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https://issues.apache.org/jira/browse/CASSANDRA-16518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17366921#comment-17366921
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Joseph Clay commented on CASSANDRA-16518:
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[~stefan.miklosovic]
We are building cassandra ourselves, the version is actually 3.11.6.1, the last
.1 is our build number, i.e. first build (in case we ever need to differentiate
multiple builds). I definitely saw NULL for version in system.peers for the
joining node, do you think the custom version number causes this? For all UN
nodes the version is properly populated.
Regarding gossip and time, all nodes have NTP which i'm reasonably sure was
working correctly at the time.
> Node restart during joining sets protocol version to V3
> -------------------------------------------------------
>
> Key: CASSANDRA-16518
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16518
> Project: Cassandra
> Issue Type: Bug
> Components: Messaging/Client
> Reporter: Joseph Clay
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 3.11.x
>
>
> While joining nodes to a cluster, an old node crashed. The old node was
> recovered however clients (datastax java) refused to connect to it.
> The driver error:
> {noformat}
> Detected added or restarted Cassandra host /<ip>:<port> but ignoring it since
> it does not support the version V4 of the native protocol which is currently
> in use.{noformat}
> In the recovered node cassandra logs:
> {noformat}
> INFO o.a.c.transport.ConfiguredLimit Detected peers which do not fully
> support protocol V4. Capping max negotiable version to V3{noformat}
> I confirmed that ALL the nodes in the cluster, joining or otherwise, were
> apache-cassandra-3.11.6 so that error message was rather confusing.
> Eventually after digging through the code we got to the bottom of the issue:
> https://issues.apache.org/jira/browse/CASSANDRA-15193 adds a check for node
> version, which reverts the protocol version to V3 if any peer fails the
> version check. Joining nodes have NULL for their version in the peers table,
> which fails the version check.
>
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