Bahram Chehrazy created HBASE-22150:
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Summary: rssStub in HRegionServer is not thread safe and should
not directly be used
Key: HBASE-22150
URL: https://issues.apache.org/jira/browse/HBASE-22150
Project: HBase
Issue Type: Bug
Components: regionserver
Affects Versions: 3.0.0, 2.2.0
Reporter: Bahram Chehrazy
Assignee: Bahram Chehrazy
While working on a patch for HBASE-22060, I noticed that a unit test started
failing because region server crashed with NPE during initialization and after
aborting the master. It turned out that access to the rssStub was not
synchronized.
The existing code in HRegionServer already takes care of this fact by copying
and null checking in most places, but there are a couple ones that are not so
careful. Those are in reportForDuty and abort methods.
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