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https://issues.apache.org/jira/browse/CASSANDRA-16264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brandon Williams updated CASSANDRA-16264:
-----------------------------------------
Resolution: Won't Fix
Status: Resolved (was: Triage Needed)
There are more than 20 point releases after this in the 2.1 and 2.0 lines that
may have fixed this, and both versions are EOL at his point regardless. Please
try newer supported versions and open a new ticket if the behavior reproduces.
> During rolling upgrade from C* 2.0.0 to 2.1.0, upgraded node fails to gossip
> with seed
> --------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16264
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16264
> Project: Cassandra
> Issue Type: Bug
> Reporter: Yongle Zhang
> Priority: Normal
>
> Steps to reproduce:
> # Start a 2-node C* 2.0.0 cluster with one seed
> # upgrade the non-seed node to 2.1.0
> Error stacktrace on upgraded node:
>
> {code:java}
> ERROR [main] 2020-07-22 08:12:53,406 CassandraDaemon.java:474 - Exception
> encountered during startup
> java.lang.RuntimeException: Unable to gossip with any seeds
> at org.apache.cassandra.gms.Gossiper.doShadowRound(Gossiper.java:1200)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.StorageService.checkForEndpointCollision(StorageService.java:451)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.StorageService.prepareToJoin(StorageService.java:667)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:615)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.StorageService.initServer(StorageService.java:509)
> ~[apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:338)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:457)
> [apache-cassandra-2.1.0.jar:2.1.0]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:546)
> [apache-cassandra-2.1.0.jar:2.1.0]
> {code}
> Analysis:
> When a 2.1.0 node tries to make a connection with a 2.0.0 node, the 2.0.0
> node will send an integer representing its version. After receiving this
> integer, the 2.1.0 node will compare it to the guessed version, and will
> update the guessed version and shutdown the connection if it is older than
> the guessed version, then it will make a second trial to connect to the 2.0.0
> node.
> However, the 2.1.0 node somehow got stuck at
> https://github.com/apache/cassandra/blob/c6a2c65a75adea9a62896269da98dd036c8e57f3/src/java/org/apache/cassandra/net/OutboundTcpConnection.java#L138
>
> and was never able to make the second connection trial. And thus the failure.
>
>
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