This impacts the testing on a cluster setup as well. Please refer
https://wso2.org/jira/browse/ESBJAVA-2912

Regards,
Iranga


On Wed, Jan 22, 2014 at 11:10 AM, Asanka Vithanage <asan...@wso2.com> wrote:

> Hi All,
>
> If some user try to update a artifact deployed through an CApp as
> described in below scenario, What should be the our answer to an user?
>
> *Scenario:*
> 1. User have created a CApp which include all the artifacts need to try
> out MS and MP on ESB [Attached a such artifact].
> 2. Start the ESB server and Deploys the created CApp on ESB server
> 3. Due to some reason user wants to just change an one Message Processor
> parameter like "Maximum delivery attempts", So using admin console UI he
> changes the parameter value {[UI is the easiest way to do such a small
> change]
> 4. Once user restart the server, he will experience the below listed
> exception on stack-trace due to artifact duplication.
>
> *Note*:
> With current CApp deploy architecture all artifacts deployed through a
> CApp keep on a temporarily location
> [wso2esb-4.8.1/repository/carbonapps/work/] and At every restart CApp will
> redeploy again.
> But if user edits one of capp deployed artifacts It will duplicate same
> artifact inside wso2esb-4.8.1/repository/deployment/server folder hierarchy
> as well.So artifact duplication happen at server restart time.
>
>
> So whats our stand on this kind of situation?
> May be we can say we are not allow to update CApp deployed artifacts
> through Admin console UI.
> But we do have real usability issue here, since users tend to use admin
> console UI to make a small changes on an artifact.
> Further our docs [1] does not say anything about this as well.
>
> [This concern is valid for all the wso2 products which supports CApp
> deployment]
>
>
> *Observed following Error:*
>
> [2014-01-21 18:17:55,517] ERROR - MessageProcessorDeployer Message
> Processor Deployment from the file :
> /home/asankav/servers/releasetest/ESB481/wso2esb-4.8.1/repository/carbonapps/work/1390308470104ESB_MSandMP_WSO2MB_Schenario_TestPack_O_CApp_1.0.0.car/MessageProcessorO1_1.0.0/MessageProcessorO1-1.0.0.xml
> : Failed.
> org.apache.synapse.SynapseException: Error scheduling job : JobDetail
> 'synapse.message.processor.quartz.MessageProcessorO1-job':  jobClass:
> 'org.apache.synapse.message.processor.impl.forwarder.ForwardingService
> concurrentExectionDisallowed: false persistJobDataAfterExecution: false
> isDurable: false requestsRecovers: false with trigger Trigger
> 'DEFAULT.MessageProcessorO1-trigger':  triggerClass:
> 'org.quartz.impl.triggers.SimpleTriggerImpl calendar: 'null'
> misfireInstruction: 4 nextFireTime: Tue Jan 21 18:17:55 IST 2014
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.start(ScheduledMessageProcessor.java:153)
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.init(ScheduledMessageProcessor.java:108)
>     at
> org.apache.synapse.message.processor.impl.forwarder.ScheduledMessageForwardingProcessor.init(ScheduledMessageForwardingProcessor.java:43)
>     at
> org.apache.synapse.deployers.MessageProcessorDeployer.deploySynapseArtifact(MessageProcessorDeployer.java:52)
>     at
> org.apache.synapse.deployers.AbstractSynapseArtifactDeployer.deploy(AbstractSynapseArtifactDeployer.java:190)
>     at
> org.wso2.carbon.application.deployer.synapse.SynapseAppDeployer.deployArtifacts(SynapseAppDeployer.java:140)
>     at
> org.wso2.carbon.application.deployer.internal.ApplicationManager.deployCarbonApp(ApplicationManager.java:251)
>     at
> org.wso2.carbon.application.deployer.CappAxis2Deployer.deploy(CappAxis2Deployer.java:114)
>     at
> org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
>     at
> org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:807)
>     at
> org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
>     at
> org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:377)
>     at
> org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:254)
>     at
> org.apache.axis2.deployment.RepositoryListener.startListener(RepositoryListener.java:371)
>     at
> org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(SchedulerTask.java:59)
>     at
> org.apache.axis2.deployment.scheduler.SchedulerTask.run(SchedulerTask.java:67)
>     at
> org.wso2.carbon.core.deployment.CarbonDeploymentSchedulerTask.runAxisDeployment(CarbonDeploymentSchedulerTask.java:79)
>     at
> org.wso2.carbon.core.deployment.CarbonDeploymentSchedulerTask.run(CarbonDeploymentSchedulerTask.java:124)
>     at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>     at
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>     at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>     at java.lang.Thread.run(Thread.java:662)
> Caused by: org.quartz.ObjectAlreadyExistsException: Unable to store Job :
> 'synapse.message.processor.quartz.MessageProcessorO1-job', because one
> already exists with this identification.
>     at org.quartz.simpl.RAMJobStore.storeJob(RAMJobStore.java:277)
>     at
> org.quartz.simpl.RAMJobStore.storeJobAndTrigger(RAMJobStore.java:249)
