Hi Chanaka,Ravindra,

I have the setup with a elb,a manager node and a worker node. As Chanaka
mentioned I changed taskServerCount parameter value to 1 in both manager
and worker node. Still I am getting the same error in both manager and
worker node.

Thanks,
Kathees

On Mon, Apr 6, 2015 at 2:24 PM, Chanaka Fernando <[email protected]> wrote:

> [Adding Kathees]
>
> On Mon, Apr 6, 2015 at 2:23 PM, Ravindra Ranwala <[email protected]>
> wrote:
>
>> Hi Chanaka,
>>
>> Yes, I have encountered with this error while I was testing MSMP tasks in
>> cluster mode. It was an intermittent issue.
>>
>> @Kathees: Could you please restart the manager node again and make sure
>> that you have started one or more workers in the meantime as Chanaka
>> mentioned. AFAIK, manager node collects them as pending tasks and schedules
>> later once workers joined the cluster.
>>
>>
>>
>> Thanks & Regards,
>>
>> On Mon, Apr 6, 2015 at 2:12 PM, Chanaka Fernando <[email protected]>
>> wrote:
>>
>>> Hi Ravindra/Maheeka,
>>>
>>> Have you observed such an issue when you were testing tasks in cluster
>>> mode?
>>>
>>> Thanks,
>>> Chanaka
>>>
>>> ---------- Forwarded message ----------
>>> From: Chanaka Fernando <[email protected]>
>>> Date: Mon, Apr 6, 2015 at 1:42 PM
>>> Subject: Re: Testing Kafka Inbound in ESB cluster mode.
>>> To: Kathees Rajendram <[email protected]>
>>> Cc: DEV <[email protected]>, Kasun Indrasiri <[email protected]>
>>>
>>>
>>> Hi Kathees,
>>>
>>> Have you started the worker nodes? By theory, Tasks are running on
>>> worker nodes. You need to have at least 1 worker node to start executing
>>> the tasks. Also there is another configuration file which controls the
>>> minimum number of instances to start executing the tasks. This can be
>>> configured in the *ESB_HOME/repository/conf/etc/tasks-config.xml* file
>>> with the below parameter.
>>>
>>> <taskServerCount>2</taskServerCount>
>>>
>>> The value of 2 means that cluster will wait until 2 worker nodes are
>>> started for the execution of tasks.
>>>
>>> Thanks,
>>> Chanaka
>>>
>>> On Mon, Apr 6, 2015 at 12:49 PM, Kathees Rajendram <[email protected]>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I tested Kafka inbound in esb cluster mode. I have added required
>>>> patches and inbound configuration in manager node. When I start the manger
>>>> node I am getting following error.
>>>>
>>>> Am I missing anything?
>>>>
>>>> [2015-04-06 12:32:55,977]  INFO - NTaskTaskManager Initialized task
>>>> manager on manager node. Tenant [-1234]
>>>> [2015-04-06 12:32:56,089] ERROR - NTaskTaskManager Scheduling task
>>>> [[NTask::-1234::MyKAFKAListenerEP-KAFKA-EP]::KAFKA-EP] FAILED. Error: No
>>>> available task nodes for resolving a task location
>>>> org.wso2.carbon.ntask.common.TaskException: No available task nodes for
>>>> resolving a task location
>>>>     at
>>>> org.wso2.carbon.ntask.core.impl.clustered.ClusteredTaskManager.getTaskLocation(ClusteredTaskManager.java:224)
>>>>     at
>>>> org.wso2.carbon.ntask.core.impl.clustered.ClusteredTaskManager.locateMemberForTask(ClusteredTaskManager.java:201)
>>>>     at
>>>> org.wso2.carbon.ntask.core.impl.clustered.ClusteredTaskManager.getMemberIdFromTaskName(ClusteredTaskManager.java:275)
>>>>     at
>>>> org.wso2.carbon.ntask.core.impl.clustered.ClusteredTaskManager.scheduleTask(ClusteredTaskManager.java:86)
>>>>     at
>>>> org.wso2.carbon.mediation.ntask.NTaskTaskManager.schedule(NTaskTaskManager.java:82)
>>>>     at
>>>> org.wso2.carbon.mediation.ntask.NTaskTaskManager.init(NTaskTaskManager.java:320)
>>>>     at
>>>> org.wso2.carbon.mediation.ntask.NTaskTaskManager.update(NTaskTaskManager.java:332)
>>>>     at
>>>> org.wso2.carbon.mediation.ntask.internal.NtaskService.updateAndCleanupObservers(NtaskService.java:103)
>>>>     at
>>>> org.wso2.carbon.mediation.ntask.internal.NtaskService.setConfigurationContextService(NtaskService.java:96)
>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>     at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>     at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:376)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:432)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:218)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:345)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451)
>>>>     at
>>>> org.wso2.carbon.ntask.core.internal.TasksDSComponent.activate(TasksDSComponent.java:106)
>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>     at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>     at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451)
