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<p class="MsoNormal">Thanks a lot Christopher<o:p></o:p></p>
<p class="MsoNormal">It was really helpful.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Ravi<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Christopher Brooks [mailto:cxh@eecs.berkeley.edu]
<br>
<b>Sent:</b> Monday, January 09, 2012 9:34 PM<br>
<b>To:</b> Ravi Kumar<br>
<b>Cc:</b> Kepler-dev@ecoinformatics.org; Shiva Kumar<br>
<b>Subject:</b> Re: [kepler-dev] Getting exception when using PNDirector<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Ravi,<br>
You need to call _top.preinitialize() and _top.initialize() first.<br>
I modified CompositeProcessDirector so that if _inputBranchController is null, then an InternalErrorException is thrown:<br>
<br>
Exception in thread "main" ptolemy.kernel.util.InternalErrorException: _inputBranchController was null\<br>
? Perhaps initialize() was not called?<br>
in .top.<Unnamed Object><br>
at ptolemy.actor.process.CompositeProcessDirector._resolveDeadlock(CompositeProcessDirector.ja\<br>
va:701)<br>
at ptolemy.actor.process.ProcessDirector.fire(ProcessDirector.java:259)<br>
at ptolemy.actor.CompositeActor.fire(CompositeActor.java:458)<br>
at test.BowtieTest.init(BowtieTest.java:65)<br>
at test.BowtieTest.main(BowtieTest.java:18)<br>
<br>
<br>
See ptolemy/moml/MoMLSimpleApplication.java for how to use ptolemy/actor/Manager.java to run your model:<br>
<br>
_manager = new Manager(_toplevel.workspace(), "MoMLSimpleApplication");<br>
_toplevel.setManager(_manager);<br>
_toplevel.addChangeListener(this);<br>
<br>
_manager.addExecutionListener(this);<br>
_activeCount++;<br>
<br>
_manager.startRun();<br>
<br>
Thread waitThread = new UnloadThread();<br>
<br>
// Note that we start the thread here, which could
<br>
// be risky when we subclass, since the thread will be
<br>
// started before the subclass constructor finishes (FindBugs)
<br>
waitThread.start();<br>
waitThread.join();<br>
if (_sawThrowable != null) {<br>
throw _sawThrowable;<br>
}<br>
<br>
For information about initialize(), see Chapter 5, Designing Actors, page 178 of Volume 1 of the Ptolemy Design Docs at
<a href="http://ptolemy.eecs.berkeley.edu/ptolemyII/designdoc.htm">http://ptolemy.eecs.berkeley.edu/ptolemyII/designdoc.htm</a><br>
<br>
_Christopher<br>
<br>
<br>
<br>
On 1/9/12 5:17 AM, Ravi Kumar wrote: <o:p></o:p></p>
<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am trying to create and run a workflow programmatically. I have created one and able to run if I use SDF director. But not able to run this using PNDirector. When I export the workflow in xml using
<b>exportMoML()</b> method and open the xml file in kepler, it runs properly.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Following error I am getting when trying to execute workflow programmatically using PNDirector.<o:p></o:p></p>
<p class="MsoNormal"><b> </b><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">Exception in thread "main"
</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">java.lang.NullPointerException</span></u><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif""> at ptolemy.actor.process.CompositeProcessDirector._resolveDeadlock(</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">CompositeProcessDirector.java:699</span></u><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif""> at ptolemy.actor.process.ProcessDirector.fire(</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">ProcessDirector.java:259</span></u><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif""> at ptolemy.actor.CompositeActor.fire(</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">CompositeActor.java:459</span></u><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">)</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif""> at test.BowtieTest.init(</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">BowtieTest.java:64</span></u><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">)</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif""> at test.BowtieTest.main(</span><u><span style="font-size:10.0pt;font-family:"Courier New ;color:navy","serif"">BowtieTest.java:18</span></u><span style="font-size:10.0pt;font-family:"Courier New ;color:red","serif"">)</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I am not able to find out root cause for this. Any help on this would be really helpful.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Ravi<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<br>
<br>
<o:p></o:p></span></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Kepler-dev mailing list<o:p></o:p></pre>
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<br>
<o:p></o:p></span></p>
<pre>-- <o:p></o:p></pre>
<pre>Christopher Brooks, PMP University of California<o:p></o:p></pre>
<pre>CHESS Executive Director US Mail: 337 Cory Hall<o:p></o:p></pre>
<pre>Programmer/Analyst CHESS/Ptolemy/Trust Berkeley, CA 94720-1774<o:p></o:p></pre>
<pre>ph: 510.643.9841 (Office: 545Q Cory)<o:p></o:p></pre>
<pre>home: (F-Tu) 707.665.0131 cell: 707.332.0670 <o:p></o:p></pre>
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