[ 
https://issues.apache.org/jira/browse/AIRAVATA-507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Heshan Suriyaarachchi resolved AIRAVATA-507.
--------------------------------------------

    Resolution: Fixed

Tested this in fresh build and did not come across this. Therefore closing the 
issue. 
                
> NPE when deploying Airavata on Tomcat
> -------------------------------------
>
>                 Key: AIRAVATA-507
>                 URL: https://issues.apache.org/jira/browse/AIRAVATA-507
>             Project: Airavata
>          Issue Type: Bug
>    Affects Versions: 0.4-INCUBATING
>         Environment: apache-tomcat-7.0.28
> JDK 1.6
> Ubuntu 10.04
>            Reporter: Heshan Suriyaarachchi
>            Assignee: Saminda Wijeratne
>            Priority: Blocker
>             Fix For: 0.4-INCUBATING
>
>
> The server sucsessfully starts but afterwards I get NPE
> 2012-07-02 14:09:50.849 INFO  [localhost-startStop-1] 
> RepositoryAccessServlet.java:98 RepositoryAccessServlet initialized.
> 2012-07-02 14:09:50.852 INFO  [localhost-startStop-1] 
> AbstractWebdavServlet.java:157 authenticate-header = Basic realm="Jackrabbit 
> Webdav Server"
> 2012-07-02 14:09:50.853 INFO  [localhost-startStop-1] 
> AbstractWebdavServlet.java:162 csrf-protection = null
> 2012-07-02 14:09:50.853 INFO  [localhost-startStop-1] 
> SimpleWebdavServlet.java:144 resource-path-prefix = '/repository'
> 2012-07-02 14:09:51.339 INFO  [localhost-startStop-1] 
> AbstractWebdavServlet.java:157 authenticate-header = Basic realm="Jackrabbit 
> Webdav Server"
> 2012-07-02 14:09:51.339 INFO  [localhost-startStop-1] 
> AbstractWebdavServlet.java:162 csrf-protection = null
> Jul 2, 2012 2:09:51 PM org.apache.catalina.startup.HostConfig deployDirectory
> INFO: Deploying web application directory 
> /home/heshan/Dev/setup/gw8/apache-tomcat-7.0.28/webapps/examples
> Jul 2, 2012 2:09:51 PM org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["http-bio-8090"]
> Jul 2, 2012 2:09:51 PM org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["ajp-bio-8009"]
> Jul 2, 2012 2:09:51 PM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 6247 ms
> 12566 [Thread-8] ERROR org.apache.airavata.wsmg.broker.BrokerServiceLifeCycle 
> - null
> java.lang.NullPointerException
>       at 
> org.apache.airavata.common.utils.ServiceUtils.generateServiceURLFromConfigurationContext(ServiceUtils.java:44)
>       at 
> org.apache.airavata.wsmg.broker.BrokerServiceLifeCycle$1.run(BrokerServiceLifeCycle.java:162)
> java.lang.NullPointerException
> 12620 [Thread-22] ERROR org.apache.airavata.services.gfac.axis2.GFacService - 
> Error saving GFac descriptor
> org.apache.airavata.common.registry.api.exception.RegistryException: Error 
> while saving GFac Descriptor to the registry!!!
