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From "Zenek Kraweznik (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-3763) compactionstats throws ArithmeticException: / by zero
Date Fri, 20 Jan 2012 23:40:39 GMT
compactionstats throws ArithmeticException: / by zero
-----------------------------------------------------

                 Key: CASSANDRA-3763
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3763
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
    Affects Versions: 1.0.7
         Environment: debian linux - openvz kernel, oracle java 1.6.0.26
            Reporter: Zenek Kraweznik
            Priority: Minor


compactionstats looks like this:
# 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:
# 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
#

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