[jira] [Created] (AMBARI-20980) RU: RESTART SPARK2/SPARK2_CLIENT failed

["Dmitry Lysnichenko (JIRA)" <ji...@apache.org>]

Dmitry Lysnichenko created AMBARI-20980:
-------------------------------------------

             Summary: RU: RESTART SPARK2/SPARK2_CLIENT failed
                 Key: AMBARI-20980
                 URL: https://issues.apache.org/jira/browse/AMBARI-20980
             Project: Ambari
          Issue Type: Bug
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
            Priority: Blocker
         Attachments: AMBARI-20980.patch


STR:
# Deploy HDP 2.5.3.0-37 on Ambari 2.4.2.0
# Enable NN HA
# Upgrade ambari to 2.5.1.0-95
# Register and install HDP 2.6.1.0-56
# Perform RU to Finalize
# Perform Downgrade
Result: RESTART SPARK2/SPARK2_CLIENT failed during Downgrade


std.err
{code}
Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/spark_client.py", line 60, in <module>
SparkClient().execute()
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 315, in execute
method(env)
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 783, in restart
self.pre_upgrade_restart(env, upgrade_type=upgrade_type)
File "/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/spark_client.py", line 51, in pre_upgrade_restart
import params
File "/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/params.py", line 209, in <module>
livy2_pid_dir = status_params.livy2_pid_dir
AttributeError: 'module' object has no attribute 'livy2_pid_dir'
{code}

it was caused by AMBARI-19248 which assumes that livy2_pid_dir is present even if livy2 is not installed.




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