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https://issues.apache.org/jira/browse/KYLIN-3556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16668372#comment-16668372
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Chao Long commented on KYLIN-3556:
----------------------------------
verified.
> Interned string should not be used as lock object
> -------------------------------------------------
>
> Key: KYLIN-3556
> URL: https://issues.apache.org/jira/browse/KYLIN-3556
> Project: Kylin
> Issue Type: Bug
> Components: Metadata
> Affects Versions: v2.5.0
> Reporter: Ted Yu
> Assignee: Kaige Liu
> Priority: Minor
> Fix For: v2.5.1
>
>
> In JDBCResourceDAO :
> {code}
> public void execute(Connection connection) throws SQLException {
> synchronized (resPath.intern()) {
> {code}
> Locking on an interned string can cause unexpected locking collisions with
> other part of code.
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