>     at
> org.quartz.core.QuartzScheduler.scheduleJob(QuartzScheduler.java:840)
>     at org.quartz.impl.StdScheduler.scheduleJob(StdScheduler.java:250)
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.start(ScheduledMessageProcessor.java:151)
>     ... 26 more
> [2014-01-21 18:17:55,575] ERROR - AbstractSynapseArtifactDeployer
> Deployment of the Synapse Artifact from file :
> /home/asankav/servers/releasetest/ESB481/wso2esb-4.8.1/repository/carbonapps/work/1390308470104ESB_MSandMP_WSO2MB_Schenario_TestPack_O_CApp_1.0.0.car/MessageProcessorO1_1.0.0/MessageProcessorO1-1.0.0.xml
> : Failed!
> org.apache.synapse.deployers.SynapseArtifactDeploymentException: Message
> Processor Deployment from the file :
> /home/asankav/servers/releasetest/ESB481/wso2esb-4.8.1/repository/carbonapps/work/1390308470104ESB_MSandMP_WSO2MB_Schenario_TestPack_O_CApp_1.0.0.car/MessageProcessorO1_1.0.0/MessageProcessorO1-1.0.0.xml
> : Failed.
>     at
> org.apache.synapse.deployers.AbstractSynapseArtifactDeployer.handleSynapseArtifactDeploymentError(AbstractSynapseArtifactDeployer.java:471)
>     at
> org.apache.synapse.deployers.MessageProcessorDeployer.deploySynapseArtifact(MessageProcessorDeployer.java:71)
>     at
> org.apache.synapse.deployers.AbstractSynapseArtifactDeployer.deploy(AbstractSynapseArtifactDeployer.java:190)
>     at
> org.wso2.carbon.application.deployer.synapse.SynapseAppDeployer.deployArtifacts(SynapseAppDeployer.java:140)
>     at
> org.wso2.carbon.application.deployer.internal.ApplicationManager.deployCarbonApp(ApplicationManager.java:251)
>     at
> org.wso2.carbon.application.deployer.CappAxis2Deployer.deploy(CappAxis2Deployer.java:114)
>     at
> org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
>     at
> org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:807)
>     at
> org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
>     at
> org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:377)
>     at
> org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:254)
>     at
> org.apache.axis2.deployment.RepositoryListener.startListener(RepositoryListener.java:371)
>     at
> org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(SchedulerTask.java:59)
>     at
> org.apache.axis2.deployment.scheduler.SchedulerTask.run(SchedulerTask.java:67)
>     at
> org.wso2.carbon.core.deployment.CarbonDeploymentSchedulerTask.runAxisDeployment(CarbonDeploymentSchedulerTask.java:79)
>     at
> org.wso2.carbon.core.deployment.CarbonDeploymentSchedulerTask.run(CarbonDeploymentSchedulerTask.java:124)
>     at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
>     at
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
>     at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
>     at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>     at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>     at java.lang.Thread.run(Thread.java:662)
> Caused by: org.apache.synapse.SynapseException: Error scheduling job :
> JobDetail 'synapse.message.processor.quartz.MessageProcessorO1-job':
> jobClass:
> 'org.apache.synapse.message.processor.impl.forwarder.ForwardingService
> concurrentExectionDisallowed: false persistJobDataAfterExecution: false
> isDurable: false requestsRecovers: false with trigger Trigger
> 'DEFAULT.MessageProcessorO1-trigger':  triggerClass:
> 'org.quartz.impl.triggers.SimpleTriggerImpl calendar: 'null'
> misfireInstruction: 4 nextFireTime: Tue Jan 21 18:17:55 IST 2014
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.start(ScheduledMessageProcessor.java:153)
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.init(ScheduledMessageProcessor.java:108)
>     at
> org.apache.synapse.message.processor.impl.forwarder.ScheduledMessageForwardingProcessor.init(ScheduledMessageForwardingProcessor.java:43)
>     at
> org.apache.synapse.deployers.MessageProcessorDeployer.deploySynapseArtifact(MessageProcessorDeployer.java:52)
>     ... 23 more
> Caused by: org.quartz.ObjectAlreadyExistsException: Unable to store Job :
> 'synapse.message.processor.quartz.MessageProcessorO1-job', because one
> already exists with this identification.
>     at org.quartz.simpl.RAMJobStore.storeJob(RAMJobStore.java:277)
>     at
> org.quartz.simpl.RAMJobStore.storeJobAndTrigger(RAMJobStore.java:249)
>     at
> org.quartz.core.QuartzScheduler.scheduleJob(QuartzScheduler.java:840)
>     at org.quartz.impl.StdScheduler.scheduleJob(StdScheduler.java:250)
>     at
> org.apache.synapse.message.processor.impl.ScheduledMessageProcessor.start(ScheduledMessageProcessor.java:151)
>     ... 26 more
>
>
> [1] http://docs.wso2.org/display/Carbon420/C-App+Deployment+Process
>
> --
> Asanka Vithanage
> Senior Software Engineer -QA
> Mobile: +94 0716286708
> Email: asan...@wso2.com
> WSO2 Inc. www.wso2.com
>
>
> _______________________________________________
> Dev mailing list
> Dev@wso2.org
> http://wso2.org/cgi-bin/mailman/listinfo/dev
>
>


-- 
Thanks & Regards

Iranga Muthuthanthri
Technical Lead - QA
(M) -0777-255773
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