java.lang.NullPointerException at org.netbeans.modules.j2ee.jboss4.ide.ui.JBPluginUtils.getServerVersion(JBPluginUtils.java:739) at org.netbeans.modules.j2ee.jboss4.util.JBProperties.(JBProperties.java:124) at org.netbeans.modules.j2ee.jboss4.JBDeploymentManager.getProperties(JBDeploymentManager.java:731) at org.netbeans.modules.j2ee.jboss4.ide.JBJ2eePlatformFactory.getJ2eePlatformImpl(JBJ2eePlatformFactory.java:113) at org.netbeans.modules.j2ee.deployment.impl.ServerInstance.getJ2eePlatformImpl(ServerInstance.java:347) at org.netbeans.modules.j2ee.deployment.impl.query.J2eePlatformSourceForBinaryQuery.findSourceRoots2(J2eePlatformSourceForBinaryQuery.java:103) at org.netbeans.api.java.queries.SourceForBinaryQuery.findSourceRoots2(SourceForBinaryQuery.java:126) at org.netbeans.modules.parsing.impl.indexing.PathRegistry.sourceForBinaryQuery(PathRegistry.java:195) at org.netbeans.modules.java.source.classpath.CacheClassPath.getResources(CacheClassPath.java:173) at org.netbeans.api.java.classpath.ClassPath.entries(ClassPath.java:350) at org.netbeans.api.java.classpath.ClassPath.getRoots(ClassPath.java:262) at org.netbeans.api.java.classpath.ClassPath.findAllResources(ClassPath.java:462) at org.netbeans.api.java.source.SourceUtils.findAllResources(SourceUtils.java:540) at org.netbeans.api.java.source.SourceUtils.getFile(SourceUtils.java:494) at org.netbeans.modules.refactoring.java.RefactoringUtils.getFileObject(RefactoringUtils.java:633) at org.netbeans.modules.refactoring.java.RefactoringUtils.getClasspathInfoFor(RefactoringUtils.java:645) at org.netbeans.modules.refactoring.java.ui.WhereUsedQueryUI.(WhereUsedQueryUI.java:102) at org.netbeans.modules.refactoring.java.ui.WhereUsedQueryUI.create(WhereUsedQueryUI.java:329) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$1.createRefactoringUI(ContextAnalyzer.java:117) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:376) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:301) at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:488) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:586) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:198) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:198) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106) at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:438) at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:409) at org.netbeans.modules.refactoring.java.ui.ContextAnalyzer$TextComponentTask.run(ContextAnalyzer.java:383) at org.netbeans.modules.refactoring.java.ui.RefactoringActionsProvider.doFindUsages(RefactoringActionsProvider.java:180) at org.netbeans.modules.refactoring.api.impl.ActionsImplementationFactory.doFindUsages(ActionsImplementationFactory.java:116) at org.netbeans.modules.refactoring.spi.impl.WhereUsedAction.performAction(WhereUsedAction.java:77) at org.netbeans.modules.refactoring.spi.impl.RefactoringGlobalAction$ContextAction.actionPerformed(RefactoringGlobalAction.java:197) at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:1176) at javax.swing.JComponent.processKeyBindings(JComponent.java:2940) at javax.swing.JComponent.processKeyEvent(JComponent.java:2842) at java.awt.Component.processEvent(Component.java:6282) at java.awt.Container.processEvent(Container.java:2229) at java.awt.Component.dispatchEventImpl(Component.java:4861) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1895) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:762) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1027) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:899) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:727) at java.awt.Component.dispatchEventImpl(Component.java:4731) at java.awt.Container.dispatchEventImpl(Container.java:2287) at java.awt.Window.dispatchEventImpl(Window.java:2719) at java.awt.Component.dispatchEvent(Component.java:4687) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:688) at java.awt.EventQueue$3.run(EventQueue.java:686) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) at java.awt.EventQueue$4.run(EventQueue.java:702) at java.awt.EventQueue$4.run(EventQueue.java:700) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:699) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)