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Posted to common-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2016/08/18 01:05:21 UTC
[jira] [Updated] (HADOOP-10829) Iteration on
CredentialProviderFactory.serviceLoader is thread-unsafe
[ https://issues.apache.org/jira/browse/HADOOP-10829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vinod Kumar Vavilapalli updated HADOOP-10829:
---------------------------------------------
Target Version/s: 2.7.4 (was: 2.7.3)
2.7.3 is under release process, changing target-version to 2.7.4.
> Iteration on CredentialProviderFactory.serviceLoader is thread-unsafe
> ----------------------------------------------------------------------
>
> Key: HADOOP-10829
> URL: https://issues.apache.org/jira/browse/HADOOP-10829
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.6.0
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Labels: BB2015-05-TBR
> Attachments: HADOOP-10829.patch, HADOOP-10829.patch
>
>
> CredentialProviderFactory uses _ServiceLoader_ framework to load _CredentialProviderFactory_
> {code}
> private static final ServiceLoader<CredentialProviderFactory> serviceLoader =
> ServiceLoader.load(CredentialProviderFactory.class);
> {code}
> The _ServiceLoader_ framework does lazy initialization of services which makes it thread unsafe. If accessed from multiple threads, it is better to synchronize the access.
> Similar synchronization has been done while loading compression codec providers via HADOOP-8406.
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