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https://issues.apache.org/jira/browse/HIVE-25051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Panagiotis Garefalakis resolved HIVE-25051.
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Resolution: Fixed
> Callers can access uninitialized MessageBuilder instance causing NPE
> --------------------------------------------------------------------
>
> Key: HIVE-25051
> URL: https://issues.apache.org/jira/browse/HIVE-25051
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Reporter: Csaba Juhász
> Assignee: Csaba Juhász
> Priority: Critical
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Attachments: HIVE-25051.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The creation of the singleton MessageBuilder instance is unsafe, threads can
> access the uninitialized instance.
> https://github.com/apache/hive/blob/326abf9685de39cf4f1b3222d84fe9cbc465710a/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/messaging/MessageBuilder.java#L154
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