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https://issues.apache.org/jira/browse/AMBARI-18124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Lysnichenko updated AMBARI-18124:
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Affects Version/s: 2.4.0
> HDFS Finalize Upgrade alert shows up in Unknown state after EU to 2.3.6
> -----------------------------------------------------------------------
>
> Key: AMBARI-18124
> URL: https://issues.apache.org/jira/browse/AMBARI-18124
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.4.0
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Fix For: 2.4.0
>
> Attachments: AMBARI-18124.patch
>
>
> *Steps*
> # Deploy HDP-2.2.6 cluster with Ambari 2.0.2
> # Upgrade Ambari to 2.4.0.0
> # Perform Express Upgrade to 2.3.6.0 and let it complete
> # Go to Alerts page and filter by "HDFS Upgrade Finalized State" Alert
> definition
> *Result*
> The alert shows in UNKWN state
> {code}
> Traceback (most recent call last):
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/alerts/alert_upgrade_finalized.py",
> line 132, in execute
> upgrade_finalized_response_json = json.loads(last_checkpoint_time_response)
> File "/usr/lib/python2.6/site-packages/ambari_simplejson/__init__.py", line
> 307, in loads
> return _default_decoder.decode(s)
> File "/usr/lib/python2.6/site-packages/ambari_simplejson/decoder.py", line
> 335, in decode
> obj, end = self.raw_decode(s, idx=_w(s, 0).end())
> File "/usr/lib/python2.6/site-packages/ambari_simplejson/decoder.py", line
> 353, in raw_decode
> raise ValueError("No JSON object could be decoded")
> ValueError: No JSON object could be decoded
> {code}
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