[kepler-dev] [Bug 4449] New: - exception when dragging workflow

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4449

           Summary: exception when dragging workflow
           Product: Kepler
           Version: 1.x dev
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: interface
        AssignedTo: aschultz at nceas.ucsb.edu
        ReportedBy: berkley at nceas.ucsb.edu
         QAContact: kepler-dev at kepler-project.org


I get the following exception when trying to drag a workflow to the canvas from
the workflows folder after saving a kar.

com.microstar.xml.XmlException: Cannot create entity without a class name. in
[external stream] at line 2 and column 31
        at ptolemy.moml.MoMLParser._checkForNull(MoMLParser.java:3794)
        at ptolemy.moml.MoMLParser._createEntity(MoMLParser.java:3975)
        at ptolemy.moml.MoMLParser.startElement(MoMLParser.java:2495)
        at com.microstar.xml.XmlParser.parseElement(XmlParser.java:921)
        at com.microstar.xml.XmlParser.parseContent(XmlParser.java:1104)
        at com.microstar.xml.XmlParser.parseElement(XmlParser.java:924)
        at com.microstar.xml.XmlParser.parseContent(XmlParser.java:1104)
        at com.microstar.xml.XmlParser.parseElement(XmlParser.java:924)
        at com.microstar.xml.XmlParser.parseDocument(XmlParser.java:481)
        at com.microstar.xml.XmlParser.doParse(XmlParser.java:159)
        at com.microstar.xml.XmlParser.parse(XmlParser.java:132)
        at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1404)
        at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1376)
        at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1532)
        at ptolemy.moml.MoMLChangeRequest._execute(MoMLChangeRequest.java:270)
        at ptolemy.kernel.util.ChangeRequest.execute(ChangeRequest.java:171)
        at
ptolemy.kernel.util.NamedObj.executeChangeRequests(NamedObj.java:727)
        at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1752)
        at ptolemy.actor.CompositeActor.requestChange(CompositeActor.java:1468)
        at
ptolemy.vergil.basic.EditorDropTarget$DTListener.drop(EditorDropTarget.java:450)
        at java.awt.dnd.DropTarget.drop(DropTarget.java:430)
        at
sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:500)
        at
sun.awt.dnd.SunDropTargetContextPeer.access$800(SunDropTargetContextPeer.java:53)
        at
sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:812)
        at
sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:736)
        at sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:29)
        at java.awt.Component.dispatchEventImpl(Component.java:3926)
        at java.awt.Container.dispatchEventImpl(Container.java:2068)
        at java.awt.Component.dispatchEvent(Component.java:3903)
        at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
        at
java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:4007)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3861)
        at java.awt.Container.dispatchEventImpl(Container.java:2054)
        at java.awt.Window.dispatchEventImpl(Window.java:1801)
        at java.awt.Component.dispatchEvent(Component.java:3903)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
        at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)