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https://issues.apache.org/jira/browse/UIMA-6183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jörg Waitelonis updated UIMA-6183:
----------------------------------
    Description: 
For some of the following rule/document examples a NullPointerException is 
thrown in RutaLiteralMatcher.java:72:

RUTA Script: 

DECLARE Anno;
"W"{->MARK(Anno)};

Document content to reproduce:

<W ? >        -> working
<W a >        -> not working (NPE thrown)
<W a            -> working
<W >           -> not working (NPE thrown)

The NPE is thrown in line 72 of RutaLiteralMatcher.java: 

RutaBasic beginAnchor = stream.getBeginAnchor(begin);


  was:
For some of the following rule/document examples a NullPointerException is 
thrown in RutaLiteralMatcher.java:72:

RUTA Script: 

DECLARE Anno;
"W"{->MARK(Anno)};

Document content to reproduce:

<W ? >        -> working
<W a >        -> not working (NPE thrown)
<W a            -> working
<W >           -> not working (NPE thrown)

The NPE is thrown in line 72 of RutaLiteralMatcher.java: 

RutaBasic beginAnchor = stream.getBeginAnchor(begin);

('beginAnchor' is null)


> NullPointerException in RutaLiteralMatcher.java:72 
> ---------------------------------------------------
>
>                 Key: UIMA-6183
>                 URL: https://issues.apache.org/jira/browse/UIMA-6183
>             Project: UIMA
>          Issue Type: Bug
>          Components: Ruta
>    Affects Versions: 2.8.0ruta
>         Environment: UIMA Rute 2.8.0 workbench in fresh installation of 
> Eclipse IDE for Enterprise Java Developers. (Version: 2019-12 (4.14.0) Build 
> id: 20191212-1212) on MacOS 10.12.6
>            Reporter: Jörg Waitelonis
>            Priority: Major
>
> For some of the following rule/document examples a NullPointerException is 
> thrown in RutaLiteralMatcher.java:72:
> RUTA Script: 
> DECLARE Anno;
> "W"{->MARK(Anno)};
> Document content to reproduce:
> <W ? >        -> working
> <W a >        -> not working (NPE thrown)
> <W a            -> working
> <W >           -> not working (NPE thrown)
> The NPE is thrown in line 72 of RutaLiteralMatcher.java: 
> RutaBasic beginAnchor = stream.getBeginAnchor(begin);



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