java.lang.NullPointerException
   at org.netbeans.modules.j2ee.jboss4.ide.ui.JBPluginUtils.getServerVersion(JBPluginUtils.java:739)
   at org.netbeans.modules.j2ee.jboss4.util.JBProperties.<init>(JBProperties.java:124)
   at org.netbeans.modules.j2ee.jboss4.JBDeploymentManager.getProperties(JBDeploymentManager.java:731)
   at org.netbeans.modules.j2ee.jboss4.nodes.JBManagerNode.isJB7x(JBManagerNode.java:213)
   at org.netbeans.modules.j2ee.jboss4.nodes.JBManagerNode.getActions(JBManagerNode.java:115)
   at org.netbeans.modules.j2ee.deployment.impl.ui.FilterXNode.getActions(FilterXNode.java:101)
   at org.netbeans.modules.j2ee.deployment.impl.ui.InstanceTargetXNode.getActions(InstanceTargetXNode.java:111)
   at org.netbeans.modules.j2ee.deployment.impl.ui.InstanceNodeDecorator.getActions(InstanceNodeDecorator.java:129)
   at org.netbeans.modules.j2ee.deployment.impl.bridge.BridgingServerInstance$InstanceNode.getActions(BridgingServerInstance.java:214)
   at org.openide.nodes.FilterNode.getActions(FilterNode.java:744)
   at org.openide.nodes.NodeOp.findActions(NodeOp.java:162)
   at org.openide.explorer.view.TreeView.createPopup(TreeView.java:1056)
   at org.openide.explorer.view.TreeView$PopupAdapter.showPopup(TreeView.java:1555)
   at org.openide.awt.MouseUtils$PopupMouseAdapter.maybePopup(MouseUtils.java:189)
   at org.openide.awt.MouseUtils$PopupMouseAdapter.mouseReleased(MouseUtils.java:184)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.Component.processMouseEvent(Component.java:6297)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3275)
   at java.awt.Component.processEvent(Component.java:6062)
   at java.awt.Container.processEvent(Container.java:2039)
   at java.awt.Component.dispatchEventImpl(Component.java:4660)
   at java.awt.Container.dispatchEventImpl(Container.java:2097)
   at java.awt.Component.dispatchEvent(Component.java:4488)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4575)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4236)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4166)
   at java.awt.Container.dispatchEventImpl(Container.java:2083)
   at java.awt.Window.dispatchEventImpl(Window.java:2489)
   at java.awt.Component.dispatchEvent(Component.java:4488)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:674)
   at java.awt.EventQueue.access$400(EventQueue.java:81)
   at java.awt.EventQueue$2.run(EventQueue.java:633)
   at java.awt.EventQueue$2.run(EventQueue.java:631)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$3.run(EventQueue.java:647)
   at java.awt.EventQueue$3.run(EventQueue.java:645)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:644)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)