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https://issues.apache.org/jira/browse/DRILL-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victoria Markman closed DRILL-2045.
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> NPE when querying INFORMATION_SCHEMA table
> ------------------------------------------
>
> Key: DRILL-2045
> URL: https://issues.apache.org/jira/browse/DRILL-2045
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Information Schema
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Assignee: Victoria Markman
> Attachments: drill-2045.log
>
>
> I'm filing this bug as a placeholder to investigate the reason of NPE on
> "select * from INFORMATION_SCHEMA.`TABLES`" on my cluster.
> My strong suspicion is that it is related to the way I upgrade drill on a
> cluster and this is somehow scrambles zookeeper's state.
> My steps are:
> * stop drillbits
> * uninstall drill rpm: "rpm -e <>"
> * install a new rpm: "rpm -i <>"
> * service mapr-warden restart (I don't stop warden before an upgrade)
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