Hi Shammi, I thought we fixed the dynamic queue case by doing a explicit call from the client to create the queue. Need to get this fixed in this release.
--Srinath On Thu, Jun 20, 2013 at 10:38 AM, Ishara Premadasa <ish...@wso2.com> wrote: > Hi Shammi, > > Thanks for this information. As the App Server 5.1.1 which comes with > newly changed JMS transport library is not released yet, i patched the > axis2-transport-jms_1.1.0.wso2v7 into AS 5.1.0 and now the integrations > works fine. However sample REST, JS services etc. still needs to be changed > in the services.xml file. > > I have added the documentation in to [1] with explaining the necessary > configuration details. > > Thanks! > Ishara > > [1] http://docs.wso2.org/wiki/display/MB210/Integrating+WSO2+AS > > > On Wed, Jun 19, 2013 at 1:21 PM, Shammi Jayasinghe <sha...@wso2.com>wrote: > >> Hi Ishara, >> >> Yes, We are unable to support dynamic queues with AMQP 0-91 version. >> Because of that problem we have solved this issue in a different way.[1]. >> If you get the latest JMS transport library in to the App Server, it should >> fix the problem of defining queue name in the jndi.properties file of the >> server. We have >> discussed this problem and the feasible solution in the mail thread "ESB >> and MB integration" >> >> Thanks >> Shammi >> >> [1]https://wso2.org/jira/browse/CARBON-14108 >> >> >> >> On Wed, Jun 19, 2013 at 1:07 PM, Ishara Premadasa <ish...@wso2.com>wrote: >> >>> Hi, >>> >>> I am trying to integrate MB 2.1.0 with AS 5.1.0 in order to enable a >>> sample service deployed in App Server to be subscribed and receive messages >>> from a queue/topic registered in MB [1]. However when doing this there are >>> practical limitations in this scenario which makes it not useful to >>> integrate MB with App Server. >>> >>> As WSO2 MB currently do not have dynamic Queues/Topics support, it can't >>> dynamically create destinations when they are not defined in the JNDI >>> Initial Context. Once the JMS transport is enabled in App Server it tries >>> to create a JMS Queue for each deployed service in AS at the start up. As >>> there are no jms queues defined in jndi.properties file for these start up >>> services (except for the sample service which we going to use with MB) App >>> Server fails to start in this case and loops the following error in the >>> console. >>> >>> [2013-06-19 12:49:39,965] INFO >>> {org.apache.axis2.transport.jms.ServiceTaskManager} - Task manager for >>> service : JavaScriptStubGeneratorService [re-]initialized >>> [2013-06-19 12:49:39,985] WARN >>> {org.apache.axis2.transport.jms.JMSUtils} - Cannot locate destination : >>> JavaScriptStubGeneratorService >>> [2013-06-19 12:49:39,993] ERROR >>> {org.apache.axis2.transport.base.threads.NativeWorkerPool} - Uncaught >>> exception >>> java.lang.UnsupportedOperationException: The new addressing based sytanx >>> is not supported for AMQP 0-8/0-9 versions >>> at >>> org.wso2.andes.client.AMQSession_0_8.handleAddressBasedDestination(AMQSession_0_8.java:572) >>> at >>> org.wso2.andes.client.AMQSession.registerConsumer(AMQSession.java:2838) >>> at org.wso2.andes.client.AMQSession.access$500(AMQSession.java:117) >>> at org.wso2.andes.client.AMQSession$4.execute(AMQSession.java:2031) >>> at org.wso2.andes.client.AMQSession$4.execute(AMQSession.java:1997) >>> at >>> org.wso2.andes.client.AMQConnectionDelegate_8_0.executeRetrySupport(AMQConnectionDelegate_8_0.java:305) >>> at >>> org.wso2.andes.client.AMQConnection.executeRetrySupport(AMQConnection.java:621) >>> at >>> org.wso2.andes.client.failover.FailoverRetrySupport.execute(FailoverRetrySupport.java:102) >>> at >>> org.wso2.andes.client.AMQSession.createConsumerImpl(AMQSession.java:1995) >>> at >>> org.wso2.andes.client.AMQSession.createConsumer(AMQSession.java:993) >>> at >>> org.apache.axis2.transport.jms.JMSUtils.createConsumer(JMSUtils.java:642) >>> at >>> org.apache.axis2.transport.jms.ServiceTaskManager$MessageListenerTask.createConsumer(ServiceTaskManager.java:871) >>> at >>> org.apache.axis2.transport.jms.ServiceTaskManager$MessageListenerTask.getMessageConsumer(ServiceTaskManager.java:741) >>> at >>> org.apache.axis2.transport.jms.ServiceTaskManager$MessageListenerTask.receiveMessage(ServiceTaskManager.java:498) >>> at >>> org.apache.axis2.transport.jms.ServiceTaskManager$MessageListenerTask.run(ServiceTaskManager.java:420) >>> at >>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> at java.lang.Thread.run(Thread.java:662) >>> >>> >>> >>> Therefore if we are going to integrate MB into AS need to do one of the >>> below two configuration options. >>> >>> 1. Go through all other deployed services in AS and modify the >>> services.xml file in order to only listen via http,https transports. >>> 2. Go through all other deployed services in AS and add a corresponding >>> queue name to jndi.properties file with each service name. >>> >>> Any option of this two is not feasible and not acceptable in user's >>> perspective as well as AS server will fail immediately if there is new >>> service is deployed on the run. Is there any way whether we can only enable >>> the JMS transport for a selected service only? >>> >>> In side note Apache ActiveMQ provides dynamic queue/topic support, [2] >>> so AS starts fine with ActiveMQ while ActiveMQ creates a queue in the >>> broker for each deployed service in AS. Hence as a workaround this can be >>> get worked if MB adds dynamic queue support, however the correct solution >>> would be add a configuration to enable/disable JMS transport in services, >>> as it is done in ESB proxy services. >>> >>> Thanks! >>> Ishara >>> >>> [1] https://wso2.org/jira/browse/MB-238 >>> [2] http://activemq.apache.org/how-do-i-create-new-destinations.html >>> >>> -- >>> Ishara Premasada >>> Software Engineer, >>> WSO2 Inc. http://wso2.com/ >>> *Blog : http://isharapremadasa.blogspot.com/ >>> Twitter : https://twitter.com/ishadil >>> Mobile : +94 714445832* >>> >>> >>> >> >> >> -- >> Best Regards,* >> >> Shammi Jayasinghe* >> Associate Tech Lead >> WSO2, Inc.; http://wso2.com, >> mobile: +94 71 4493085 >> >> > > > -- > Ishara Premasada > Software Engineer, > WSO2 Inc. http://wso2.com/ > *Blog : http://isharapremadasa.blogspot.com/ > Twitter : https://twitter.com/ishadil > Mobile : +94 714445832* > > > -- ============================ Srinath Perera, Ph.D. Director, Research, WSO2 Inc. Visiting Faculty, University of Moratuwa Member, Apache Software Foundation Research Scientist, Lanka Software Foundation Blog: http://srinathsview.blogspot.com/ Photos: http://www.flickr.com/photos/hemapani/ Phone: 0772360902
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