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https://issues.apache.org/jira/browse/UIMA-4922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15282733#comment-15282733
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Burn Lewis commented on UIMA-4922:
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In the future we should use the DB.
Meanwhile, require the administrator to validate the configuration with
check_ducc -c before reconfiguring or restarting any daemons.
Change DUCC to re-read these files based only on administrators actions, so
1) Remove CLI's use of them
2) Make others (WS) re-read them only when some "trigger" file is touched by
reconfigure or RM start (no longer use ducc.classes as the administrator may
change it)
> Invalid changes to the DUCC classes file can cause jobs to fail
> ---------------------------------------------------------------
>
> Key: UIMA-4922
> URL: https://issues.apache.org/jira/browse/UIMA-4922
> Project: UIMA
> Issue Type: Bug
> Components: DUCC
> Reporter: Burn Lewis
> Fix For: 2.1.0-Ducc
>
>
> Even though the administrator has not reconfigured DUCC or checked the syntax
> with check_ducc -c, the CLI may call functions that read the classes file
> and produce a confusing error message. The CLI should not be responsible for
> switching a P class to its NP equivalent ... the RM should do so using its
> validated set of classes.
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