[
https://issues.apache.org/jira/browse/KYLIN-2876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ted Yu updated KYLIN-2876:
--------------------------
Description:
{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.
was:
{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.
> 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)
