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From "Dmitry Lysnichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-14419) Atlas MetaData server start fails due to missing package while adding Atlas service after Hive service
Date Thu, 17 Dec 2015 15:57:46 GMT
Dmitry Lysnichenko created AMBARI-14419:
-------------------------------------------

             Summary: Atlas MetaData server start fails due to missing package while adding
Atlas service after Hive service
                 Key: AMBARI-14419
                 URL: https://issues.apache.org/jira/browse/AMBARI-14419
             Project: Ambari
          Issue Type: Bug
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
         Attachments: AMBARI-14419.patch



*Steps:*
# Install HDP 2.1 with Ambari 2.2.0 (cluster has Hive service installed, no Atlas)
# Register HDP 2.3.4.0-3480 version and Install packages
# Perform EU to HDP 2.3.4.0 and let it complete
# Add Atlas service to the cluster

Alternative STR:
# Install HDP 2.1 with Ambari 2.2.0 (cluster has Hive service installed, no Atlas)
# Add Atlas service to the cluster

Result:
Atlas MetaData server start fails with below error:
{code}
Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py",
line 132, in <module>
MetadataServer().execute()
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line
219, in execute
method(env)
File "/var/lib/ambari-agent/cache/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py",
line 53, in start
self.configure(env)
File "/var/lib/ambari-agent/cache/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py",
line 40, in configure
metadata()
File "/var/lib/ambari-agent/cache/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py",
line 69, in metadata
content = StaticFile(format('{metadata_home}/server/webapp/atlas.war'))
File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154, in __init__
self.env.run()
File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 158,
in run
self.run_action(resource, action)
File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 121,
in run_action
provider_action()
File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line
90, in action_create
content = self._get_content()
File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line
127, in _get_content
return content()
File "/usr/lib/python2.6/site-packages/resource_management/core/source.py", line 51, in __call__
return self.get_content()
File "/usr/lib/python2.6/site-packages/resource_management/core/source.py", line 75, in get_content
raise Fail("{0} Source file {1} is not found".format(repr(self), path))
resource_management.core.exceptions.Fail: StaticFile('/usr/hdp/current/atlas-server/server/webapp/atlas.war')
Source file /usr/hdp/current/atlas-server/server/webapp/atlas.war is not found
{code}

Upon inspection found that:
While installing packages in step 2, below package was installed along with hive packages:
{code}
2015-12-16 20:05:15,043 - Package['atlas-metadata*-hive-plugin'] {'use_repos': ['HDP-2.3.4.0',
'HDP-UTILS-2.3.4.0'], 'skip_repos': ['HDP-*']}
2015-12-16 20:05:15,043 - Installing package atlas-metadata*-hive-plugin ('/usr/bin/yum -d
0 -e 0 -y install '--disablerepo=HDP-*' --enablerepo=HDP-2.3.4.0,HDP-UTILS-2.3.4.0 'atlas-metadata*-hive-plugin'')
{code}

Further while adding Atlas service in step 4, the installation of atlas packages are skipped
because the system thinks that ATLAS packages are already present, which leads to the failure
while starting MetaData server
ATLAS MetaData server install log:
{code}
2015-12-17 08:03:56,583 - Package['unzip'] {}
2015-12-17 08:03:56,723 - Skipping installation of existing package unzip
2015-12-17 08:03:56,723 - Package['curl'] {}
2015-12-17 08:03:56,747 - Skipping installation of existing package curl
2015-12-17 08:03:56,748 - Package['hdp-select'] {}
2015-12-17 08:03:56,765 - Skipping installation of existing package hdp-select
2015-12-17 08:03:57,047 - Package['atlas-metadata_2_3_*'] {}
2015-12-17 08:03:57,170 - Skipping installation of existing package atlas-metadata_2_3_*
2015-12-17 08:03:57,480 - The hadoop conf dir /usr/hdp/current/hadoop-client/conf exists,
will call conf-select on it for version 2.3.4.0-3480
2015-12-17 08:03:57,480 - Checking if need to create versioned conf dir /etc/hadoop/2.3.4.0-3480/0
2015-12-17 08:03:57,481 - call['conf-select create-conf-dir --package hadoop --stack-version
2.3.4.0-3480 --conf-version 0'] {'logoutput': False, 'sudo': True, 'quiet': False, 'stderr':
-1}
2015-12-17 08:03:57,520 - call returned (1, '/etc/hadoop/2.3.4.0-3480/0 exist already', '')
2015-12-17 08:03:57,521 - checked_call['conf-select set-conf-dir --package hadoop --stack-version
2.3.4.0-3480 --conf-version 0'] {'logoutput': False, 'sudo': True, 'quiet': False}
2015-12-17 08:03:57,561 - checked_call returned (0, '/usr/hdp/2.3.4.0-3480/hadoop/conf ->
/etc/hadoop/2.3.4.0-3480/0')
{code}


Note -
a. There is a likelihood of this bug not coming if we chose a host for Atlas MetaData server
that is different from any of the Hive hosts, while adding Atlas service.
b. The bug is seen for EU from HDP 2.2 to 2.3 as well




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