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https://issues.apache.org/jira/browse/UIMA-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marshall Schor closed UIMA-1195.
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Resolution: Cannot Reproduce
Please reopen if reproducible test case can be found.
> ConcurrentModificationException in CasCopier.copyCas()
> ------------------------------------------------------
>
> Key: UIMA-1195
> URL: https://issues.apache.org/jira/browse/UIMA-1195
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Reporter: Aaron Kaplan
> Priority: Minor
>
> I get a ConcurrentModificationException in the last line of the following
> snippet:
> public class MovingImageMerger extends JCasMultiplier_ImplBase{
> public void process(JCas jcas) throws AnalysisEngineProcessException {
> if (resultJCas != null) throw new
> AnalysisEngineProcessException();
> resultJCas = getEmptyJCas();
> CasCopier.copyCas(jcas.getCas(), resultJCas.getCas(),
> true);
> Here is the stack trace:
> Caused by: java.util.ConcurrentModificationException
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$PointerIterator.checkConcurrentModification(FSIndexRepositoryImpl.java:264)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$PointerIterator.checkConcurrentModificationAll(FSIndexRepositoryImpl.java:275)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$PointerIterator.moveToNext(FSIndexRepositoryImpl.java:311)
> at
> org.apache.uima.cas.impl.FSIndexRepositoryImpl$PointerIterator.inc(FSIndexRepositoryImpl.java:541)
> at
> org.apache.uima.cas.impl.FSIteratorWrapper.moveToNext(FSIteratorWrapper.java:67)
> at
> org.apache.uima.cas.impl.FSIteratorImplBase.next(FSIteratorImplBase.java:48)
> at org.apache.uima.util.CasCopier.copyCasView(CasCopier.java:140)
> at org.apache.uima.util.CasCopier.copyCas(CasCopier.java:101)
> at
> eu.sapir.contentmanagement.video.MovingImageMerger.process(MovingImageMerger.java:55)
> at
> org.apache.uima.analysis_component.JCasMultiplier_ImplBase.process(JCasMultiplier_ImplBase.java:58)
> at
> org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.callAnalysisComponentProcess(PrimitiveAnalysisEngine_impl.java:375)
> ... 22 more
> A hint for constructing a test case: while debugging, I noticed that the last
> feature structure to be copied before the error was of a type that had
> erroneously been defined as a subtype of Annotation. It's not a textual
> annotation, and its begin and end fields are left at 0. After I changed the
> definition to make the type a subtype of TOP, the
> ConcurrentModificationException went away.
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