[jbosstools-issues] [JBoss JIRA] (JBIDE-17298) NPE when opening preview tab

NPE when opening preview tab ---------------------------- Key: JBIDE-17298 URL: https://issues.jboss.org/browse/JBIDE-17298 Project: Tools (JBoss Tools) Issue Type: Bug Components: visual-page-editor-core Affects Versions: 4.2.0.Beta2 Reporter: Alexey Kazakov Assignee: Konstantin Marmalyukov Priority: Critical Fix For: 4.2.0.Beta2 A: 1. Open any HTML page with JBoss Tools HTML Editor 2. Open Preview tab 3. Restart Eclipse *Eclipse fails to start* or B: 1. Open any HTML page with JBoss Tools HTML Editor 2. Open Source tab 3. Restart Eclipse 4. Click on Preview tab: {code} java.lang.NullPointerException at org.jboss.tools.vpe.preview.editor.VpvEditorPart.getPreviewWebBrowser(VpvEditorPart.java:903) at org.jboss.tools.jst.web.ui.internal.editor.jspeditor.JSPMultiPageEditor.pageChange(JSPMultiPageEditor.java:316) at org.eclipse.ui.part.MultiPageEditorPart$2.widgetSelected(MultiPageEditorPart.java:294) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4462) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1182) at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3110) at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:1794) at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:283) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4462) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3806) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3416) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1152) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1033) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:635) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:578) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:379) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:233) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) {code}