[kepler-users] provenance recorder throws exception

[Daniel Crawl]

Hi Chris,

There are problems with the actor tree in Kepler. I updated
to the svn head and do not see any actors, or the
provenance recorder. I then updated to revision 19343, as
suggested by Derik in a recent email, and the actors are
there, but no provenance recorder... What revision are you
using?

Do you see a green button with a "P" in the toolbar? If so,
provenance is enabled and will write to an HSQL database in
.kepler/provenance/.

  --dan


Chris Weed wrote:
> I am trying to run the provenance recorder as described here:
> https://kepler-project.org/developers/interest-groups/provenance-interest-group/provenance-recorder-instructions
>
> When I drop the provenance recorder into the workflow desktop I get
> the following:
>
> com.microstar.xml.XmlException: Cannot create entity without a class
> name. in [external stream] at line 2 and column 29
> 	at ptolemy.moml.MoMLParser._checkForNull(MoMLParser.java:3784)
> 	at ptolemy.moml.MoMLParser._createEntity(MoMLParser.java:3965)
> 	at ptolemy.moml.MoMLParser.startElement(MoMLParser.java:2486)
> 	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:1395)
> 	at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1368)
> 	at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1523)
> 	at ptolemy.moml.MoMLChangeRequest._execute(MoMLChangeRequest.java:270)
> 	at ptolemy.kernel.util.ChangeRequest.execute(ChangeRequest.java:170)
> 	at ptolemy.kernel.util.NamedObj.executeChangeRequests(NamedObj.java:699)
> 	at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1686)
> 	at ptolemy.actor.CompositeActor.requestChange(CompositeActor.java:1351)
> 	at ptolemy.vergil.basic.EditorDropTarget$DTListener.drop(EditorDropTarget.java:448)
> 	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)
>
> Chris
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