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https://issues.apache.org/jira/browse/HBASE-15261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146044#comment-15146044
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huaxiang sun commented on HBASE-15261:
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Thanks [~tedyu] for reviewing. I do not know how to reproduce this, any
suggestion is welcome. A user run into an exception which could be caused by
this. However, there is no logs, I am not sure if this is the real cause.
> Make Throwable t in DaughterOpener volatile
> -------------------------------------------
>
> Key: HBASE-15261
> URL: https://issues.apache.org/jira/browse/HBASE-15261
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Priority: Minor
> Attachments: HBASE-15261-001.patch
>
>
> In the region split process, daughter regions are opened in different
> threads, Throwable t is set in these threads and it is checked in the calling
> thread. Need to make it volatile so the checking will not miss any exceptions
> from opening daughter regions.
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