[jbosstools-issues] [JBoss JIRA] Resolved: (JBIDE-4931) 'Preview' button in 'Edit XPath' dialog throws exception

'Preview' button in 'Edit XPath' dialog throws exception -------------------------------------------------------- Key: JBIDE-4931 URL: https://jira.jboss.org/jira/browse/JBIDE-4931 Project: Tools (JBoss Tools) Issue Type: Bug Components: jmx Affects Versions: 3.1.0.M4 Reporter: Denis Golovin Assignee: Rob Stryker Fix For: 3.1.0.GA 1. EXECUTE: Create JBoss AS Server and expand XMP COnfiguration/Ports node in JBoss Servre View 2. EXECUTE: Select 'Edit XPath' form popup menu on JBoss Web child node 3. EXECUTE: Press 'Preview' 4. ASSERT: There is no exceptions in Error Log View now it throws exception showed below org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException) at org.eclipse.swt.SWT.error(SWT.java:3884) at org.eclipse.swt.SWT.error(SWT.java:3799) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:137) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3468) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3115) at org.eclipse.jface.operation.ModalContext$ModalContextThread.block(ModalContext.java:173) at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:388) at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:507) at org.jboss.ide.eclipse.as.ui.dialogs.XPathDialogs$XPathDialog.previewPressed(XPathDialogs.java:411) at org.jboss.ide.eclipse.as.ui.dialogs.XPathDialogs$XPathDialog$7.widgetSelected(XPathDialogs.java:302) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.jface.window.Window.runEventLoop(Window.java:825) at org.eclipse.jface.window.Window.open(Window.java:801) at org.jboss.ide.eclipse.as.ui.views.server.extensions.XPathActionProvider$4.run(XPathActionProvider.java:145) at org.eclipse.jface.action.Action.runWithEvent(Action.java:498) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1176) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3493) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3112) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311) at org.eclipse.equinox.launcher.Main.main(Main.java:1287) Caused by: java.lang.NullPointerException at org.jboss.ide.eclipse.as.ui.dialogs.XPathDialogs$XPathDialog$8$1.run(XPathDialogs.java:405) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) ... 44 more