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https://issues.apache.org/jira/browse/AMBARI-11941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hurley updated AMBARI-11941:
-------------------------------------
Attachment: AMBARI-11941.patch
> RU: Pre Upgrade HDFS Fails Due To Kerberos Security Exception
> -------------------------------------------------------------
>
> Key: AMBARI-11941
> URL: https://issues.apache.org/jira/browse/AMBARI-11941
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 2.1.0
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Blocker
> Fix For: 2.1.0
>
> Attachments: AMBARI-11941.patch
>
>
> During an upgrade from HDP 2.2 to HDP 2.3, the pre-upgrade of the NameNode
> fails:
> {code:title=cat
> ip-172-31-41-15.ec2.internal/var/lib/ambari-agent/data/output-3113.txt}
> 2015-06-13 14:50:17,703 - call['hdfs dfsadmin -safemode get'] {'user': 'hdfs'}
> 2015-06-13 14:50:22,142 - call returned (255, '15/06/13 14:50:21 WARN
> ipc.Client: Exception encountered while connecting to the server :
> javax.security.sasl.SaslException: GSS initiate failed [Caused by
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)]\nsafemode: Failed on local exception: java.io.IOException:
> javax.security.sasl.SaslException: GSS initiate failed [Caused by
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)]; Host Details : local host is:
> "ip-172-31-41-15.ec2.internal/172.31.41.15"; destination host is:
> "ip-172-31-41-15.ec2.internal":8020; ')
> 2015-06-13 14:50:22,143 - Command: hdfs dfsadmin -safemode get
> Code: 255.
> Traceback (most recent call last):
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py",
> line 311, in <module>
> NameNode().execute()
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 216, in execute
> method(env)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py",
> line 110, in prepare_rolling_upgrade
> namenode_upgrade.prepare_rolling_upgrade()
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode_upgrade.py",
> line 100, in prepare_rolling_upgrade
> raise Fail("Could not transition to safemode state %s. Please check logs
> to make sure namenode is up." % str(SafeMode.OFF))
> resource_management.core.exceptions.Fail: Could not transition to safemode
> state OFF. Please check logs to make sure namenode is up.
> {code}
> With the heart of the issue being a kerberos issue:
> {code}
> javax.security.sasl.SaslException: GSS initiate failed [Caused by
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)]\nsafemode: Failed on local exception: java.io.IOException:
> javax.security.sasl.SaslException: GSS initiate failed [Caused by
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)];
> {code}
> It looks like kinit was called right before this:
> {code}
> 2015-06-13 14:50:17,473 - Execute['/usr/bin/kinit -kt
> /etc/security/keytabs/hdfs.headless.keytab [email protected]'] {}2015-06-13
> 14:50:17,702 - Prepare to transition into safemode state OFF
> 2015-06-13 14:50:17,703 - call['hdfs dfsadmin -safemode get'] {'user': 'hdfs'}
> 2015-06-13 14:50:22,142 - call returned (255, '15/06/13 14:50:21 WARN
> ipc.Client: Exception encountered while connecting to the server :
> javax.security.sasl.SaslException:...
> {code}
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