[kepler-dev] Problems with pipes, R actors

Latronico Elizabeth (RTC1) Elizabeth.Latronico at us.bosch.com
Thu Feb 22 10:22:15 PST 2007


Hello Kepler developers,

I am new to Kepler and I am getting strange errors about pipe problems
when trying to run the demos with R actors in them.  For example, in
/demos/00-StatisticalSummary.xml I get the following error.  I
downloaded both the binary and also source code for version
kepler-1.0.0beta3 and I have the same problem with both.  I get similar
error messages for the other demos with R actors.

Has anyone seen a similar problem?  I checked the newsgroup archives but
didn't find any related information.

Thanks for your help!
Beth

ptolemy.kernel.util.IllegalActionException: Problem writing input '
  in .00-StatiticalSummary.SummaryStatistics
Because:
The pipe is being closed
	at
org.ecoinformatics.seek.R.RExpression.fire(RExpression.java:478)
	at ptolemy.actor.AtomicActor.iterate(AtomicActor.java:337)
	at
ptolemy.actor.sched.StaticSchedulingDirector.fire(StaticSchedulingDirect
or.java:170)
	at ptolemy.actor.CompositeActor.fire(CompositeActor.java:331)
	at ptolemy.actor.Manager.iterate(Manager.java:668)
	at ptolemy.actor.Manager.execute(Manager.java:327)
	at ptolemy.actor.Manager.run(Manager.java:1044)
	at ptolemy.actor.Manager$3.run(Manager.java:1085)
Caused by: java.io.IOException: The pipe is being closed
	at java.io.FileOutputStream.writeBytes(Native Method)
	at java.io.FileOutputStream.write(Unknown Source)
	at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
	at java.io.BufferedOutputStream.flush(Unknown Source)
	at sun.nio.cs.StreamEncoder$CharsetSE.implFlush(Unknown Source)
	at sun.nio.cs.StreamEncoder.flush(Unknown Source)
	at java.io.OutputStreamWriter.flush(Unknown Source)
	at java.io.BufferedWriter.flush(Unknown Source)
	at
org.ecoinformatics.seek.R.RExpression.fire(RExpression.java:475)
	... 7 more
Caused by: java.io.IOException: The pipe is being closed
	at java.io.FileOutputStream.writeBytes(Native Method)
	at java.io.FileOutputStream.write(Unknown Source)
	at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
	at java.io.BufferedOutputStream.flush(Unknown Source)
	at sun.nio.cs.StreamEncoder$CharsetSE.implFlush(Unknown Source)
	at sun.nio.cs.StreamEncoder.flush(Unknown Source)
	at java.io.OutputStreamWriter.flush(Unknown Source)
	at java.io.BufferedWriter.flush(Unknown Source)
	at
org.ecoinformatics.seek.R.RExpression.fire(RExpression.java:475)
	at ptolemy.actor.AtomicActor.iterate(AtomicActor.java:337)
	at
ptolemy.actor.sched.StaticSchedulingDirector.fire(StaticSchedulingDirect
or.java:170)
	at ptolemy.actor.CompositeActor.fire(CompositeActor.java:331)
	at ptolemy.actor.Manager.iterate(Manager.java:668)
	at ptolemy.actor.Manager.execute(Manager.java:327)
	at ptolemy.actor.Manager.run(Manager.java:1044)
	at ptolemy.actor.Manager$3.run(Manager.java:1085)




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