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https://issues.apache.org/jira/browse/HADOOP-10427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Abdelnur updated HADOOP-10427:
----------------------------------------

    Attachment: HADOOP-10427.patch

Patch that states in the {{KeyProvider}} javadocs that implementations must be 
thread-safe and makes {{JavaKeyStoreProvider}} and {{UserProvider}} (the 
{{KeyProvider}} impls in Hadoop) thread-safe. {{JavaKeyStoreProvider}} uses a 
read-write lock while UserProvider synchronizes its methods.

> KeyProvider implementations should be thread safe
> -------------------------------------------------
>
>                 Key: HADOOP-10427
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10427
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: HADOOP-10427.patch
>
>
> The {{KeyProvider}} API should be thread-safe so it can be used safely in 
> server apps.



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