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https://issues.apache.org/jira/browse/HIVE-15184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15946979#comment-15946979
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Peter Vary commented on HIVE-15184:
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[~sbeeram]: If the thread is stopped, then the TokeStore become a memory leak
by accumulating the token objects forever. We will get an OOM error eventually,
but after a longer period of time, and at that moment we will have very hard
time to identify the original problem which caused this. That is why I think it
is better for the long term, to exit immediately.
The {{JDODataStoreException}} is a subclass of {{JDOCanRetryException}}, so
after this patch the MetaStore will try to recover.
> Add the possibility to separate recoverable and not recoverable errors in
> DeletagionTokenStore
> ----------------------------------------------------------------------------------------------
>
> Key: HIVE-15184
> URL: https://issues.apache.org/jira/browse/HIVE-15184
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2, Metastore
> Affects Versions: 1.3.0, 2.0.1, 2.1.0, 2.2.0
> Reporter: Peter Vary
> Assignee: Peter Vary
> Attachments: HIVE-15184.patch
>
>
> After HIVE-15090 committed we discussed it with [~thejas] and agreed, that it
> would be even better if the DelegateTokenStore implementation could decide if
> an error is recoverable or not. Since the DelegationTokenStore is not
> mentioned as a Hive API it is possible to change the interface, so we could
> change the implementations shipped with Hive to use the new functionality,
> and if someone uses it's own implementation of DelegationTokenStore, then he
> should do the matching changes himself
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