This problem went off once i  updated and built the complete platform and
kernel

Thanks
Shammi

On Fri, May 18, 2012 at 2:08 PM, Isuru Wimalasundera <[email protected]>wrote:

> Hi
>
> I am facing a similar kind of situation when restarting the Greg server.
> After a restart I can not open the service list page because from the
> ListMetaDataService it returns a NULL registry. When dig deep the reason
> for returning a NULL registry is identified as the following code segment
> of AbstractAdmin returns a NULL.
>
>
> CarbonContext.getCurrentContext().getRegistry(RegistryType.USER_GOVERNANCE);
>
> the CarbonContext.getCurrentContext() returns a NULL. How is it possible
> to overcome this issue?
>
> Thanks
> Isuruw
>
>
> On Fri, May 18, 2012 at 12:38 PM, Shammi Jayasinghe <[email protected]>wrote:
>
>> Hi ,
>> I am getting following NPE [1]when trying to subscribe to a topic.  It is
>> due to the null value of "CarbonContext.getCurrentContext()" coming from
>> the following method in event.core module. I built the complete platform
>> yesterday. Is this a known issue ?
>>
>> Thanks
>> Shammi
>>
>>    public static String getLoggedInUserName() {
>>         String userName = "";
>>         if (CarbonContext.getCurrentContext().getTenantId() != 0) {
>>             userName = CarbonContext.getCurrentContext().getUsername() +
>> "@"
>>                     + CarbonContext.getCurrentContext().getTenantDomain();
>>         } else {
>>             userName = CarbonContext.getCurrentContext().getUsername();
>>         }
>>         return userName.trim();
>>     }
>>
>>
>>
>>
>> [1]java.lang.NullPointerException
>> at
>> org.wso2.carbon.event.ws.internal.receivers.CarbonEventingMessageReceiver.handleSubscribe(CarbonEventingMessageReceiver.java:175)
>>  at
>> org.wso2.carbon.event.ws.internal.receivers.CarbonEventingMessageReceiver.processMessage(CarbonEventingMessageReceiver.java:386)
>> at
>> org.wso2.carbon.event.ws.internal.receivers.CarbonEventingMessageReceiver.invokeBusinessLogic(CarbonEventingMessageReceiver.java:81)
>>  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:205)
>> 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.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:45)
>>  at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>  at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
>> at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
>>  at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
>> at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
>>  at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
>> at
>> org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:143)
>>  at
>> org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
>> at
>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
>>  at
>> org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:48)
>> at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>  at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
>> at
>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
>>  at
>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
>> at
>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1620)
>>  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)
>> --
>> Best Regards,*
>>
>> Shammi Jayasinghe*
>> Senior Software Engineer; WSO2, Inc.; http://wso2.com,
>> mobile: +94 71 4493085
>>
>>
>>
>> _______________________________________________
>> Dev mailing list
>> [email protected]
>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>
>>
>
>
> --
> *Isuru Wimalasundera*
> Software Engineer;  WSO2, Inc.; http://wso2.com,
>  mobile: +94 77 920 5641
>
>


-- 
Best Regards,*

Shammi Jayasinghe*
Senior Software Engineer; WSO2, Inc.; http://wso2.com,
mobile: +94 71 4493085
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