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https://issues.apache.org/jira/browse/SOLR-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662965#action_12662965
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Kay Kay commented on SOLR-935:
------------------------------
What it really means is that - after the full/delta import request is submitted
- it did not launch at all in the server side, but rather failed quietly.
It is important from a debugging perspective that we see something like a
"warning: data import did not launch because of mutex acquisition failure.
Please retry" .
> DataImportHandler: Add logging to record failure to acquire lock by
> DataImporter for a given request
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-935
> URL: https://issues.apache.org/jira/browse/SOLR-935
> Project: Solr
> Issue Type: Improvement
> Components: contrib - DataImportHandler
> Environment: Java 6, Tomcat 6.0.18
> Reporter: Kay Kay
> Priority: Minor
> Fix For: 1.4
>
> Attachments: SOLR-935.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> There is a possibility of 2 threads to be in DataImporter:runCmd, until
> before importLock.tryLock() method and then depending on the scheduling -
> one of them is allowed to pass through from then .
> We need to log the failure of the other as to unable to start because of the
> failure to acquire the mutex, to distinguish between successful start of
> import and failure to do so.
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