Seems like somebody has set a NULL AxisObserver in ESB. Debug the
addObserver method in AxisConfiguration and find out who is adding this NULL
AxisObserver

On Thu, May 26, 2011 at 7:37 PM, Kasun Indrasiri <[email protected]> wrote:

> Reproducible in ESB RC1 [1]
>
> [1] https://wso2.org/jira/browse/CARBON-10365
>
>
> On Thu, May 26, 2011 at 4:09 PM, Kasun Indrasiri <[email protected]> wrote:
>
>> According to Isuru, we don't see this in AS. He will have a look.
>>
>>
>> On Thu, May 26, 2011 at 3:20 PM, Kasun Indrasiri <[email protected]> wrote:
>>
>>>
>>> We got this while updating a proxy service config on local build.
>>> However, this can be reproduce even if we deactivate echo service etc.
>>>
>>> [2011-05-26 15:04:46,502] ERROR - AxisConfiguration Error occured while
>>> notifying observer
>>> java.lang.NullPointerException
>>> at
>>> org.apache.axis2.engine.AxisConfiguration.notifyObservers(AxisConfiguration.java:670)
>>> at
>>> org.apache.axis2.description.AxisDescription.engageModule(AxisDescription.java:441)
>>>  at
>>> org.wso2.carbon.core.persistence.ServicePersistenceManager.handleExistingServiceInit(ServicePersistenceManager.java:432)
>>> at
>>> org.wso2.carbon.core.deployment.DeploymentInterceptor.serviceUpdate(DeploymentInterceptor.java:263)
>>>  at
>>> org.apache.axis2.engine.AxisConfiguration.notifyObservers(AxisConfiguration.java:657)
>>> at
>>> org.apache.axis2.engine.AxisConfiguration.addServiceGroup(AxisConfiguration.java:411)
>>>  at
>>> org.apache.axis2.engine.AxisConfiguration.addService(AxisConfiguration.java:341)
>>> at
>>> org.apache.synapse.core.axis2.ProxyService.buildAxisService(ProxyService.java:566)
>>>  at
>>> org.wso2.carbon.proxyadmin.service.ProxyServiceAdmin.addProxyService(ProxyServiceAdmin.java:220)
>>> at
>>> org.wso2.carbon.proxyadmin.service.ProxyServiceAdmin.modifyProxyService(ProxyServiceAdmin.java:311)
>>>  at
>>> org.wso2.carbon.proxyadmin.service.ProxyServiceAdmin.modifyProxy(ProxyServiceAdmin.java:656)
>>> 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.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212)
>>>  at
>>> org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117)
>>> at
>>> org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
>>>  at
>>> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
>>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
>>>  at
>>> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
>>> at
>>> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)
>>>  at
>>> org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:206)
>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
>>>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>> at
>>> org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90)
>>>  at
>>> org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111)
>>> at
>>> org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:67)
>>>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>> at org.wso2.carbon.bridge.BridgeServlet.service(BridgeServlet.java:155)
>>>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>> at
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
>>>  at
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> at
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
>>>  at
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
>>> at
>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>>>  at
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
>>> at
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>>>  at org.wso2.carbon.server.TomcatServer$1.invoke(TomcatServer.java:241)
>>> at
>>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
>>>  at
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>> at
>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)
>>>  at
>>> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:396)
>>> at
>>> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:356)
>>>  at
>>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1534)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>>  at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>> at java.lang.Thread.run(Thread.java:619)
>>>
>>>
>>> --
>>> Kasun Indrasiri
>>> Senior Software Engineer
>>> WSO2, Inc.; http://wso2.com
>>> lean.enterprise.middleware
>>>
>>> cell: +94 71 536 4128
>>> Blog : http://kasunpanorama.blogspot.com/
>>>
>>
>>
>>
>> --
>> Kasun Indrasiri
>> Senior Software Engineer
>> WSO2, Inc.; http://wso2.com
>> lean.enterprise.middleware
>>
>> cell: +94 71 536 4128
>> Blog : http://kasunpanorama.blogspot.com/
>>
>
>
>
> --
> Kasun Indrasiri
> Senior Software Engineer
> WSO2, Inc.; http://wso2.com
> lean.enterprise.middleware
>
> cell: +94 71 536 4128
> Blog : http://kasunpanorama.blogspot.com/
>
> _______________________________________________
> Carbon-dev mailing list
> [email protected]
> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
>
>


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