It seems the result set is null, and there is a bug which didn't handle this situation. Would you like to report a JIRA to Kylin?
Regarding the dashboard, have you created and build the system cube? Shrikant Bang <[email protected]> 于2018年10月22日周一 上午3:19写道： > Hi Team, > > Query metrics are not getting updated on "host:7070/kylin/dashboard". > I found below stack trace regarding query metrics facade in Kylin logs. > > My Kylin version v2.5 with Hbase v1.x. Am I missing something in > configuration which is causing below error? > > 2018-10-21 18:34:41,625 WARN [Query > 7b16f84c-3053-f64c-2cd2-4ae5348c295c-121] service.QueryService:421 : Write > metric error. > java.lang.NullPointerException > at > org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetricsToReservoir(QueryMetricsFacade.java:148) > at > org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetrics(QueryMetricsFacade.java:73) > at > org.apache.kylin.rest.service.QueryService.recordMetric(QueryService.java:503) > at > org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:419) > at > org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:351) > at > org.apache.kylin.rest.controller.QueryController.query(QueryController.java:86) > at sun.reflect.GeneratedMethodAccessor253.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) > at > org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) > at > org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) > at > org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) > at > org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) > at > org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) > at > org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) > at > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) > at > org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) > at > org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) > at > org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) > > > Thank You, > Shrikant Bang. > -- Best regards, Shaofeng Shi 史少锋
