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https://issues.apache.org/jira/browse/KAFKA-720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sriram Subramanian updated KAFKA-720:
-------------------------------------

    Attachment: migrationtoolfix.patch

When one of the migration tool thread dies, we were just eating up the 
exception. Also all the fetcher threads were trying to push data to the queue 
of the thread that died causing the tool to stall. We now catch exceptions and 
log them and continue. For any error belonging to lang.Error we log a fatal 
error.
                
> Migration tool halts
> --------------------
>
>                 Key: KAFKA-720
>                 URL: https://issues.apache.org/jira/browse/KAFKA-720
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Neha Narkhede
>            Assignee: Sriram Subramanian
>            Priority: Blocker
>              Labels: p1
>         Attachments: migrationtoolfix.patch, migration-tool-halts
>
>
> Migration tool halts, attaching a thread dump for further investigation

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