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:651)
>       at 
> org.apache.airavata.services.gfac.axis2.GFacService$GFacThread.run(GFacService.java:190)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.rmi.server.ServerRepository.login(ServerRepository.java:104)
>       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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>       at sun.rmi.transport.Transport$1.run(Transport.java:159)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
>       at 
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
>       at 
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
>       at org.apache.jackrabbit.rmi.server.ServerRepository_Stub.login(Unknown 
> Source)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:165)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:203)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:305)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:638)
>       ... 1 more
> 12820 [Thread-13] ERROR 
> org.apache.airavata.wsmg.msgbox.MsgBoxServiceLifeCycle - null
> java.lang.NullPointerException
>       at 
> org.apache.airavata.common.utils.ServiceUtils.generateServiceURLFromConfigurationContext(ServiceUtils.java:44)
>       at 
> org.apache.airavata.wsmg.msgbox.MsgBoxServiceLifeCycle$1.run(MsgBoxServiceLifeCycle.java:119)
> java.lang.NullPointerException
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.rmi.server.ServerRepository.login(ServerRepository.java:104)
>       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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>       at sun.rmi.transport.Transport$1.run(Transport.java:159)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
>       at 
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
>       at 
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
>       at org.apache.jackrabbit.rmi.server.ServerRepository_Stub.login(Unknown 
> Source)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:165)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:203)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:305)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.getHostDescription(AiravataJCRRegistry.java:251)
>       at 
> org.apache.airavata.xbaya.interpretor.WorkflowInterpretorSkeleton$1.run(WorkflowInterpretorSkeleton.java:176)
> org.apache.airavata.registry.api.exception.HostDescriptionRetrieveException: 
> Error occured while attempting to retrieve existing hosts
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.getHostDescription(AiravataJCRRegistry.java:262)
>       at 
> org.apache.airavata.xbaya.interpretor.WorkflowInterpretorSkeleton$1.run(WorkflowInterpretorSkeleton.java:176)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.rmi.server.ServerRepository.login(ServerRepository.java:104)
>       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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>       at sun.rmi.transport.Transport$1.run(Transport.java:159)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
>       at 
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
>       at 
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
>       at org.apache.jackrabbit.rmi.server.ServerRepository_Stub.login(Unknown 
> Source)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:165)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:203)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:305)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.getHostDescription(AiravataJCRRegistry.java:251)
>       ... 1 more
> Exception in thread "Thread-10" java.lang.NullPointerException
>       at 
> org.apache.airavata.common.utils.ServiceUtils.generateServiceURLFromConfigurationContext(ServiceUtils.java:44)
>       at 
> org.apache.airavata.xbaya.interpretor.WorkflowInterpretorSkeleton$1.run(WorkflowInterpretorSkeleton.java:204)
> java.lang.NullPointerException
> 22644 [Thread-22] ERROR org.apache.airavata.services.gfac.axis2.GFacService - 
> Error saving GFac descriptor
> org.apache.airavata.common.registry.api.exception.RegistryException: Error 
> while saving GFac Descriptor to the registry!!!
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:651)
>       at 
> org.apache.airavata.services.gfac.axis2.GFacService$GFacThread.run(GFacService.java:190)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.rmi.server.ServerRepository.login(ServerRepository.java:104)
>       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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>       at sun.rmi.transport.Transport$1.run(Transport.java:159)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
>       at 
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
>       at 
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
>       at org.apache.jackrabbit.rmi.server.ServerRepository_Stub.login(Unknown 
> Source)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:165)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:203)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:305)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:638)
>       ... 1 more
> java.lang.NullPointerException
> 32666 [Thread-22] ERROR org.apache.airavata.services.gfac.axis2.GFacService - 
> Error saving GFac descriptor
> org.apache.airavata.common.registry.api.exception.RegistryException: Error 
> while saving GFac Descriptor to the registry!!!
