) at org.netbeans.core.windows.view.ViewHierarchy.activateModeView(ViewHierarchy.java:363) at org.netbeans.core.windows.view.ViewHierarchy.activateMode(ViewHierarchy.java:357) at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:399) at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:238) at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:214) at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:152) at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:91) at org.netbeans.core.windows.Central.activateModeTopComponent(Central.java:1381) at org.netbeans.core.windows.WindowManagerImpl.topComponentRequestActive(WindowManagerImpl.java:1014) at org.openide.windows.TopComponent.requestActive(TopComponent.java:599) at org.netbeans.modules.navigator.ShowNavigatorAction.performAction(ShowNavigatorAction.java:29) at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:94) at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:47) at org.openide.util.actions.CallableSystemAction.actionPerformed(CallableSystemAction.java:90) at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:849) at javax.swing.JComponent.processKeyBindings(JComponent.java:2484) at javax.swing.JComponent.processKeyEvent(JComponent.java:2401) at java.awt.Component.processEvent(Component.java:4909) at java.awt.Container.processEvent(Container.java:1569) at java.awt.Component.dispatchEventImpl(Component.java:3615) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Component.dispatchEvent(Component.java:3477) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592) at java.awt.Component.dispatchEventImpl(Component.java:3506) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Window.dispatchEventImpl(Window.java:1606) at java.awt.Component.dispatchEvent(Component.java:3477) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:456) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137) at java.awt.EventDispatchThread.run(EventDispatchThread.java:100) Caused by: java.beans.PropertyVetoException: at org.openide.explorer.view.ListView$Listener.vetoableChange(ListView.java:1143) at org.openide.util.WeakListenerImpl$VetoableChange.vetoableChange(WeakListenerImpl.java:177) at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:300) at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:217) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.checkArgumentIsValid(ExplorerManager.java:200) at org.openide.explorer.ExplorerManager$1AtomicSetSelectedNodes.run(ExplorerManager.java:246) at org.openide.util.Mutex.readAccess(Mutex.java:261) at org.openide.explorer.ExplorerManager.setSelectedNodes(ExplorerManager.java:253) at org.apache.tools.ant.module.nodes.AntNavigatorPanel$1Panel.requestFocusInWindow(AntNavigatorPanel.java:83) ... 40 more
I think it was a random race condition, in which case I can try to fix, but of course I cannot verify.
committed Up-To-Date 1.3 ant/src/org/apache/tools/ant/module/nodes/AntNavigatorPanel.java