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Posted to dev@uima.apache.org by "Marshall Schor (JIRA)" <de...@uima.apache.org> on 2018/01/28 18:57:00 UTC

[jira] [Created] (UIMA-5711) uv3 handle migration from alpha levels of JCas classes more gracefully

Marshall Schor created UIMA-5711:
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             Summary: uv3 handle migration from alpha levels of JCas classes more gracefully
                 Key: UIMA-5711
                 URL: https://issues.apache.org/jira/browse/UIMA-5711
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
            Reporter: Marshall Schor
            Assignee: Marshall Schor
             Fix For: 3.0.0SDK


Alpha levels of JCas classes call TypeSystemImpl.getAdjustedFeatureOffset(...) as part of the initialization for features.  This approach was changed for beta and later levels, and this API if used throws an exception (saying it's an old alpha level construct). 

Change this to a) not throw an exception, but just issue a warning, and b) return -1, which, if it really is an old jcas class, at run time, if this feature is referenced, it will cause an exception.

This will let people successfully migrate from v3 alpha levels by running for example JCasGen from the Component Description Editor.



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