[jira] [Created] (HBASE-22923) hbase:meta is assigned to localhost when we downgrade the hbase version

["wenbang (Jira)" <ji...@apache.org>]

wenbang created HBASE-22923:
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             Summary: hbase:meta is assigned to localhost when we downgrade the hbase version
                 Key: HBASE-22923
                 URL: https://issues.apache.org/jira/browse/HBASE-22923
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.4.8
            Reporter: wenbang


When we downgrade the hbase version（rsgroup enable）, we found that the hbase:meta table could not be allocated.
{code:java}
master.AssignmentManager: Failed assignment of hbase:meta,,1.1588230740 to localhost,1,1, trying to assign elsewhere instead; try=1 of 10 java.io.IOException: Call to localhost/127.0.0.1:1 failed on local exception: org.apache.hadoop.hbase.ipc.FailedServerException: This server is in the failed servers list: localhost/127.0.0.1:1
{code}
hbase group list:

  HBASE_META group（hbase:meta and other system tables）

  default group

1.Down grade all servers in HBASE_META first

2.higher version servers is in default

3.hbase:meta assigned to localhost

For system table, we assign them to a server with highest version.

AssignmentManager#getExcludedServersForSystemTable

But did not consider the rsgroup.



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