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:651)
>       at 
> org.apache.airavata.services.gfac.axis2.GFacService$GFacThread.run(GFacService.java:190)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.commons.repository.ProxyRepository.login(ProxyRepository.java:198)
>       at 
> org.apache.jackrabbit.rmi.server.ServerRepository.login(ServerRepository.java:104)
>       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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>       at sun.rmi.transport.Transport$1.run(Transport.java:159)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
>       at 
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
>       at 
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142)
>       at org.apache.jackrabbit.rmi.server.ServerRepository_Stub.login(Unknown 
> Source)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:165)
>       at 
> org.apache.jackrabbit.rmi.client.ClientRepository.login(ClientRepository.java:203)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:305)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.saveGFacDescriptor(AiravataJCRRegistry.java:638)
>       ... 1 more
> ^CJul 2, 2012 2:10:22 PM org.apache.coyote.AbstractProtocol pause
> INFO: Pausing ProtocolHandler ["http-bio-8090"]
> javax.jcr.RepositoryException: Failed to read the resource at URL 
> http://localhost:8090/jackrabbit-webapp-2.4.0/rmi
>       at 
> org.apache.jackrabbit.rmi.repository.RmiRepositoryFactory.getUrlRepository(RmiRepositoryFactory.java:97)
>       at 
> org.apache.jackrabbit.rmi.repository.RmiRepositoryFactory.getRepository(RmiRepositoryFactory.java:66)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.resetSession(JCRRegistry.java:302)
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getSession(JCRRegistry.java:272)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.deleteGFacDescriptor(AiravataJCRRegistry.java:663)
>       at 
> org.apache.airavata.services.gfac.axis2.GFacService.shutDown(GFacService.java:165)
>       at 
> org.apache.axis2.engine.ListenerManager.stop(ListenerManager.java:205)
>       at 
> org.apache.axis2.engine.ListenerManager$ListenerManagerShutdownThread.run(ListenerManager.java:288)
> Caused by: java.io.IOException: Server returned HTTP response code: 503 for 
> URL: http://localhost:8090/jackrabbit-webapp-2.4.0/rmi
>       at 
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436)
>       at java.net.URL.openStream(URL.java:1010)
>       at 
> org.apache.jackrabbit.rmi.repository.RmiRepositoryFactory.getUrlRepository(RmiRepositoryFactory.java:78)
>       ... 7 more
> java.lang.NullPointerException
> 35561 [Thread-16] ERROR org.apache.airavata.services.gfac.axis2.GFacService - 
> Error while shutting down!!!
> org.apache.airavata.common.registry.api.exception.RegistryException: Error 
> while deleting GFac Descriptions from registry!!!
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.deleteGFacDescriptor(AiravataJCRRegistry.java:673)
>       at 
> org.apache.airavata.services.gfac.axis2.GFacService.shutDown(GFacService.java:165)
>       at 
> org.apache.axis2.engine.ListenerManager.stop(ListenerManager.java:205)
>       at 
> org.apache.axis2.engine.ListenerManager$ListenerManagerShutdownThread.run(ListenerManager.java:288)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.airavata.common.registry.api.impl.JCRRegistry.getRootNode(JCRRegistry.java:255)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.getMetadataNode(AiravataJCRRegistry.java:628)
>       at 
> org.apache.airavata.registry.api.impl.AiravataJCRRegistry.deleteGFacDescriptor(AiravataJCRRegistry.java:664)
>       ... 3 more
> 35561 [Thread-16] INFO org.apache.airavata.wsmg.broker.BrokerServiceLifeCycle 
> - broker shutting down
> 35562 [Thread-7] WARN 
> org.apache.airavata.wsmg.commons.storage.WsmgPersistantStorage - Queue is 
> interrupted to close
> 35562 [Thread-7] WARN org.apache.airavata.wsmg.messenger.DeliveryProcessor - 
> Unexpected_exception:
> 35562 [Thread-16] INFO 
> org.apache.airavata.wsmg.commons.storage.ConnectionPool - Connection Pool 
> Shutting down
> 35562 [Thread-5] INFO org.apache.airavata.wsmg.commons.storage.ConnectionPool 
> - Clean up thread is interrupted to close
> 35563 [Thread-4] INFO org.apache.airavata.wsmg.commons.storage.ConnectionPool 
> - Fill up thread is interrupted to close
> 35564 [Thread-16] INFO 
> org.apache.airavata.wsmg.commons.storage.ConnectionPool - All connection is 
> closed
> 35564 [Thread-16] INFO 
