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Ariel Weisberg commented on CASSANDRA-9019: ------------------------------------------- OK I am +1 these changes. > GCInspector detected GC before ThreadPools are initialized > ---------------------------------------------------------- > > Key: CASSANDRA-9019 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9019 > Project: Cassandra > Issue Type: Bug > Reporter: Philip Thompson > Assignee: Yuki Morishita > Fix For: 3.0 > > Attachments: 9019-v2.txt, 9019.txt > > > While running the dtest {{one_all_test (consistency_test.TestConsistency)}}, > I ran into the following exception: > {code} > java.lang.RuntimeException: Error reading: > org.apache.cassandra.metrics:type=ThreadPools,path=request,scope=ReadStage,name=ActiveTasks > at > org.apache.cassandra.metrics.ThreadPoolMetrics.getJmxMetric(ThreadPoolMetrics.java:134) > at org.apache.cassandra.utils.StatusLogger.log(StatusLogger.java:55) > at > org.apache.cassandra.service.GCInspector.handleNotification(GCInspector.java:147) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor$ListenerWrapper.handleNotification(DefaultMBeanServerInterceptor.java:1754) > at > sun.management.NotificationEmitterSupport.sendNotification(NotificationEmitterSupport.java:156) > at > sun.management.GarbageCollectorImpl.createGCNotification(GarbageCollectorImpl.java:150) > Caused by: java.lang.reflect.UndeclaredThrowableException > at com.sun.proxy.$Proxy3.getValue(Unknown Source) > at > org.apache.cassandra.metrics.ThreadPoolMetrics.getJmxMetric(ThreadPoolMetrics.java:123) > ... 5 more > Caused by: javax.management.InstanceNotFoundException: > org.apache.cassandra.metrics:type=ThreadPools,path=request,scope=ReadStage,name=ActiveTasks > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:643) > at > com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:678) > at > javax.management.MBeanServerInvocationHandler.invoke(MBeanServerInvocationHandler.java:267) > ... 7 more > > {code} > Dtest didn't preserve the logs, which implies that this wasn't in the > system.log, but printed to stderr somehow, it's unclear with all the piping > dtest and ccm do. I have yet to reproduce the issue. -- This message was sent by Atlassian JIRA (v6.3.4#6332)