Hi Kavinda, I think this issue is due to session time out. Found same kind of issue dicussed in "[Dev] DSS:The input stream for an incoming message is null" thread [1] and related JIRA [2].
[1] http://wso2-oxygen-tank.10903.n7.nabble.com/Dev-DSS-The-input-stream-for-an-incoming-message-is-null-td93325.html [2] https://wso2.org/jira/browse/WSAS-1549?jql=text%20~%20%22ERROR%20org.wso2.carbon.statistics.ui.StatisticsAdminClient%20Cannot%20get%20service%20stats%22 Regards, Chanuka. On Mon, Feb 16, 2015 at 6:44 PM, Kavinda <vi...@wso2.com> wrote: > Hi all, > I have setup DSS samples according to the [1]. For all of these sample > services when I click on the "Try it", server returns following exception > and it does not generate correct request format for the Try it editor. > > Anyway services seem to be working if I send a correct request. > Any idea? > > I'm using DSS 3.2.2 with JDK 1.6. > > *The following error details are available. Please refer logs for more > details.* > java.rmi.RemoteException: Cannot get service stats for service > samples/NestedQuerySample. Backend server may be unavailable.; nested > exception is: > org.apache.axis2.AxisFault: The input stream for an incoming message is > null. > at > org.wso2.carbon.statistics.ui.StatisticsAdminClient.handleException(StatisticsAdminClient.java:103) > at > org.wso2.carbon.statistics.ui.StatisticsAdminClient.getServiceStatistics(StatisticsAdminClient.java:84) > at > org.apache.jsp.statistics.service_005fstats_005fajaxprocessor_jsp._jspService(org.apache.jsp.statistics.service_005fstats_005fajaxprocessor_jsp:107) > at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) > at > org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403) > at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492) > at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) > at org.wso2.carbon.ui.JspServlet.service(JspServlet.java:155) > at org.wso2.carbon.ui.TilesJspServlet.service(TilesJspServlet.java:80) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) > at > org.eclipse.equinox.http.helper.ContextPathServletAdaptor.service(ContextPathServletAdaptor.java:37) > at > org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:128) > at > org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:68) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) > at > org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.service(DelegationServlet.java:68) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > at > org.wso2.carbon.tomcat.ext.filter.CharacterSetFilter.doFilter(CharacterSetFilter.java:61) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178) > at > org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:49) > at > org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141) > at > org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936) > at > org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52) > 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:1004) > at > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) > at > org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) > at java.lang.Thread.run(Thread.java:695) > Caused by: org.apache.axis2.AxisFault: The input stream for an incoming > message is null. > at > org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:93) > at > org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:68) > at > org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:348) > at > org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:445) > at > org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225) > at > org.apache.axis2.client.OperationClient.execute(OperationClient.java:149) > at > org.wso2.carbon.statistics.stub.StatisticsAdminStub.getServiceStatistics(StatisticsAdminStub.java:3893) > at > org.wso2.carbon.statistics.ui.StatisticsAdminClient.getServiceStatistics(StatisticsAdminClient.java:77) > ... 40 more > > [1] - https://docs.wso2.com/display/DSS322/Samples+Setup > -- > Vinod Kavinda > *Software Engineer* > *WSO2, Inc <http://www.wso2.com>.* > Mobile : +94 (0) 712 415544 > vi...@wso2.com > > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Chanuka Dissanayake *Software Engineer | **WSO2 Inc.*; http://wso2.com Mobile: +94 71 33 63 596 Email: chan...@wso2.com
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