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https://issues.apache.org/jira/browse/HIVE-26426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17570875#comment-17570875
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Stamatis Zampetakis commented on HIVE-26426:
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Thanks for working on this [~achennagiri] !
For completeness and for people who may bump into this problem in the future
can you please include the stacktrace (inside noformat tags) in the description
of the JIRA.
> Avoid StringIndexOutOfBoundsException in canCBOHandleAst() method.
> ------------------------------------------------------------------
>
> Key: HIVE-26426
> URL: https://issues.apache.org/jira/browse/HIVE-26426
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Abhay
> Assignee: Abhay
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The call to canHandleQbForCbo() can result in an
> StringIndexOutOfBoundsException. The assumption in the code is that the msg
> can only be null and we handle that but the msg can also be an empty string
> if the *verbose* is set to false. This can happen if INFO Logging is not
> enabled. We need to handle that case.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L913
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