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Posted to dev@activemq.apache.org by "Timothy Bish (JIRA)" <ji...@apache.org> on 2010/02/24 14:46:40 UTC
[jira] Resolved: (AMQCPP-288) ResourceLifecycleManager needs to be
thread-safe
[ https://issues.apache.org/activemq/browse/AMQCPP-288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timothy Bish resolved AMQCPP-288.
---------------------------------
Resolution: Fixed
Fix Version/s: 3.2.0
Patch applied, thanks for the help.
> ResourceLifecycleManager needs to be thread-safe
> ------------------------------------------------
>
> Key: AMQCPP-288
> URL: https://issues.apache.org/activemq/browse/AMQCPP-288
> Project: ActiveMQ C++ Client
> Issue Type: Bug
> Components: CMS Impl
> Affects Versions: 3.0.1, 3.1
> Reporter: Ivan Pechorin
> Assignee: Timothy Bish
> Fix For: 3.2.0
>
> Attachments: AMQCPP_288_trunk.patch
>
>
> We use ActiveMQ C++ 3.x client in a multi-threaded application. In particular, we use activemq::cmsutil::SessionPool and activemq::cmsutil::PooledSession.
> Methods createCachedProducer and createCachedConsumer of class PooledSession do not synchronize access to their shared ResourceLifecycleManager, and ResourceLifecycleManager itself is not thread-safe. Therefore, it is not safe to use pooled session from multiple threads, even if we guarantee that each PooledSession is used from one thread at any given time.
> To resolve this issue, ResourceLifecycleManager needs to be thread-safe, i.e. we need to add synchronization to all of its add* methods.
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