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https://issues.apache.org/jira/browse/DRILL-2048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15177961#comment-15177961
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james norris commented on DRILL-2048:
-------------------------------------
This also happens when a HIVE storage plugin is configured to point to a thrift
server, and that thrift server is then unavailable. This renders Drill unusable.
> Malformed drill stoage config stored in zookeeper will prevent Drill from
> starting
> ----------------------------------------------------------------------------------
>
> Key: DRILL-2048
> URL: https://issues.apache.org/jira/browse/DRILL-2048
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Other
> Reporter: Jason Altekruse
> Fix For: Future
>
>
> We noticed this problem while trying to test dev builds on a common cluster.
> When applying changes that added a field to the configuration of a storage
> plugin, the new format of the configuration would be persisted in zookeeper.
> When a different dev build that did not include the change set tried to be
> deployed on the same cluster the config stored in zookeeper would fail to
> parse and the drillbit would not be able to start. This is not system
> critical configuration so the drillbit should be able to still start with the
> plugin disabled.
> This fix could also include changing the jackson mapper to allow ignoring
> unexpected fields in the configuration. This would give a little better
> chance for interoperability between future versions of Drill as we add new
> configuration options as necessary.
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