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https://issues.apache.org/jira/browse/TAVERNA-871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stian Soiland-Reyes updated TAVERNA-871:
----------------------------------------
Attachment: control-0003x0005.t2flow
Attached test workflow from Javıer R. Balderrama:
{quote}
Here you have a smaller version with 15 services.
I reproduced the error by executing:
{quote}
{code}
for i in {1..100}; do executeworkflow.sh -logfile taverna.log
control-0003x0005.t2flow; done
{code}
> Race condition: occassional NullPointerException in DispatchStackImpl
> ---------------------------------------------------------------------
>
> Key: TAVERNA-871
> URL: https://issues.apache.org/jira/browse/TAVERNA-871
> Project: Apache Taverna
> Issue Type: Bug
> Components: Taverna Engine
> Reporter: Stian Soiland-Reyes
> Fix For: engine 3.1.0
>
> Attachments: control-0003x0005.t2flow
>
>
> Raised by Javier Rojas Balderrama on users:
> {quote}
> I'm executing some workflows by command line and from time to time the
> execution freezes so I have to start over the execution. The log associated
> to this is bellow. Is this only a command line issue or a general behaviour?
> {quote}
> {code}
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:116)
> - mainTempDirectory is /tmp
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:117)
> - Using tempDir /tmp/usecase1293979972903664991dir
> INFO 2015-07-29 08:49:11,170
> (net.sf.taverna.t2.activities.externaltool.ExternalToolActivity:237) - Run id
> is cddff932-9804-4a55-bef7-4679eab931c5
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:351)
> - cmds[0] = /bin/sh
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:351)
> - cmds[1] = -c
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:351)
> - cmds[2] = sleep 0
> INFO 2015-07-29 08:49:11,170
> (de.uni_luebeck.inb.knowarc.usecases.invocation.local.LocalUseCaseInvocation:353)
> - Command is sleep 0 in directory /tmp/usecase1293979972903664991dir
> WARN 2015-07-29 08:49:11,173
> (net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke:236) -
> Failed (INVOCATION) invoking
> net.sf.taverna.t2.activities.externaltool.ExternalToolActivity@415ce54f for
> job DispatchJobEvent facade0:control-0045x0035:S_1567[]: Uncaught exception
> while invoking
> net.sf.taverna.t2.activities.externaltool.ExternalToolActivity@415ce54f
> java.lang.NullPointerException
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.impl.DispatchStackImpl.satisfyConditions(DispatchStackImpl.java:188)
> at
> net.sf.taverna.t2.workflowmodel.impl.ProcessorImpl$2.finishedWith(ProcessorImpl.java:176)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.impl.DispatchStackImpl$TopLayer.sendCachePurge(DispatchStackImpl.java:313)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.impl.DispatchStackImpl$TopLayer.receiveResult(DispatchStackImpl.java:281)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Parallelize.receiveResult(Parallelize.java:165)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.AbstractDispatchLayer.receiveResult(AbstractDispatchLayer.java:85)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.AbstractErrorHandlerLayer.receiveResult(AbstractErrorHandlerLayer.java:136)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.AbstractErrorHandlerLayer.receiveResult(AbstractErrorHandlerLayer.java:136)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.AbstractDispatchLayer.receiveResult(AbstractDispatchLayer.java:85)
> at
> net.sf.taverna.t2.workflowmodel.processor.dispatch.layers.Invoke$InvokeCallBack.receiveResult(Invoke.java:352)
> at
> net.sf.taverna.t2.activities.externaltool.ExternalToolActivity$1.run(ExternalToolActivity.java:272)
> at java.lang.Thread.run(Thread.java:745)
> ERROR 2015-07-29 08:49:11,174
> (net.sf.taverna.t2.workflowmodel.processor.dispatch.AbstractErrorHandlerLayer:200)
> - Could not find any active jobs for facade0:control-0045x0035:S_1567
> {code}
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