> org.apache.airavata.wsmg.commons.storage.ConnectionPool - Connection Pool 
> Shutdown
> 35565 [Thread-16] INFO org.apache.airavata.wsmg.messenger.ConsumerUrlManager 
> - Stop ConsumerUrlManager
> 35565 [Thread-16] INFO org.apache.airavata.wsmg.messenger.ConsumerUrlManager 
> - ConsumerUrlManager Stopped
> Exception in thread "Thread-16" java.lang.NullPointerException
>       at 
> org.apache.airavata.wsmg.broker.BrokerServiceLifeCycle.shutDown(BrokerServiceLifeCycle.java:105)
>       at 
> org.apache.axis2.engine.ListenerManager.stop(ListenerManager.java:205)
>       at 
> org.apache.axis2.engine.ListenerManager$ListenerManagerShutdownThread.run(ListenerManager.java:288)
> Jul 2, 2012 2:10:22 PM org.apache.coyote.AbstractProtocol pause
> INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
> Jul 2, 2012 2:10:23 PM org.apache.catalina.core.StandardService stopInternal
> INFO: Stopping service Catalina
> 2012-07-02 14:10:23.109 INFO  [localhost-startStop-2] 
> RepositoryStartupServlet.java:260 Shutdown: Repository already stopped.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesJdbc
> SEVERE: The web application [/jackrabbit-webapp-2.4.0] registered the JDBC 
> driver [org.apache.derby.jdbc.AutoloadedDriver] but failed to unregister it 
> when the web application was stopped. To prevent a memory leak, the JDBC 
> Driver has been forcibly unregistered.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesJdbc
> SEVERE: The web application [/axis2] registered the JDBC driver 
> [org.apache.derby.jdbc.AutoloadedDriver] but failed to unregister it when the 
> web application was stopped. To prevent a memory leak, the JDBC Driver has 
> been forcibly unregistered.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Timer-0] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-11] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-12] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Timer-2] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-15] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-18] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-19] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-20] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-21] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-22] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-23] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [pool-2-thread-1] but has failed to stop it. This is very likely to create a 
> memory leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-24] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-25] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-26] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> clearReferencesThreads
> SEVERE: The web application [/axis2] appears to have started a thread named 
> [Thread-27] but has failed to stop it. This is very likely to create a memory 
> leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> checkThreadLocalMapForLeaks
> SEVERE: The web application [/axis2] created a ThreadLocal with key of type 
> [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@57f68d7c]) and a value 
> of type [org.apache.derby.iapi.services.context.ContextManager] (value 
> [org.apache.derby.iapi.services.context.ContextManager@5738ec91]) but failed 
> to remove it when the web application was stopped. Threads are going to be 
> renewed over time to try and avoid a probable memory leak.
> Jul 2, 2012 2:10:23 PM org.apache.catalina.loader.WebappClassLoader 
> checkThreadLocalMapForLeaks
> SEVERE: The web application [/axis2] created a ThreadLocal with key of type 
> [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@57f68d7c]) and a value 
> of type [org.apache.derby.iapi.services.context.ContextManager] (value 
> [org.apache.derby.iapi.services.context.ContextManager@2778c490]) but failed 
> to remove it when the web application was stopped. Threads are going to be 
> renewed over time to try and avoid a probable memory leak.
> Jul 2, 2012 2:10:23 PM org.apache.coyote.AbstractProtocol stop
> INFO: Stopping ProtocolHandler ["http-bio-8090"]
> Jul 2, 2012 2:10:23 PM org.apache.coyote.AbstractProtocol stop
> INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
> Jul 2, 2012 2:10:23 PM org.apache.coyote.AbstractProtocol destroy
> INFO: Destroying ProtocolHandler ["http-bio-8090"]
> Jul 2, 2012 2:10:23 PM org.apache.coyote.AbstractProtocol destroy
> INFO: Destroying ProtocolHandl

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