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
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