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From "Shaofeng SHI (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3087) DistributedLock in GlobalDictionaryBuilder may not release
Date Fri, 08 Dec 2017 13:43:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16283525#comment-16283525
] 

Shaofeng SHI commented on KYLIN-3087:
-------------------------------------

[~kangkaisen] Kaisen, could you please review this patch? thanks.

> DistributedLock in GlobalDictionaryBuilder may not release
> ----------------------------------------------------------
>
>                 Key: KYLIN-3087
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3087
>             Project: Kylin
>          Issue Type: Bug
>          Components: Job Engine
>    Affects Versions: v2.2.0
>            Reporter: Fangyuan Deng
>            Assignee: Fangyuan Deng
>         Attachments: KYLIN-3087.patch
>
>
> In GlobalDictionaryBuilder.init(),
> this.builder = new AppendTrieDictionaryBuilder(baseDir, maxEntriesPerSlice, true);
> if this line has exception, the DistributedLock will not release, and other jobs can
not run.
> so,I added a try catch.
>         try {
>             this.builder = new AppendTrieDictionaryBuilder(baseDir, maxEntriesPerSlice,
true);
>         } catch (Throwable e) {
>             lock.unlock(getLockPath(sourceColumn));
>             throw new RuntimeException(String.format("Failed to create global dictionary
on %s ", sourceColumn), e);
>         }



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