[KYLIN-3409] Write metric error when run a query.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.6.5, v3.1.0
• Assignee: Alexander
• Reporter: praveenece
• Created: 13/Jun/18 11:55
• Updated: 31/Jul/20 12:03
• Resolved: 23/Dec/19 13:18

Description

Hi,
I hit query(using sub query) against Cube the below exception is coming in kylin log
but kylin UI response output.
why its coming?

2018-06-13 17:15:51,153 WARN [Query 707b91e9-bcaa-46ef-be66-e7b74a3442d0-69] service.QueryService:471 : Write metric error.
java.lang.NullPointerException
at org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetricsToReservoir(QueryMetricsFacade.java:125)
at org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetrics(QueryMetricsFacade.java:73)
at org.apache.kylin.rest.service.QueryService.recordMetric(QueryService.java:560)
at org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:469)
at org.apache.kylin.rest.service.QueryService.doQueryWithCache(QueryService.java:390)
at org.apache.kylin.rest.controller.QueryController.query(QueryController.java:86)
at sun.reflect.GeneratedMethodAccessor313.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)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)

Issue Links

• is duplicated by: KYLIN-4161 exception in update metrics when the response is null