Francesco Mari created OAK-5521:
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Summary: CommunicationObserver and its MBeans needs 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: 1.6
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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