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Posted to dev@uima.apache.org by "Marshall Schor (JIRA)" <de...@uima.apache.org> on 2016/11/17 15:55:58 UTC

[jira] [Created] (UIMA-5185) uv3 throw new exception v2 binary delta deserialization

Marshall Schor created UIMA-5185:
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             Summary: uv3 throw new exception v2 binary delta deserialization 
                 Key: UIMA-5185
                 URL: https://issues.apache.org/jira/browse/UIMA-5185
             Project: UIMA
          Issue Type: Improvement
          Components: Core Java Framework
            Reporter: Marshall Schor
            Assignee: Marshall Schor
            Priority: Minor
             Fix For: 3.0.0SDKexp


Version 3 models the v2 layout by scanning all reachable FSs; this drops (versus v2) unreachable FSs.  Binary form deltas encode the changes relative to this model. Because the model for v3 doesn't match v2's (due to the omission of unreachable FSs), delta updates can't be handled when reading a v2-generated delta cas into a v3 instance.  

Throw an exception for this case (using binary deserializing of Delta CASs generated using V2 into a V3 instance).  Document this in the backwards compatibility section.




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