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From "Michael Shuler (JIRA)" <>
Subject [jira] [Resolved] (CASSANDRA-7830) Decommissioning fails on a live node
Date Tue, 18 Nov 2014 00:24:33 GMT


Michael Shuler resolved CASSANDRA-7830.
       Resolution: Not a Problem
    Reproduced In: 2.0.11, 2.0.3  (was: 2.0.3, 2.0.11)

In this case, the error is clear: "data is currently moving to this node; unable to leave
the ring"

Without knowing clearly what ring changes were made and the statuses, etc., it's difficult
to tell why that occurred. In addition, at this point, the node is gone, so it would be difficult
to troubleshoot any longer  :)

> Decommissioning fails on a live node
> ------------------------------------
>                 Key: CASSANDRA-7830
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Ananthkumar K S
> {code}Exception in thread "main" java.lang.UnsupportedOperationException: data is currently
moving to this node; unable to leave the ring at org.apache.cassandra.service.StorageService.decommission(
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(
at sun.reflect.DelegatingMethodAccessorImpl.invoke( at
java.lang.reflect.Method.invoke( at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(
at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(
at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM( at com.sun.jmx.mbeanserver.PerInterface.invoke(
at com.sun.jmx.mbeanserver.MBeanSupport.invoke( at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke( at
at$300( at$
at at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown
Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(
at java.lang.reflect.Method.invoke( at sun.rmi.server.UnicastServerRef.dispatch(
at sun.rmi.transport.Transport$ at sun.rmi.transport.Transport$
at Method) at sun.rmi.transport.Transport.serviceCall(
at sun.rmi.transport.tcp.TCPTransport.handleMessages( at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(
at sun.rmi.transport.tcp.TCPTransport$ at java.util.concurrent.ThreadPoolExecutor.runWorker(
at java.util.concurrent.ThreadPoolExecutor$ at{code}
> I got the following exception when i was trying to decommission a live node. There is
no reference in the manual saying that i need to stop the data coming into this node. Even
then, decommissioning is specified for live nodes.
> Can anyone let me know if am doing something wrong or if this is a bug on cassandra part?
> Cassandra Version Used : 2.0.3

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