huaxiang sun created HBASE-15261:
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Summary: 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
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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