[kepler-dev] [Bug 5444] Kepler can't run workflow if two instances exist at same time

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=5444

Christopher Brooks <cxh at eecs.berkeley.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cxh at eecs.berkeley.edu

--- Comment #5 from Christopher Brooks <cxh at eecs.berkeley.edu> 2011-08-05 07:58:49 PDT ---
Wow, the bug with having multiple Keplers running just hit me hard.
If there are two Keplers running, then drag and drop of an actor fails
with:

com.microstar.xml.XmlException: Cannot create entity without a class name. in
[external stream] at line 2 and column 24
    at ptolemy.moml.MoMLParser._checkForNull(MoMLParser.java:3792)
    at ptolemy.moml.MoMLParser._createEntity(MoMLParser.java:3973)
    at ptolemy.moml.MoMLParser.startElement(MoMLParser.java:2493)
    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:1402)
    at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1374)
    at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1530)
    at ptolemy.moml.MoMLChangeRequest._execute(MoMLChangeRequest.java:289)
    at ptolemy.kernel.util.ChangeRequest.execute(ChangeRequest.java:171)
    at ptolemy.kernel.util.NamedObj.executeChangeRequests(NamedObj.java:735)
    at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1775)
    at ptolemy.actor.CompositeActor.requestChange(CompositeActor.java:1921)
    at
ptolemy.vergil.basic.EditorDropTargetListener.drop(EditorDropTargetListener.java:365)
    at java.awt.dnd.DropTarget.drop(DropTarget.java:434)
    at
sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:519)
    at
sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:832)
    at
sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:756)
    at sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:30)
    at java.awt.Component.dispatchEventImpl(Component.java:4592)
    at java.awt.Container.dispatchEventImpl(Container.java:2143)
    at java.awt.Component.dispatchEvent(Component.java:4565)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4621)
    at
java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:4356)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4207)
    at java.awt.Container.dispatchEventImpl(Container.java:2129)
    at java.awt.Window.dispatchEventImpl(Window.java:2478)
    at java.awt.Component.dispatchEvent(Component.java:4565)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:679)
    at java.awt.EventQueue.access$000(EventQueue.java:85)
    at java.awt.EventQueue$1.run(EventQueue.java:638)
    at java.awt.EventQueue$1.run(EventQueue.java:636)
    at java.security.AccessController.doPrivileged(Native Method)
    at
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
    at
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
    at java.awt.EventQueue$2.run(EventQueue.java:652)
    at java.awt.EventQueue$2.run(EventQueue.java:650)
    at java.security.AccessController.doPrivileged(Native Method)
    at
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:649)
    at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
    at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
    at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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