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From "Brandon Williams (Jira)" <>
Subject [jira] [Commented] (CASSANDRA-16718) Changing listen_address with prefer_local may lead to issues
Date Wed, 01 Sep 2021 22:16:00 GMT


Brandon Williams commented on CASSANDRA-16718:

This has been broken since CASSANDRA-10134, though I'm not sure how yet.  What is strange
to me is that this issue persists even if both nodes are restarted, so something is being
persisted incorrectly here.  I'll have to look more tomorrow.

> Changing listen_address with prefer_local may lead to issues
> ------------------------------------------------------------
>                 Key: CASSANDRA-16718
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Config
>            Reporter: Jan Karlsson
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 3.11.x, 4.0.x
> Many container based solution function by assigning new listen_addresses when nodes are
stopped. Changing the listen_address is usually as simple as turning off the node and changing
the yaml file. 
> However, if prefer_local is enabled, I observed that nodes were unable to join the cluster
and fail with 'Unable to gossip with any seeds'. 
> Trace shows that the changing node will try to communicate with the existing node but
the response is never received. I assume it is because the existing node attempts to communicate
with the local address during the shadow round.

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