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https://issues.apache.org/jira/browse/UIMA-4880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15219861#comment-15219861
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Lou DeGenaro commented on UIMA-4880:
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When the Job Driver (JD) detects the following Collection Reader (CR) runtime
situation:
1. CR has no more work items, and
2. CR provided work items (if any) have all been processed, and
3. number of work items processed < total number specified by user
then it will cancel the Job since the total will never be reached! The Reason
on the WS Jobs page will be CanceledByDriver and the hover will display "fewer
work items available than total".
> DUCC JobDriver doesn't terminate when fewer than expected work-items found
> --------------------------------------------------------------------------
>
> Key: UIMA-4880
> URL: https://issues.apache.org/jira/browse/UIMA-4880
> Project: UIMA
> Issue Type: Bug
> Components: DUCC
> Reporter: Burn Lewis
> Assignee: Lou DeGenaro
> Priority: Minor
> Fix For: 2.1.0-Ducc
>
>
> If the CR claims there are 20 work-items but hasNext returns false after 15
> then the JobDriver keeps asking for more. It used to report "Premature" end.
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