[CASSANDRA-3763] compactionstats throws ArithmeticException: / by zero

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Cannot Reproduce
• Component/s: Legacy/Tools

Environment

debian linux - openvz kernel, oracle java 1.6.0.26

• Severity: Low
• Assignee: Unassigned
• Reporter: Zenek Kraweznik
• Created: 20/Jan/12 23:40
• Updated: 16/Apr/19 09:32
• Resolved: 20/Sep/13 20:53

Description

compactionstats looks like this:

1. nodetool -h localhost compactionstats
   Exception in thread "main" java.lang.ArithmeticException: / by zero
   at org.apache.cassandra.db.compaction.LeveledManifest.getEstimatedTasks(LeveledManifest.java:435)
   at org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getEstimatedRemainingTasks(LeveledCompactionStrategy.java:128)
   at org.apache.cassandra.db.compaction.CompactionManager.getPendingTasks(CompactionManager.java:1060)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
   at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
   at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
   at com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:65)
   at com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:216)
   at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:666)
   at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
   at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1404)
   at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
   at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
   at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
   at javax.management.remote.rmi.RMIConnectionImpl.getAttribute(RMIConnectionImpl.java:600)
   at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
   at sun.rmi.transport.Transport$1.run(Transport.java:159)
   at java.security.AccessController.doPrivileged(Native Method)
   at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
   at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
   at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
   at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at java.lang.Thread.run(Thread.java:662)
   #

nodetool is working fine in other actions:

1. nodetool -h localhost netstats
   Mode: NORMAL
   Not sending any streams.
   Not receiving any streams.
   Pool Name Active Pending Completed
   Commands n/a 0 2
   Responses n/a 0 1810
   #