[kepler-dev] Adding new actor

Nandita Mangal nmangal at sdsc.edu
Tue Dec 5 18:44:03 PST 2006 

also what is the method to attach an svg image with an actor on the 
kepler canvas ...( _attachText("_iconDescription",...)?)
I want to use an already existing svg icon.
thanks,
nandita.

Nandita Mangal wrote:
> hi there,
> Is the following the correct way of adding new actor to the library panel:
> 1) create actor folder under src/actors
> 2) add manifest & xml files with appropriate ids.
>
> I am able to create one actor from above method...  however for another 
> actor its not able to find the actor on classpath:
>
>      [java] The class name you entered was not found in the classpath.  
> Note tha
> t the class you are trying to enter must be in the classpath from which 
> you launched this program: null
>      [java] java.lang.NullPointerException: Could not clone actor 
> 'PegasusJobAbstract' from the 'util.PegasusJobAbstract' class, the actor 
> null, meaning it was
> not found? Perhaps there is a classpath problem of the karlib needs to 
> be flushed?
> .....
>
> The actor's class is in build/classes , which is on the classpath. I 
> have tried adding after re-building kar and deleting .kepler..however 
> its still not able to find the actor on the classpath.
> If i instantiate the above actor from the workspace...and try to add it 
> to the library by "importing kar archive"..it gives me similar errors of 
> not finding classpath.
>  If anybody knows what I might be doing wrong, please let me know :)
>
> thanks!
> nandita.
>
> ---------------------------------------------------------------------------------------------
>
>      [echo] java.library.path=c:/WINDOWS/system32
>      [java] KAR Library directories: [C:\Project\kepler\kar\actors, 
> C:\Project\k
> epler\kar\directors]
>      [java] The class name you entered was not found in the classpath.  
> Note tha
> t the class you are trying to enter must be in the classpath from which 
> you laun
> ched this program: null
>         [java] java.lang.NullPointerException: Could not clone actor 
> 'PegasusJobAbs
> tract' from the 'util.PegasusJobAbstract' class, the actor null, meaning 
> it was
> not found? Perhaps there is a classpath problem of the karlib needs to 
> be flushe
> d?
>      [java]     at 
> org.kepler.objectmanager.ActorMetadata.getActorAsNamedObj(Act
> orMetadata.java:600)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:748)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>      [java] ptolemy.kernel.util.IllegalActionException: Error building 
> tree mode
> l: Could not clone actor 'PegasusJobAbstract' from the 
> 'util.PegasusJobAbstract'
>  class, the actor null, meaning it was not found? Perhaps there is a 
> classpath p
> roblem of the karlib needs to be flushed?
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:769)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>      [java] ptolemy.kernel.util.IllegalActionException: Error building 
> tree mode
> l: Error building tree model: Could not clone actor 'PegasusJobAbstract' 
> from th
> e 'util.PegasusJobAbstract' class, the actor null, meaning it was not 
> found? Per
> haps there is a classpath problem of the karlib needs to be flushed?
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:769)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>      [java] ptolemy.kernel.util.IllegalActionException: Error building 
> tree mode
> l: Error building tree model: Error building tree model: Could not clone 
> actor '
> PegasusJobAbstract' from the 'util.PegasusJobAbstract' class, the actor 
> null, me
> aning it was not found? Perhaps there is a classpath problem of the 
> karlib needs
>  to be flushed?
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:769)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:741)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>      [java] ptolemy.kernel.util.IllegalActionException: Error building 
> tree mode
> l: Error building tree model: Error building tree model: Error building 
> tree mod
> el: Could not clone actor 'PegasusJobAbstract' from the 
> 'util.PegasusJobAbstract
> ' class, the actor null, meaning it was not found? Perhaps there is a 
> classpath
> problem of the karlib needs to be flushed?
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:769)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>      [java] ptolemy.kernel.util.IllegalActionException: Error building 
> tree mode
> l: Error building tree model: Error building tree model: Error building 
> tree mod
> el: Could not clone actor 'PegasusJobAbstract' from the 
> 'util.PegasusJobAbstract
> ' class, the actor null, meaning it was not found? Perhaps there is a 
> classpath
> problem of the karlib needs to be flushed?
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.buildTreeModel(
> LibraryIndex.java:769)
>      [java]     at 
> org.kepler.objectmanager.library.LibraryIndex.getLibrary(Libr
> aryIndex.java:618)
>      [java]     at 
> org.kepler.moml.KSWLibraryBuilder.buildLibrary(KSWLibraryBuil
> der.java:161)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibra
> ry.java:199)
>      [java]     at 
> ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorL
> ibrary.java:137)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createDefaultConfiguration(
> VergilApplication.java:252)
>      [java]     at 
> ptolemy.vergil.VergilApplication._createEmptyConfiguration(Ve
> rgilApplication.java:269)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication._parseArgs(MoMLApplication.
> java:942)
>      [java]     at 
> ptolemy.vergil.VergilApplication._parseArgs(VergilApplication
> .java:357)
>      [java]     at 
> ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java
> :212)
>      [java]     at 
> ptolemy.vergil.VergilApplication.<init>(VergilApplication.jav
> a:98)
>      [java]     at 
> ptolemy.vergil.VergilApplication$1.run(VergilApplication.java
> :141)
>      [java]     at 
> java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:
> 209)
>      [java]     at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
>      [java]     at 
> java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDi
> spatchThread.java:242)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDisp
> atchThread.java:163)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:157)
>      [java]     at 
> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.j
> ava:149)
>      [java]     at 
> java.awt.EventDispatchThread.run(EventDispatchThread.java:110
> )
>
>
>
>
>
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