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https://issues.apache.org/jira/browse/CASSANDRA-18935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17787305#comment-17787305
 ] 

Brandon Williams commented on CASSANDRA-18935:
----------------------------------------------

bq. So what is the difference if we set that RPC to false when it is really not 
enabled?

Counter writes will fail.  Whether or not RPC is actually enabled has no 
effect, counters just want the flag.

> Fix nodetool enable/disablebinary to correctly set rpc
> ------------------------------------------------------
>
>                 Key: CASSANDRA-18935
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18935
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Core, Legacy/CQL
>            Reporter: Cameron Zemek
>            Assignee: Stefan Miklosovic
>            Priority: Normal
>             Fix For: 3.0.x, 3.11.x, 4.0.x, 4.1.x, 5.0-rc, 5.x
>
>         Attachments: 18935-3.11.patch, image-2023-11-16-10-56-16-693.png
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
>  
> {code:java}
>         if ((nativeFlag != null && Boolean.parseBoolean(nativeFlag)) || 
> (nativeFlag == null && DatabaseDescriptor.startNativeTransport()))
>         {
>             startNativeTransport();
>             StorageService.instance.setRpcReady(true);
>         } {code}
> The startup code here only sets RpcReady if native transport is enabled. If 
> you call 
> {code:java}
> nodetool enablebinary{code}
> then this flag doesn't get set.
> But with the change from CASSANDRA-13043 it requires RpcReady set to true in 
> order to get a leader for the counter update.
> Not sure what the correct fix is here, seems to only really use this flag for 
> counters. So thinking perhaps the fix is to just move this outside the if 
> condition.
>  



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