Hi All,

I am getting following exception when starting GREG. I do have several
entries in my /etc/hosts file. Yesterday Evanthika also reported a
similar issue. But I would like to know what is actually causing
following exception.

I am using a pack from trunk build.

Thanks
AmilaJ

[2012-05-10 02:23:06,129] ERROR
{org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager}
-  Could not initialize the DataSource:attachmentds
javax.naming.ServiceUnavailableException [Root exception is
java.rmi.ConnectException: Connection refused to host: localhost;
nested exception is:
        java.net.ConnectException: Connection refused]
        at 
com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:101)
        at 
com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:107)
        at 
org.wso2.carbon.utils.multitenancy.CarbonContextHolder$CarbonInitialJNDIContext.lookup(CarbonContextHolder.java:1060)
        at javax.naming.InitialContext.lookup(InitialContext.java:392)
        at 
org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager.lookupInJNDI(BasicDataSourceManager.java:133)
        at 
org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager.initExternalDb(BasicDataSourceManager.java:116)
        at 
org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager.initDataSource(BasicDataSourceManager.java:111)
        at 
org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager.startDataSource(BasicDataSourceManager.java:104)
        at 
org.wso2.carbon.attachment.mgt.core.datasource.impl.BasicDataSourceManager.start(BasicDataSourceManager.java:71)
        at 
org.wso2.carbon.attachment.mgt.server.AttachmentServer.initDataSource(AttachmentServer.java:92)
        at 
org.wso2.carbon.attachment.mgt.server.AttachmentServer.init(AttachmentServer.java:54)
        at 
org.wso2.carbon.attachment.mgt.server.internal.AttachmentServiceComponent.initAttachmentServer(AttachmentServiceComponent.java:77)
        at 
org.wso2.carbon.attachment.mgt.server.internal.AttachmentServiceComponent.activate(AttachmentServiceComponent.java:116)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.datasource.internal.DataSourceServiceComponent.activate(DataSourceServiceComponent.java:140)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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:99)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.initAllTenantUserDataSources(DataSourceServiceComponent.java:195)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.checkInitTenantUserDataSources(DataSourceServiceComponent.java:180)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.setRegistryService(DataSourceServiceComponent.java:130)
        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:367)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:430)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.registry.core.internal.RegistryCoreServiceComponent.activate(RegistryCoreServiceComponent.java:119)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.user.core.internal.Activator.startDeploy(Activator.java:67)
        at 
org.wso2.carbon.user.core.internal.BundleCheckActivator.start(BundleCheckActivator.java:54)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
        at 
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
        at 
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:389)
        at 
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1130)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
        at 
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
        at 
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
Caused by: java.rmi.ConnectException: Connection refused to host:
localhost; nested exception is:
        java.net.ConnectException: Connection refused
        at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
        at 
sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
        at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
        at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
        at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
        at 
com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:97)
        ... 117 more
Caused by: java.net.ConnectException: Connection refused
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:529)
        at java.net.Socket.connect(Socket.java:478)
        at java.net.Socket.<init>(Socket.java:375)
        at java.net.Socket.<init>(Socket.java:189)
        at 
sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
        at 
sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
        at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
        ... 122 more
[2012-05-10 02:23:06,148]  WARN
{org.wso2.carbon.attachment.mgt.server.AttachmentServer} -  initDAo()
is still not implemented.
[2012-05-10 02:23:06,152] FATAL
{org.wso2.carbon.attachment.mgt.core.dao.AbstractDAOManager} -  DAO
Connection Factory creation failed. Reason:DataSource is not
initialized.
java.lang.NullPointerException: DataSource is not initialized.
        at 
org.wso2.carbon.attachment.mgt.core.datasource.AbstractDataSourceManager.getDataSource(AbstractDataSourceManager.java:37)
        at 
org.wso2.carbon.attachment.mgt.core.dao.AbstractDAOManager.initDAOConnectionFactory(AbstractDAOManager.java:114)
        at 
org.wso2.carbon.attachment.mgt.core.dao.AbstractDAOManager.init(AbstractDAOManager.java:88)
        at 
org.wso2.carbon.attachment.mgt.server.AttachmentServer.initDAO(AttachmentServer.java:77)
        at 
org.wso2.carbon.attachment.mgt.server.AttachmentServer.init(AttachmentServer.java:55)
        at 
org.wso2.carbon.attachment.mgt.server.internal.AttachmentServiceComponent.initAttachmentServer(AttachmentServiceComponent.java:77)
        at 
org.wso2.carbon.attachment.mgt.server.internal.AttachmentServiceComponent.activate(AttachmentServiceComponent.java:116)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.datasource.internal.DataSourceServiceComponent.activate(DataSourceServiceComponent.java:140)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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:99)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.initAllTenantUserDataSources(DataSourceServiceComponent.java:195)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.checkInitTenantUserDataSources(DataSourceServiceComponent.java:180)
        at 
org.wso2.carbon.ndatasource.core.internal.DataSourceServiceComponent.setRegistryService(DataSourceServiceComponent.java:130)
        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:367)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:430)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.dynamicBind(InstanceProcess.java:415)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:319)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.registry.core.internal.RegistryCoreServiceComponent.activate(RegistryCoreServiceComponent.java:119)
        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:252)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
        at 
org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
        at 
org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
        at 
org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:328)
        at 
org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:221)
        at 
org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:104)
        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.user.core.internal.Activator.startDeploy(Activator.java:67)
        at 
org.wso2.carbon.user.core.internal.BundleCheckActivator.start(BundleCheckActivator.java:54)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
        at 
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
        at 
org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:389)
        at 
org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1130)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:438)
        at 
org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:1)
        at 
org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
        at 
org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)



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