You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@kylin.apache.org by "jiatao.tao (JIRA)" <ji...@apache.org> on 2018/01/02 03:46:02 UTC
[jira] [Commented] (KYLIN-2876) Ineffective check in
ExternalAclProvider
[ https://issues.apache.org/jira/browse/KYLIN-2876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16307661#comment-16307661 ]
jiatao.tao commented on KYLIN-2876:
-----------------------------------
I'll take this.
> Ineffective check in ExternalAclProvider
> ----------------------------------------
>
> Key: KYLIN-2876
> URL: https://issues.apache.org/jira/browse/KYLIN-2876
> Project: Kylin
> Issue Type: Bug
> Reporter: Ted Yu
>
> {code}
> if (inited)
> return singleton;
> synchronized (ExternalAclProvider.class) {
> if (inited)
> return singleton;
> {code}
> If one thread assigns inited but without initialization complete, another thread may read the value of inited being true and use the partial result.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)