Configuration of eclipselink cache coordination in Apache Tomcat

Following steps are need for configuration of eclipselink cache coordination in Apache Tomcat

1.       Activemq configuration

a.       Put activemq-all-5.9.0.jar and commons-logging-1.1.1.jar at %APACHE_TOMCAT_HOME%\lib

2.       Persistence.xml

a.       Need to add following details in persistence.xml for cache coordination

<property name="eclipselink.cache.coordination.naming-service" value="jndi"/>

<property name="eclipselink.cache.coordination.jms.host" value="tcp://localhost:61616/" />

<property name="eclipselink.cache.coordination.protocol" value="jms" />

<property name="eclipselink.cache.coordination.jms.topic" value="java:comp/env/jms/OssCacheTopic" />

<property name="eclipselink.cache.coordination.jms.factory" value="java:comp/env/jms/OssCacheTopicConnectionFactory" />

3.       Server.xml

a.       Need to add following as global naming resources at %APACHE_TOMCAT_HOME%\conf\server.xml

<GlobalNamingResources>

                                <!-- configuration for eclipselink cache coordination on JMS-->   

                <Resource name="jms/OssCacheTopicConnectionFactory" auth="Container"

                                                                type="org.apache.activemq.ActiveMQConnectionFactory"

                                                                description="JMS Connection Factory for cache coordination"

                                                                factory="org.apache.activemq.jndi.JNDIReferenceFactory"

                                                                brokerURL="tcp://localhost:61616/" />

                <Resource name="jms/OssCacheTopic" auth="Container"

                                                                type="org.apache.activemq.command.ActiveMQTopic"

                                                                description="Cache coordination Topic"

                                                                factory="org.apache.activemq.jndi.JNDIReferenceFactory"

                                                                physicalName="OssCacheTopic"/>

  </GlobalNamingResources>

4.       Context.xml

a.       Need to add following details at %APACHE_TOMCAT_HOME%\conf\context.xml

<!-- configuration for eclipselink cache coordination on JMS-->

<ResourceLink global="jms/OssCacheTopicConnectionFactory" name="jms/OssCacheTopicConnectionFactory" type="org.apache.activemq.ActiveMQConnectionFactory"/>

<ResourceLink global="jms/OssCacheTopic" name="jms/OssCacheTopic" type="org.apache.activemq.command.ActiveMQTopic"/>

5.       Resolving exception

a.       In case of system exception like  Internal Exception: java.lang.ClassCastException: org.apache.activemq.ActiveMQConnectionFactory cannot be cast to javax.jms.TopicConnectionFactory Check for to javax.jms .* classes in any other jar file like geronimo-jms_1.1_spec-1.1 and should be removed from %APACHE_TOMCAT_HOME%\webapps\OssWar\WEB-INF\lib and added to %APACHE_TOMCAT_HOME%\lib