IllegalArgumentException below VpvPreview.createPartControl (thrown in Widget.checkParent) ------------------------------------------------------------------------------------------ Key: JBIDE-22947 URL: https://issues.redhat.com/browse/JBIDE-22947 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: HIDDEN {noformat} java.lang.IllegalArgumentException: HIDDEN at org.eclipse.swt.widgets.Widget.checkParent(Widget.java:291) at org.eclipse.swt.widgets.Widget.<init>(Widget.java:158) at org.eclipse.swt.widgets.Control.<init>(Control.java:109) at org.eclipse.swt.widgets.Scrollable.<init>(Scrollable.java:81) at org.eclipse.swt.widgets.Composite.<init>(Composite.java:96) at org.eclipse.swt.browser.Browser.<init>(Browser.java:87) at org.jboss.tools.vpe.preview.editor.VpvPreview.createPartControl(VpvPreview.java:34) at org.jboss.tools.vpe.preview.editor.VpvEditorPart.createPreviewBrowser(VpvEditorPart.java:644) at org.jboss.tools.jst.web.ui.internal.editor.jspeditor.JSPMultiPageEditor.pageChange(JSPMultiPageEditor.java:317) at org.eclipse.ui.part.MultiPageEditorPart$2.widgetSelected(MultiPageEditorPart.java:295) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) {noformat} Bundles: | org.eclipse.swt | 3.104.2.v20160212-1350 | 3.104.2.v20160212-1350 | | org.eclipse.ui | 3.107.0.v20150507-1945 | 3.107.0.v20150507-1945 | | org.jboss.tools.jst.web.ui | 3.7.1.Final-v20160331-0256-B96 | 3.7.1.Final-v20160331-0256-B96 | | org.jboss.tools.vpe.preview.editor | 3.7.1.Final-v20160331-0327-B91 | 3.7.1.Final-v20160331-0327-B91 | Operating Systems: | Windows | 6.3.0 | 6.3.0 | The above information is a snapshot of the collected data. Visit [this page|https://redhat.ctrlflow.com/reviewers/#!/problems/574c33cfe4b06056d2...] for the latest data. Thank you for your assistance. Your friendly error-reports-inbox.