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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (AMQ-4130) Duplicated Classes in activemq-spring and activemq-pool artifacts
Date Fri, 30 Nov 2012 16:29:59 GMT

     [ https://issues.apache.org/jira/browse/AMQ-4130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timothy Bish closed AMQ-4130.
-----------------------------

    Resolution: Invalid

Not sure what you have going on here, there's no duplication here in these modules. 
                
> Duplicated Classes in activemq-spring and activemq-pool artifacts
> -----------------------------------------------------------------
>
>                 Key: AMQ-4130
>                 URL: https://issues.apache.org/jira/browse/AMQ-4130
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: activemq-pool
>    Affects Versions: 5.7.0
>         Environment: Maven integration
>            Reporter: Jeffrey Starker
>            Priority: Minor
>
> When adding activemq-spring as a dependency in a java maven projects, the activemq-spring
includes the artifact activemq-pool as a dependency. However, this causes a problem as activemq-spring
duplicates many of the classes that are in activemq-pool.
> If you do a directory and file comparision between activemq-spring-5.7.0.jar and activemq-pool-5.7.0.jar,
the following files are duplicated in activemq-spring:
> {noformat}
> [WARNING] Found duplicate classes in [org.apache.activemq:activemq-pool:5.7.0,org.apache.activemq:activemq-spring:5.7.0]
:
> [WARNING]   org.apache.activemq.pool.ActiveMQResourceManager
> [WARNING]   org.apache.activemq.pool.AmqJNDIPooledConnectionFactory
> [WARNING]   org.apache.activemq.pool.ConnectionKey
> [WARNING]   org.apache.activemq.pool.ConnectionPool
> [WARNING]   org.apache.activemq.pool.JcaConnectionPool
> [WARNING]   org.apache.activemq.pool.JcaPooledConnectionFactory
> [WARNING]   org.apache.activemq.pool.PooledConnection
> [WARNING]   org.apache.activemq.pool.PooledConnectionFactory
> [WARNING]   org.apache.activemq.pool.PooledMessageConsumer
> [WARNING]   org.apache.activemq.pool.PooledProducer
> [WARNING]   org.apache.activemq.pool.PooledQueueSender
> [WARNING]   org.apache.activemq.pool.PooledSession
> [WARNING]   org.apache.activemq.pool.PooledSessionEventListener
> [WARNING]   org.apache.activemq.pool.PooledTopicPublisher
> [WARNING]   org.apache.activemq.pool.SessionKey
> [WARNING]   org.apache.activemq.pool.XaConnectionPool
> [WARNING]   org.apache.activemq.pool.XaPooledConnectionFactory
> {noformat}
> This can cause classloader problems as there are duplicated classes located on the path
if activemq-pool or activemq-spring classes changed in a later version. This problem has also
happened in previous versions of activemq.
> Current workaround is to simply add exclusion to activemq-pool:
> {code:xml}
> <dependency>
> 	<groupId>org.apache.activemq</groupId>
> 	<artifactId>activemq-spring</artifactId>
> 	<version>5.7.0</version>
> 	<exclusions>
> 		<exclusion>
> 			<artifactId>activemq-pool</artifactId>
> 			<groupId>org.apache.activemq</groupId>
> 		</exclusion>
> 	</exclusions>
> </dependency>
> {code}
> Suggested fix is to remove the classes from activemq-spring package and instead include
the classes located in activemq-pool as a required dependency.

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