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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-17697) Hive Restart Failed During RU Due To Missing SQL JAR
Date Wed, 13 Jul 2016 22:07:20 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-17697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hurley updated AMBARI-17697:
-------------------------------------
    Status: Patch Available  (was: Open)

> Hive Restart Failed During RU Due To Missing SQL JAR
> ----------------------------------------------------
>
>                 Key: AMBARI-17697
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17697
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>            Priority: Critical
>             Fix For: 2.4.0
>
>
> STR:
> # Deploy HDP 2.3 with Hive
> # Register and install HDP 2.5.0.0-945
> # Perform RU to 2.5.0.0-945 version
> # After Hive Upgrades, Downgrade
> {code}
> Traceback (most recent call last):
>   File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_server.py\",
line 211, in <module>
>     HiveServer().execute()
>   File \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\",
line 280, in execute
>     method(env)
>   File \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\",
line 709, in restart
>     self.start(env, upgrade_type=upgrade_type)
>   File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_server.py\",
line 85, in start
>     self.configure(env) # FOR SECURITY
>   File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_server.py\",
line 56, in configure
>     hive(name='hiveserver2')
>   File \"/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py\", line 89,
in thunk
>     return fn(*args, **kwargs)
>   File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive.py\",
line 277, in hive
>     jdbc_connector(params.hive2_jdbc_target, params.hive2_previous_jdbc_jar)
>   File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive.py\",
line 467, in jdbc_connector
>     sudo = True)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/base.py\", line 155,
in __init__
>     self.env.run()
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/environment.py\",
line 160, in run
>     self.run_action(resource, action)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/environment.py\",
line 124, in run_action
>     provider_action()
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py\",
line 273, in action_run
>     tries=self.resource.tries, try_sleep=self.resource.try_sleep)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/shell.py\", line 71,
in inner
>     result = function(command, **kwargs)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/shell.py\", line 93,
in checked_call
>     tries=tries, try_sleep=try_sleep)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/shell.py\", line 141,
in _call_wrapper
>     result = _call(command, **kwargs_copy)
>   File \"/usr/lib/python2.6/site-packages/resource_management/core/shell.py\", line 294,
in _call
>     raise Fail(err_msg)
> resource_management.core.exceptions.Fail: Execution of 'cp --remove-destination /var/lib/ambari-agent/tmp/mysql-connector-java.jar
/usr/hdp/2.3.0.0-2557/hive2/lib/mysql-connector-java.jar' returned 1. cp: cannot create regular
file '/usr/hdp/2.3.0.0-2557/hive2/lib/mysql-connector-java.jar': No such file or directory
> {code}
> I believe the problem is this line of code:
> {code}
> if check_stack_feature(StackFeature.HIVE_SERVER_INTERACTIVE, stack_version_unformatted):
> {code}
> On a downgrade from 2.5 to 2.3 {{version}} and {{current_version}} are pointing to 2.3,
but stack_version_unformatted is still 2.5. Because of this, we initialize the hive2 variables
which leads us to think that hive2 is the target of copying the JDBC:
> {code}
>   if name == 'metastore' or name == 'hiveserver2':
>     if params.hive_jdbc_target is not None and not os.path.exists(params.hive_jdbc_target):
>       jdbc_connector(params.hive_jdbc_target, params.hive_previous_jdbc_jar)
>     if params.hive2_jdbc_target is not None and not os.path.exists(params.hive2_jdbc_target):
>       jdbc_connector(params.hive2_jdbc_target, params.hive2_previous_jdbc_jar)
> {code}



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