[ 
https://issues.apache.org/jira/browse/STRATOS-908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182444#comment-14182444
 ] 

Martin Eppel commented on STRATOS-908:
--------------------------------------

It's on 4.2 (4.0.0-grouping branch)

> Stratos fails to activate autoscaler component
> ----------------------------------------------
>
>                 Key: STRATOS-908
>                 URL: https://issues.apache.org/jira/browse/STRATOS-908
>             Project: Stratos
>          Issue Type: Bug
>          Components: Autoscaler
>    Affects Versions: 4.2.0, 4.2.0 M3
>            Reporter: Martin Eppel
>            Priority: Blocker
>
> During startup stratos throws following exception and fails to activate 
> autoscaler
> TID: [0] [STRATOS] [2014-10-23 21:21:38,744]  INFO 
> {org.wso2.carbon.registry.core.internal.RegistryCoreServiceComponent} -  
> Registry Mode    : READ-WRITE 
> {org.wso2.carbon.registry.core.internal.RegistryCoreServiceComponent}TID: [0] 
> [STRATOS] [2014-10-23 21:21:38,766] DEBUG 
> {org.apache.stratos.autoscaler.internal.AutoscalerServerComponent} -  Setting 
> the Registry Service 
> {org.apache.stratos.autoscaler.internal.AutoscalerServerComponent}TID: [0] 
> [STRATOS] [2014-10-23 21:21:38,800] ERROR 
> {org.apache.stratos.autoscaler.internal.AutoscalerServerComponent} -  Error 
> in activating the autoscaler component  
> {org.apache.stratos.autoscaler.internal.AutoscalerServerComponent}java.lang.RuntimeException:
>  Unknown event listener        at 
> org.apache.stratos.messaging.message.processor.topology.TopologyMessageProcessorChain.addEventListener(TopologyMessageProcessorChain.java:199)
>         at 
> org.apache.stratos.messaging.message.receiver.topology.TopologyEventMessageDelegator.addEventListener(TopologyEventMessageDelegator.java:48)
>         at 
> org.apache.stratos.messaging.message.receiver.topology.TopologyEventReceiver.addEventListener(TopologyEventReceiver.java:46)
>         at 
> org.apache.stratos.autoscaler.message.receiver.topology.AutoscalerTopologyEventReceiver.addEventListeners(AutoscalerTopologyEventReceiver.java:245)
>         at 
> org.apache.stratos.autoscaler.message.receiver.topology.AutoscalerTopologyEventReceiver.<init>(AutoscalerTopologyEventReceiver.java:64)
>         at 
> org.apache.stratos.autoscaler.internal.AutoscalerServerComponent.activate(AutoscalerServerComponent.java:61)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        
> at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         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.ndatasource.core.internal.DataSourceServiceComponent.registerServices(DataSourceServiceComponent.java:125)
>         at 
> org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.initSuperTenantUserDataSources(DataSourceServiceComponent.java:220)
>         at 
> org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.checkInitTenantUserDataSources(DataSourceServiceComponent.java:205)
>         at 
> org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.setRegistryService(DataSourceServiceComponent.java:156)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
>        at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)        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.InstanceProcess.dynamicBind(InstanceProcess.java:416)
>         at 
> org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:334)       
>  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.wso2.carbon.registry.core.internal.RegistryCoreServiceComponent.activate(RegistryCoreServiceComponent.java:120)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         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.wso2.carbon.user.core.internal.Activator.startDeploy(Activator.java:70)
>         at 
> org.wso2.carbon.user.core.internal.BundleCheckActivator.start(BundleCheckActivator.java:61)
>         at 
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at 
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
>         at 
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
>         at 
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
>         at 
> org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:390)
>         at 
> org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1176)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
>         at 
> org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
>         at 
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>         at 
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)TID:
>  [0] [STRATOS] [2014-10-23 21:21:38,875]  INFO 
> {org.wso2.carbon.event.output.adaptor.mysql.internal.ds.MysqlEventAdaptorServiceDS}
>  -  Successfully deployed the output mysql event adaptor service 
> {org.wso2.carbon.event.output.adaptor.mysql.internal.ds.MysqlEventAdaptorServiceDS}TID:
>  [0] [STRATOS] [2014-10-23 21:21:38,877]  INFO 
> {org.wso2.carbon.event.processor.siddhi.extension.internal.SiddhiExtensionDS} 
> -  Successfully activated Property Window 
> {org.wso2.carbon.event.processor.siddhi.extension.internal.SiddhiExtensionDS}



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