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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-17697) Hive Restart Failed During RU Due To Missing SQL JAR
Date Wed, 13 Jul 2016 21:11:20 GMT
Jonathan Hurley created AMBARI-17697:
----------------------------------------

             Summary: 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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