[jbosstools-issues] [JBoss JIRA] Resolved: (JBIDE-9370) NPE when close VPE during page refresh execution

NPE when close VPE during page refresh execution ------------------------------------------------ Key: JBIDE-9370 URL: https://issues.jboss.org/browse/JBIDE-9370 Project: Tools (JBoss Tools) Issue Type: Bug Components: Visual Page Editor core Affects Versions: 3.3.0.M3 Reporter: Vitali Yemialyanchyk Assignee: Yahor Radtsevich Fix For: 3.3.0.M3 Attachments: screenshot-1.jpg edit some rather big page with VPE, input some test, during page refresh close VPE - as result get exception: java.lang.NullPointerException at org.jboss.tools.vpe.editor.mozilla.MozillaEditor.getDomDocument(MozillaEditor.java:828) at org.jboss.tools.vpe.editor.VpeVisualDomBuilder.getVisualDocument(VpeVisualDomBuilder.java:1556) at org.jboss.tools.vpe.editor.VpeVisualDomBuilder.createNode(VpeVisualDomBuilder.java:493) at org.jboss.tools.vpe.editor.VpeVisualDomBuilder.addNode(VpeVisualDomBuilder.java:270) at org.jboss.tools.vpe.editor.VpeVisualDomBuilder.updateElement(VpeVisualDomBuilder.java:836) at org.jboss.tools.vpe.editor.VpeVisualDomBuilder.updateNode(VpeVisualDomBuilder.java:766) at org.jboss.tools.vpe.editor.VpeController.notifyChangedInUiThread(VpeController.java:748) at org.jboss.tools.vpe.editor.VpeController$1.runInUIThread(VpeController.java:554) at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:95) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 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:344) 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:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)