Re: Write metric error
This seems not the root cause. Try find in kylin.log, there should be another error ahead of this. On Wed, Jun 13, 2018 at 7:03 PM, praveen kumar wrote: > Hi, > I hit Query Against Cube, the Cube return output but kylin log > below error is coming.kindly guide me. > > 2018-06-13 16:23:03,432 WARN [Query 09146ac0-505e-4fa5-92e4-ed53085c2ece-76] > util.MBeans:68 : Failed to register MBean "null" > javax.management.RuntimeOperationsException: Exception occurred trying to > register the MBean > at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor. > registerDynamicMBean(DefaultMBeanServerInterceptor.java:951) > at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject( > DefaultMBeanServerInterceptor.java:900) > at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean( > DefaultMBeanServerInterceptor.java:324) > at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean( > JmxMBeanServer.java:522) > at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:57) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.startMBeans( > MetricsSourceAdapter.java:221) > at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter. > start(MetricsSourceAdapter.java:96) > at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.registerSource( > MetricsSystemImpl.java:245) > at org.apache.hadoop.metrics2.impl.MetricsSystemImpl. > register(MetricsSystemImpl.java:223) > at org.apache.kylin.rest.metrics.QueryMetrics.registerWith( > QueryMetrics.java:128) > at org.apache.kylin.rest.metrics.QueryMetricsFacade.getQueryMetrics( > QueryMetricsFacade.java:275) > at org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetricsToLocal( > QueryMetricsFacade.java:88) > at org.apache.kylin.rest.metrics.QueryMetricsFacade.updateMetrics( > QueryMetricsFacade.java:72) > 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) > at org.apache.catalina.core.ApplicationFilterChain.doFilter( > ApplicationFilterChain.java:208) > at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) > at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( > ApplicationFilterChain.java:241) > at org.apache.catalina.core.ApplicationFilterChain.doFilter( > ApplicationFilterChain.java:208) > at org.springframework.security.web.FilterChainProxy$ > VirtualFilterChain.doFilter(FilterChainProxy.java:317) > at org.springframework.security.web.access.intercept. > FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) > at org.springframework.security.web.access.intercept. > FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) > at org.springframework.security.web.FilterChainProxy$ > VirtualFilterChain.doFilter(FilterChainProxy.java:331) > at org.springframework.security.web.access.ExceptionTranslationFilter. > doFilter(ExceptionTranslationFilter.java:114) > at org.springframework.security.web.FilterChainProxy$ > VirtualFilterChain.doFilter(FilterChainProxy.java:331) >
[Announce] Apache Kylin 2.4.0 released
Hello all, The Apache Kylin team is pleased to announce the immediate availability of the 2.4.0 release. This is a major release after 2.3, with 8 new features and more than 30 bug fixes and enhancements; All of the changes in this release can be found in: https://kylin.apache.org/docs/release_notes.html You can download the source release and binary packages from Apache Kylin's download page: https://kylin.apache.org/download/ Apache Kylin is an open source Distributed Analytics Engine designed to provide SQL interface and multi-dimensional analysis (OLAP) on Apache Hadoop, supporting extremely large datasets. Apache Kylin lets you query massive dataset at sub-second latency in 3 steps: 1. Identify a star schema or snowflake schema data set on Hadoop. 2. Build Cube on Hadoop. 3. Query data with ANSI-SQL and get results in sub-second, via ODBC, JDBC or RESTful API. Thanks to everyone who has contributed to the 2.4.0 release. We welcome your help and feedback. For more information on how to report problems, and to get involved, visit the project website at https://kylin.apache.org/ -- Best regards, Shaofeng Shi 史少锋
