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小さな Hadoop-Hawq クラスターがあります。その中で、HAWQ サービスのチェックを実行しているときに、スレーブ ホスト サービスの 1 つが失敗します。

Ambari UI から次のエラーを取得します。

**stderr:** 
Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/stacks/PHD/3.0/services/HAWQ/package/scripts/service_check.py", line 9, in <module>
    HAWQServiceCheck().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 123, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/PHD/3.0/services/HAWQ/package/scripts/service_check.py", line 6, in service_check
    hawq.verify_segments_state(env)
  File "/var/lib/ambari-agent/cache/stacks/PHD/3.0/services/HAWQ/package/scripts/hawq.py", line 20, in verify_segments_state
    raise Exception("gpstate command returned non-zero result: {0}. Out: {1} Error: {2}".format(retcode, out, err))
Exception: gpstate command returned non-zero result: 255. Out:  Error: Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
 **stdout:**
(255, '', 'Permission denied, please try again.\r\nPermission denied, please try again.\r\nPermission denied (publickey,gssapi-keyex,gssapi-with-mic,password).\r\n')

それについて何か助けていただければ幸いです。

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