Opening .xhtml file in Visual Editor Results in AssertionFailedException. Closing and Re-opening the same file a second time succeeds. -------------------------------------------------------------------------------------------------------------------------------------- Key: JBIDE-3477 URL: https://jira.jboss.org/jira/browse/JBIDE-3477 Project: Tools (JBoss Tools) Issue Type: Bug Components: Visual Page Editor core Affects Versions: 3.0.0.cr1 Environment: OSX 10.5, Eclipse 3.4.1, WTP 3.0.3, DTP 1.6.1, EMF 2.4.1, GEF 3.4.1, JBoss Tools 3.0.0.CR1, WTP 3.0.3, Seam 2.1.1-GA Reporter: Tony Kay When I open a page in the visual editor, it almost always throws this error: org.eclipse.jface.util.Assert$AssertionFailedException: Assertion failed: at org.eclipse.jface.util.Assert.isTrue(Assert.java:185) at org.eclipse.jface.util.Assert.isTrue(Assert.java:170) at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditorPart.setActivePage(JSPMultiPageEditorPart.java:276) at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditor.createPages(JSPMultiPageEditor.java:452) at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditorPart.createPartControl(JSPMultiPageEditorPart.java:125) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594) If I close the window and re-open the file a second time, it succeeds. I'm running the suggested version of WTP (with the correct dependencies, AFAIK). -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira