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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2014/07/02 22:32:24 UTC
[jira] [Updated] (YARN-2241) ZKRMStateStore: On startup, show nicer
messages if znodes already exist
[ https://issues.apache.org/jira/browse/YARN-2241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-2241:
-----------------------------------
Summary: ZKRMStateStore: On startup, show nicer messages if znodes already exist (was: ZKRMStateStore: On startup, show nicer messages when znodes already exist)
> ZKRMStateStore: On startup, show nicer messages if znodes already exist
> -----------------------------------------------------------------------
>
> Key: YARN-2241
> URL: https://issues.apache.org/jira/browse/YARN-2241
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.5.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Minor
> Attachments: YARN-2241.patch, YARN-2241.patch
>
>
> When using the RMZKStateStore, if you restart the RM, you get a bunch of stack traces with messages like {{org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode = NodeExists for /rmstore}}. This is expected as these nodes already exist from before. We should catch these and print nicer messages.
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