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Posted to dev@uima.apache.org by "Lou DeGenaro (JIRA)" <de...@uima.apache.org> on 2016/03/14 21:31:33 UTC

[jira] [Created] (UIMA-4854) DUCC Job Driver (JD) fast fail: immediately fetch first work item to exercise getNext()

Lou DeGenaro created UIMA-4854:
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             Summary: DUCC Job Driver (JD) fast fail: immediately fetch first work item to exercise getNext()
                 Key: UIMA-4854
                 URL: https://issues.apache.org/jira/browse/UIMA-4854
             Project: UIMA
          Issue Type: Improvement
          Components: DUCC
            Reporter: Lou DeGenaro
            Assignee: Lou DeGenaro
             Fix For: future-DUCC


Presently, the first work item is not fetched from the Collection Reader (CR) until the first Job Process (JP) successfully initializes and requests same.  For the case where the CR is "bad" (e.g. during development) it would be good to fail fast, rather than waiting, potentially, for quite a long time for the first JP to initialize before learning that getNext() is foobar.



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