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From Sylvain Lebresne <sylv...@datastax.com>
Subject Re: NullPointerException when requesting compactionstats through nodetool
Date Thu, 07 Jun 2012 07:08:59 GMT
On Thu, Jun 7, 2012 at 1:49 AM, sj.climber <sj.climber@gmail.com> wrote:
> Looking at the data file directory, it's clear that the major compaction is
> progressing.  However, I am unable to get stats on the compaction.  More
> specifically, "nodetool -h host1 compactionstats" yields the following
> NullPointerException.

Obviously, that shouldn't happen so that's a bug. Would you mind
opening a ticket on https://issues.apache.org/jira/browse/CASSANDRA
with that stack trace.

Thanks,
Sylvain

>
> Exception in thread "main" java.lang.NullPointerException
>        at
> org.apache.cassandra.db.compaction.CompactionInfo.asMap(CompactionInfo.java:103)
>        at
> org.apache.cassandra.db.compaction.CompactionManager.getCompactions(CompactionManager.java:1115)
>        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.GeneratedMethodAccessor12.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:303)
>        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)
>
> Ideas?  Thanks in advance!
>
> --
> View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/NullPointerException-when-requesting-compactionstats-through-nodetool-tp7580370.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com.

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