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https://issues.apache.org/jira/browse/AMQ-4130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Bish resolved AMQ-4130.
-------------------------------
Resolution: Fixed
Fix Version/s: 5.8.0
> 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
> Fix For: 5.8.0
>
>
> 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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