[org.netbeans.core.modules] *********** Exception occurred ************ at 6:22 PM on Jul 15, 2004
java.lang.NullPointerException
        at org.netbeans.mdr.NBMDRepositoryImpl.getTransactionMutex(NBMDRepositoryImpl.java:213)
        at org.netbeans.modules.javacore.JMManager.getTransactionMutex(JMManager.java:254)
        at org.netbeans.modules.javacore.JMManager.addModified(JMManager.java:1024)
        at org.netbeans.modules.java.JavaEditor.parseSource(JavaEditor.java:214)
        at org.netbeans.modules.java.JavaEditor.classpathChanged(JavaEditor.java:228)
        at org.netbeans.modules.java.JavaEditor.access$1700(JavaEditor.java:63)
        at org.netbeans.modules.java.JavaEditor$16.propertyChange(JavaEditor.java:1975)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:252)
        at org.netbeans.api.java.classpath.ClassPath.firePropertyChange(ClassPath.java:412)
        at org.netbeans.api.java.classpath.ClassPath$SPIListener.propertyChange(ClassPath.java:635)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:252)
        at org.netbeans.modules.java.j2seplatform.platformdefinition.DefaultClassPathProvider$CompileClassPathImpl.pathsRemoved(DefaultClassPathProvider.java:492)
        at org.netbeans.api.java.classpath.GlobalPathRegistry.unregister(GlobalPathRegistry.java:208)
        at org.netbeans.modules.java.j2seproject.J2SEProject$ProjectOpenedHookImpl.projectClosed(J2SEProject.java:388)
        at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectClosed(ProjectOpenedHook.java:52)
        at org.netbeans.modules.project.ui.OpenProjectList.notifyClosed(OpenProjectList.java:323)
        at org.netbeans.modules.project.ui.OpenProjectList.shutdown(OpenProjectList.java:284)
        at org.netbeans.modules.project.ui.ProjectUiModule.close(ProjectUiModule.java:33)
[catch] at org.netbeans.core.modules.NbInstaller.close(NbInstaller.java:639)
        at org.netbeans.core.modules.ModuleManager.shutDown(ModuleManager.java:1521)
        at org.netbeans.core.modules.ModuleSystem.shutDown(ModuleSystem.java:266)
        at org.netbeans.core.NbTopManager.doExit(NbTopManager.java:493)
        at org.netbeans.core.NbTopManager.exit(NbTopManager.java:458)
        at org.netbeans.core.NbTopManager$NbLifecycleManager.exit(NbTopManager.java:547)
        at org.netbeans.core.windows.view.ui.MainWindow$3.windowClosing(MainWindow.java:210)
        at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:291)
        at java.awt.Window.processWindowEvent(Window.java:1121)
        at javax.swing.JFrame.processWindowEvent(JFrame.java:266)
        at java.awt.Window.processEvent(Window.java:1079)
        at java.awt.Component.dispatchEventImpl(Component.java:3615)
        at java.awt.Container.dispatchEventImpl(Container.java:1627)
        at java.awt.Window.dispatchEventImpl(Window.java:1606)
        at java.awt.Component.dispatchEvent(Component.java:3477)
        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)