Pankaj Kumar created HBASE-18512:
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             Summary: Region Server will abort with IllegalStateException if 
HDFS umask has limited scope
                 Key: HBASE-18512
                 URL: https://issues.apache.org/jira/browse/HBASE-18512
             Project: HBase
          Issue Type: Bug
          Components: regionserver, security
    Affects Versions: 1.4.0
            Reporter: Pankaj Kumar


If HDFS umask (fs.permissions.umask-mode) has limited scope say 077 then 
file/dir permission will not be wider than 700. HDFS client has to set 
permission explicitly if required.


During SecureBulkLoadEndpoint CP start, RegionServer creates (if not exist) the 
staging directory with the specified permission and later throws 
IllegalStateException if staging directory permission is not set to 711.
After HBASE-17861, we are setting staging dir permission explicitly only when 
it exist. In case of fresh cluster startup staging dir permission wont be 711 
when umask defined as 077 which cause RS to abort.

{noformat}
2017-07-30 14:26:33,350 | ERROR | 
B.defaultRpcServer.handler=12,queue=2,port=21300 | Region server 
HOSTNAME,PORT,XXXXXXXXX reported a fatal error:
ABORTING region server HOSTNAME,PORT,XXXXXXXXX: The coprocessor 
org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint threw 
java.lang.IllegalStateException: Staging directory of /user/HBase/hbase-staging 
already exists but permissions aren't set to '-rwx--x--x' 
Cause:
java.lang.IllegalStateException: Staging directory of /user/root/hbase-staging 
already exists but permissions aren't set to '-rwx--x--x' 
{noformat}

We should set permission explicitly to 711 after staging directory creation.



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