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Posted to dev@kafka.apache.org by "Ismael Juma (JIRA)" <ji...@apache.org> on 2015/12/17 17:48:46 UTC

[jira] [Commented] (KAFKA-2311) Consumer's ensureNotClosed method not thread safe

    [ https://issues.apache.org/jira/browse/KAFKA-2311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15062314#comment-15062314 ] 

Ismael Juma commented on KAFKA-2311:
------------------------------------

Looks like this never made it in. Would you be willing to create a pull request with the change (as described here http://kafka.apache.org/contributing.html)?

> Consumer's ensureNotClosed method not thread safe
> -------------------------------------------------
>
>                 Key: KAFKA-2311
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2311
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>            Reporter: Tim Brooks
>            Assignee: Tim Brooks
>             Fix For: 0.9.1.0
>
>         Attachments: KAFKA-2311.patch, KAFKA-2311.patch
>
>
> When a call is to the consumer is made, the first check is to see that the consumer is not closed. This variable is not volatile so there is no guarantee previous stores will be visible before a read.



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