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https://issues.apache.org/jira/browse/CASSANDRA-12253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Aleksey Yeschenko updated CASSANDRA-12253:
------------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 2.2.x)
                   3.0.10
                   3.10
                   2.2.8
           Status: Resolved  (was: Ready to Commit)

> Fix exceptions when enabling gossip on proxy nodes.
> ---------------------------------------------------
>
>                 Key: CASSANDRA-12253
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12253
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Dikang Gu
>            Assignee: Dikang Gu
>            Priority: Minor
>             Fix For: 2.2.8, 3.10, 3.0.10
>
>         Attachments: 0001-for-proxy-node-not-set-gossip-tokens.patch, 
> 0002-for-proxy-node-not-set-gossip-tokens.patch, 
> 0003-for-proxy-node-not-set-gossip-tokens.patch
>
>
> We have a tier of Cassandra nodes running with join_ring=false flag, which we 
> call proxy nodes, and they will never join the ring.
> The problem is that sometimes we need to disable and enable the gossip on 
> those nodes, and `nodetool enablegossip` throws exceptions when we do that:
> {code}
> java.lang.AssertionError
>         at 
> org.apache.cassandra.service.StorageService.getLocalTokens(StorageService.java:2213)
>         at 
> org.apache.cassandra.service.StorageService.startGossiping(StorageService.java:371)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)
>         at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)
>         at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112)
>         at 
> com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46)
>         at 
> com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)
>         at 
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
>         at 
> com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1487)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:97)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1328)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1420)
>         at 
> javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:848)
>         at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
>         at sun.rmi.transport.Transport$1.run(Transport.java:177)
>         at sun.rmi.transport.Transport$1.run(Transport.java:174)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
>         at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)
>         at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)
>         at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> {code}



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