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https://issues.apache.org/jira/browse/UIMA-464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12506987
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Thilo Goetz commented on UIMA-464:
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Thanks, I'll look into this.
> ClassCastException thrown when using subiterator and moveTo()
> -------------------------------------------------------------
>
> Key: UIMA-464
> URL: https://issues.apache.org/jira/browse/UIMA-464
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Affects Versions: 2.1
> Environment: N/A
> Reporter: Philip Ogren
> Assignee: Thilo Goetz
> Attachments: UIMA-464.zip
>
>
> I am having difficulty with using the FSIterator returned by the
> AnnotationIndex.subiterator(AnnotationFS) method.
> The following is a code fragment:
> AnnotationIndex annotationIndex = jCas.getAnnotationIndex(tokenType);
> FSIterator tokenIterator = annotationIndex.subiterator(sentenceAnnotation);
> tokenIterator.moveTo(tokenAnnotation);
> Here is the relevant portion of the stack trace:
> java.lang.ClassCastException: edu.colorado.cslr.dessert.types.Token
> at java.util.Collections.indexedBinarySearch(Unknown Source)
> at java.util.Collections.binarySearch(Unknown Source)
> at org.apache.uima.cas.impl.Subiterator.moveTo(Subiterator.java:224)
> If I change the second line to the following, then I do not have any problems
> with an exception being thrown.
> FSIterator tokenIterator = annotationIndex.iterator();
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