[AMBARI-19016] RegionServer Restart During Upgrade Fails Because of Missing Import When Formatting PID

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 2.5.0
• Component/s: ambari-upgrade
• Labels: express_upgrade system_test
• Assignee: Jonathan Hurley
• Reporter: Vivek Sharma
• Created: 29/Nov/16 13:42
• Updated: 29/Nov/16 16:21
• Resolved: 29/Nov/16 16:21

Description

Steps
1. Install HDP-2.5.0.0 with Ambari-2.4.1.0
2. Upgrade Ambari to 2.5.0.0
3. Register HDP-2.6.0.0 and install the bits
4. Start Express Upgrade

Result:
Observed error at 'Restart HBase Region Servers' task:
Traceback (most recent call last):

  File "/var/lib/ambari-agent/cache/common-services/HBASE/0.96.0.2.0/package/scripts/hbase_regionserver.py", line 166, in <module>
    HbaseRegionServer().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 282, in execute
    method(env)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 728, in restart
    self.post_upgrade_restart(env, upgrade_type=upgrade_type)
  File "/var/lib/ambari-agent/cache/common-services/HBASE/0.96.0.2.0/package/scripts/hbase_regionserver.py", line 84, in post_upgrade_restart
    upgrade.post_regionserver(env)
  File "/var/lib/ambari-agent/cache/common-services/HBASE/0.96.0.2.0/package/scripts/upgrade.py", line 48, in post_regionserver
    is_regionserver_registered(exec_cmd, params.hbase_user, params.hostname, re.IGNORECASE)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/decorator.py", line 55, in wrapper
    return function(*args, **kwargs)
  File "/var/lib/ambari-agent/cache/common-services/HBASE/0.96.0.2.0/package/scripts/upgrade.py", line 77, in is_regionserver_registered
    raise Fail("RegionServer process is not running")
resource_management.core.exceptions.Fail: RegionServer process is not running

Issue Links

• is duplicated by: AMBARI-19015 RegionServer Restart During Upgrade Fails Because of Missing Import When Formatting PID
• links to: Reviewboard