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https://issues.apache.org/jira/browse/AMBARI-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260330#comment-14260330
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Dmitry Lysnichenko commented on AMBARI-8852:
--------------------------------------------
Re-reverted (committed the patch back) since absence of this patch seems to
break the RU process.
> RU: Cannot Retry on failure
> ---------------------------
>
> Key: AMBARI-8852
> URL: https://issues.apache.org/jira/browse/AMBARI-8852
> Project: Ambari
> Issue Type: Task
> Reporter: Tom Beerbower
> Assignee: Tom Beerbower
> Fix For: 2.0.0
>
> Attachments: AMBARI-8852.patch
>
>
> During RU, a failure occurred on "Client Components" group, "Service Check
> HBASE, MAPREDUCE2, HDFS, YARN" item.
> The UI presented me with a Retry button. However, the server rejected this
> request:
> PUT /api/v1/clusters/ysru2/upgrades/5/upgrade_groups/4/upgrade_items/30
> {"UpgradeItem":{"status":"PENDING"}}
> {
> "status" : 400,
> "message" : "java.lang.IllegalArgumentException: Can not transition a stage
> from FAILED to PENDING"
> }
> I believe this is the current expected behavior since the failure is not
> marked to hold.
> However, on any service check failure, the user should be able to retry (or
> maybe on any failure? actions should be idempotent).
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