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https://issues.apache.org/jira/browse/HIVE-11749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986965#comment-14986965
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Kai Sasaki commented on HIVE-11749:
-----------------------------------
This problem is related to the {{TableDesc#equals}} method. equals method
cannot be simply {{synchronized}} because of the [consistency
problem|http://stackoverflow.com/questions/1636399/correctly-synchronizing-equals-in-java].
How can we solve it?
> To sometimes deadlock when run a query
> --------------------------------------
>
> Key: HIVE-11749
> URL: https://issues.apache.org/jira/browse/HIVE-11749
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Ryu Kobayashi
> Assignee: Kai Sasaki
> Attachments: HIVE-11749.stack-tarace.txt
>
>
> But not always, to deadlock when it run the query. Environment are as follows:
> * Hadoop 2.6.0
> * Hive 0.13
> * JDK 1.7.0_79
> It will attach the stack trace.
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