Hi All. Following was noted in testing for 100,00 messages for the ESB (4.8.1) message store and forward scenario in a MB 2.1.0 cluster environment.
*Issue*:Out of memory exception noted in ESB console. [2014-03-03 04:37:36,065] ERROR - JmsStore Could not create a Message Producer for Store [MessageStoreO1]. Error:GC overhead limit exceeded java.lang.OutOfMemoryError: GC overhead limit exceeded at java.util.Arrays.copyOfRange(Arrays.java:3209) at java.lang.String.<init>(String.java:215) at java.lang.StringBuilder.toString(StringBuilder.java:430) at java.lang.Object.toString(Object.java:219) at org.wso2.andes.client.BasicMessageProducer.setPublishMode(BasicMessageProducer.java:167) at org.wso2.andes.client.BasicMessageProducer.<init>(BasicMessageProducer.java:148) at org.wso2.andes.client.BasicMessageProducer_0_8.<init>(BasicMessageProducer_0_8.java:51) at org.wso2.andes.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:411) at org.wso2.andes.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:82) at org.wso2.andes.client.AMQSession$7.execute(AMQSession.java:2632) at org.wso2.andes.client.AMQSession$7.execute(AMQSession.java:2627) at org.wso2.andes.client.AMQConnectionDelegate_8_0.executeRetrySupport(AMQConnectionDelegate_8_0.java:315) at org.wso2.andes.client.AMQConnection.executeRetrySupport(AMQConnection.java:621) at org.wso2.andes.client.failover.FailoverRetrySupport.execute(FailoverRetrySupport.java:102) at org.wso2.andes.client.AMQSession.createProducerImpl(AMQSession.java:2625) at org.wso2.andes.client.AMQSession.createProducerImpl(AMQSession.java:2619) at org.wso2.andes.client.AMQSession.createProducer(AMQSession.java:1231) at org.wso2.andes.client.AMQSession.createProducer(AMQSession.java:109) at org.apache.synapse.message.store.impl.jms.JmsStore.newProducer(JmsStore.java:346) at org.apache.synapse.message.store.impl.jms.JmsStore.getProducer(JmsStore.java:136) at org.apache.synapse.mediators.store.MessageStoreMediator.mediate(MessageStoreMediator.java:84) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) at org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:166) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) at org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:411) at org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:183) at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) Issue details can be found on:https://wso2.org/jira/browse/ESBJAVA-3024 -- Thanks & Regards Iranga Muthuthanthri Technical Lead - QA (M) -0777-255773
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