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https://issues.apache.org/jira/browse/UIMA-6194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17066893#comment-17066893
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Michael Stenger commented on UIMA-6194:
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I used the test for RutaLiteralMatcher in the repository to test how it
responds to the examples I mentioned above. I therefore didn't use other
analysis engines or modified the tokens in the test document. If you modify the
test alike, you should see what I mean. What I get from the second comment is
that RuleElementLiteral is supposed to work on complete tokens only, not
snippets like "est" instead of "test". Is that what you mean?
> Ruta: RutaLiteralMatcher throws exception for special choice of string
> ----------------------------------------------------------------------
>
> Key: UIMA-6194
> URL: https://issues.apache.org/jira/browse/UIMA-6194
> Project: UIMA
> Issue Type: Bug
> Components: Ruta
> Affects Versions: 2.8.0ruta
> Reporter: Michael Stenger
> Assignee: Peter Klügl
> Priority: Minor
> Fix For: 2.8.1ruta, 3.0.1ruta
>
>
> For certain combinations of document text and RuleElementLiteral in the
> script, method getAnnotation of class RutaLiteralMatcher throws a
> NullPointerException. This seems to be the case whenever the used string is
> a postfix or infix of a word in the document, but itself doesn't occur.
> h4. Example
> Script
>
> {code:java}
> DECLARE testType;
> "est" {-> testType};
> "est te"{-> testType};
> {code}
> Document
>
> {code:java}
> test test{code}
>
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