[ https://issues.apache.org/jira/browse/OAK-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-5521:
-------------------------------
Fix Version/s: (was: 1.7.12)
1.7.11
> CommunicationObserver and its MBeans need proper synchronization
> ----------------------------------------------------------------
>
> Key: OAK-5521
> URL: https://issues.apache.org/jira/browse/OAK-5521
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segment-tar
> Reporter: Francesco Mari
> Assignee: Francesco Mari
> Fix For: 1.8, 1.7.11
>
>
> The {{CommunicationObserver}} used in Cold Standby might be called concurrently by multiple
threads. The implementation of {{CommunicationObserver}} doesn't currently use any form of
synchronization to protect its state.
> Moreover, the MBeans published by the {{CommunicationObserver}} might be concurrently
read via JMX and updated via the {{CommunicationObserver}}. As such, further synchronization
is also needed in the MBeans to protect concurrent access to shared data.
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