ClassCastException thrown when using subiterator and moveTo()
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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
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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