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https://issues.apache.org/jira/browse/OPENNLP-676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185998#comment-14185998
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Joern Kottmann commented on OPENNLP-676:
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I added a test to reproduc the problem and to ensure it will not happen again.
The suggested fix is now applied. Please review the changes and ensure it works
in your environment.
Thanks for providing us with a patch to fix the problem!
> POSTagger UIMA AE broken because of AnnotationComboIterator
> -----------------------------------------------------------
>
> Key: OPENNLP-676
> URL: https://issues.apache.org/jira/browse/OPENNLP-676
> Project: OpenNLP
> Issue Type: Bug
> Components: Name Finder, POS Tagger, UIMA Integration
> Affects Versions: tools-1.5.3
> Environment: Oracle JDK8, Debian Jessie 64b
> Reporter: Hugo Mougard
> Assignee: Joern Kottmann
> Fix For: 1.6.0
>
>
> The AnnotationComboIterator helper class used by the UIMA POSTagger accesses
> its iterators unsafely.
> The consequence is that the AE breaks even on very simple CASes such as the
> CAS showcased on this repository (text of 9 letters, 2 sentence annotations
> and 9 token annotations):
> https://github.com/m09/postagger-iterator-bug/blob/master/in.xmi
> The repository linked above contains an example program that crashes on my
> setup. It's fully maven 3 aware so you can normally launch it quite easily.
> Here is a patch that should address the issue:
> https://raw.githubusercontent.com/m09/postagger-iterator-bug/master/iterator.patch
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