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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/45252/
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Review request for Ambari, Alexander Denissov, Alejandro Fernandez, bhuvnesh 
chaudhary, Goutam Tadi, Jaimin Jetly, jun aoki, Jayush Luniya, Matt, Newton 
Alex, and Oleksandr Diachenko.


Bugs: AMBARI-15542
    https://issues.apache.org/jira/browse/AMBARI-15542


Repository: ambari


Description
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PXF service checks fails on secured cluster
```
2016-03-11 23:37:35,588 - HdfsResource[None] {'security_enabled': True, 
'keytab': '/etc/security/keytabs/hdfs.headless.keytab', 'default_fs': 
'hdfs://c6401.ambari.apache.org:8020', 'hdfs_site': ..., 'kinit_path_local': 
'/usr/bin/kinit', 'principal_name': 'hdfs-...@ambari.apache.org', 'user': 
'hdfs', 'action': ['execute']}
2016-03-11 23:37:35,588 - Testing PXF HDFS read
2016-03-11 23:37:35,675 - Error code: 500
2016-03-11 23:37:35,675 - HDFS test Failed: Exception occurred in HDFS test: 
PXF data read failed: HTTP Error 500: Internal Server Error
```

Pxf log says
```
SEVERE: Servlet.service() for servlet [PXF REST Service] in context with path 
[/pxf] threw exception [java.io.IOException: Can't get Master Kerberos 
principal for use as renewer] with root cause
java.io.IOException: Can't get Master Kerberos principal for use as renewer
        at 
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:116)
        at 
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:100)
        at 
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodes(TokenCache.java:80)
        at 
org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:206)
        at 
org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:315)
        at 
org.apache.hawq.pxf.plugins.hdfs.HdfsDataFragmenter.getSplits(HdfsDataFragmenter.java:108)
        at 
org.apache.hawq.pxf.plugins.hdfs.HdfsDataFragmenter.getFragments(HdfsDataFragmenter.java:69)
        at 
org.apache.hawq.pxf.service.rest.FragmenterResource.getFragments(FragmenterResource.java:84)
```


Diffs
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ambari-server/src/main/resources/common-services/PXF/3.0.0/package/scripts/params.py
 eed2d18 
  
ambari-server/src/main/resources/common-services/PXF/3.0.0/package/scripts/service_check.py
 40e6d6f 

Diff: https://reviews.apache.org/r/45252/diff/


Testing
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Tested manually with and without YARN, with and without security.


Thanks,

Lav Jain

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