>>>>     at
>>>> org.wso2.carbon.core.internal.StartupFinalizerServiceComponent.completeInitialization(StartupFinalizerServiceComponent.java:196)
>>>>     at
>>>> org.wso2.carbon.core.internal.StartupFinalizerServiceComponent.serviceChanged(StartupFinalizerServiceComponent.java:285)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451)
>>>>     at
>>>> org.wso2.carbon.throttling.agent.internal.ThrottlingAgentServiceComponent.registerThrottlingAgent(ThrottlingAgentServiceComponent.java:123)
>>>>     at
>>>> org.wso2.carbon.throttling.agent.internal.ThrottlingAgentServiceComponent.activate(ThrottlingAgentServiceComponent.java:100)
>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>     at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>     at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:451)
>>>>     at
>>>> org.wso2.carbon.core.init.CarbonServerManager.initializeCarbon(CarbonServerManager.java:517)
>>>>     at
>>>> org.wso2.carbon.core.init.CarbonServerManager.start(CarbonServerManager.java:219)
>>>>     at
>>>> org.wso2.carbon.core.internal.CarbonCoreServiceComponent.activate(CarbonCoreServiceComponent.java:88)
>>>>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>     at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>     at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
>>>>     at
>>>> org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>>>>     at
>>>> org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
>>>>     at
>>>> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
>>>>     at
>>>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
>>>>     at
>>>> org.eclipse.equinox.http.servlet.internal.Activator.registerHttpService(Activator.java:81)
>>>>     at
>>>> org.eclipse.equinox.http.servlet.internal.Activator.addProxyServlet(Activator.java:60)
>>>>     at
>>>> org.eclipse.equinox.http.servlet.internal.ProxyServlet.init(ProxyServlet.java:40)
>>>>     at
>>>> org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.init(DelegationServlet.java:38)
>>>>     at
>>>> org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1279)
>>>>     at
>>>> org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1192)
>>>>     at
>>>> org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1087)
>>>>     at
>>>> org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5210)
>>>>     at
>>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5493)
>>>>     at
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>>     at
>>>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
>>>>     at
>>>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
>>>>     at
>>>> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>>>>     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>>>>     at
>>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>>>     at
>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>>>     at java.lang.Thread.run(Thread.java:662)
>>>>
>>>>
>>>> Thanks,
>>>> Kathees
>>>>
>>>> --
>>>> Kathees
>>>> Software Engineer,
>>>> email: [email protected]
>>>> mobile: +94772596173
>>>>
>>>
>>>
>>>
>>> --
>>> --
>>> Chanaka Fernando
>>> Technical Lead
>>> WSO2, Inc.; http://wso2.com
>>> lean.enterprise.middleware
>>>
>>> mobile: +94 773337238
>>> Blog : http://soatutorials.blogspot.com
>>> LinkedIn:http://www.linkedin.com/pub/chanaka-fernando/19/a20/5b0
>>> Twitter:https://twitter.com/chanakaudaya
>>> Wordpress:http://chanakaudaya.wordpress.com
>>>
>>>
>>>
>>>
>>>
>>>
>>> --
>>> --
>>> Chanaka Fernando
>>> Technical Lead
>>> WSO2, Inc.; http://wso2.com
>>> lean.enterprise.middleware
>>>
>>> mobile: +94 773337238
>>> Blog : http://soatutorials.blogspot.com
>>> LinkedIn:http://www.linkedin.com/pub/chanaka-fernando/19/a20/5b0
>>> Twitter:https://twitter.com/chanakaudaya
>>> Wordpress:http://chanakaudaya.wordpress.com
>>>
>>>
>>>
>>>
>>
>>
>> --
>> Ravindra Ranwala
>> Software Engineer
>> WSO2, Inc: http://wso2.com
>> <http://www.google.com/url?q=http%3A%2F%2Fwso2.com&sa=D&sntz=1&usg=AFQjCNEZvyc0uMD1HhBaEGCBxs6e9fBObg>
>> Mobile: +94714198770
>>
>>
>
>
> --
> --
> Chanaka Fernando
> Technical Lead
> WSO2, Inc.; http://wso2.com
> lean.enterprise.middleware
>
> mobile: +94 773337238
> Blog : http://soatutorials.blogspot.com
> LinkedIn:http://www.linkedin.com/pub/chanaka-fernando/19/a20/5b0
> Twitter:https://twitter.com/chanakaudaya
> Wordpress:http://chanakaudaya.wordpress.com
>
>
>
>


-- 
Kathees
Software Engineer,
email: [email protected]
mobile: +94772596173
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