SWTException below NavigationUtil.navigateToVisual (thrown in WebBrowser$EvaluateFunction.function) --------------------------------------------------------------------------------------------------- Key: JBIDE-22919 URL: https://issues.redhat.com/browse/JBIDE-22919 Project: Tools (JBoss Tools) Issue Type: Bug Components: visual-page-editor-core Reporter: Automated Error Reporting Bot Assignee: Ilya Buziuk Priority: Major Fix For: 4.16.x The following problem was reported via the automated error reporting: Message: Unhandled event loop exception {noformat} org.eclipse.swt.SWTException: Unable to get property 'outerHTML' of undefined or null reference at org.eclipse.swt.browser.WebBrowser$EvaluateFunction.function(WebBrowser.java:191) at org.eclipse.swt.browser.WebSite.Invoke(WebSite.java:774) at org.eclipse.swt.browser.WebSite$7.method6(WebSite.java:130) at org.eclipse.swt.internal.ole.win32.COMObject.callback6(COMObject.java:119) at org.eclipse.swt.internal.ole.win32.COM.VtblCall(COM.java:-2) at org.eclipse.swt.internal.ole.win32.IDispatch.Invoke(IDispatch.java:64) at org.eclipse.swt.ole.win32.OleAutomation.invoke(OleAutomation.java:571) at org.eclipse.swt.ole.win32.OleAutomation.invoke(OleAutomation.java:534) at org.eclipse.swt.browser.IE.execute(IE.java:1205) at org.eclipse.swt.browser.WebBrowser.evaluate(WebBrowser.java:435) at org.eclipse.swt.browser.WebBrowser.evaluate(WebBrowser.java:394) at org.eclipse.swt.browser.Browser.evaluate(Browser.java:663) at org.eclipse.swt.browser.Browser.evaluate(Browser.java:610) at org.jboss.tools.vpe.preview.core.util.NavigationUtil.navigateToVisual(NavigationUtil.java:161) at org.jboss.tools.vpe.preview.editor.VpvEditor$8.mouseUp(VpvEditor.java:424) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:220) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) {noformat} Bundles: | org.eclipse.swt | 3.104.2.v20160212-1350 | 3.105.0.v20160603-0902 | | org.jboss.tools.vpe.preview.core | 3.7.1.Final-v20160331-0327-B91 | 3.8.0.Final-v20160609-2229-B3 | | org.jboss.tools.vpe.preview.editor | 3.7.1.Final-v20160331-0327-B91 | 3.8.0.Final-v20160609-2229-B3 | Operating Systems: | MacOSX | 10.10.5 | 10.11.5 | | Windows | 6.1.0 | 10.0.0 | The above information is a snapshot of the collected data. Visit [this page|https://redhat.ctrlflow.com/reviewers/#!/problems/57439711e4b0138d62...] for the latest data. Thank you for your assistance. Your friendly error-reports-inbox.