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https://issues.apache.org/jira/browse/ZOOKEEPER-208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12648756#action_12648756
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Austin Shoemaker commented on ZOOKEEPER-208:
--------------------------------------------

Chris, thanks for modifying my patch to comply with the project. I reattached 
it granting the license, let me know if I can help with anything else.

> Zookeeper C client uses API that are not thread safe, causing crashes when 
> multiple instances are active
> --------------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-208
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-208
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client
>    Affects Versions: 3.0.0
>         Environment: Linux
>            Reporter: Austin Shoemaker
>            Assignee: Austin Shoemaker
>            Priority: Critical
>             Fix For: 3.1.0
>
>         Attachments: zookeeper-strtok_getaddrinfo-trunk.patch, 
> zookeeper-strtok_getaddrinfo-trunk.patch
>
>
> The Zookeeper C client library uses gethostbyname and strtok, both of which 
> are not safe to use from multiple threads.
> The problem is resolved by using getaddrinfo and strtok_r in place of the 
> older API.

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