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https://issues.apache.org/jira/browse/CASSANDRA-17594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17539817#comment-17539817
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Brandon Williams commented on CASSANDRA-17594:
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bq. so if you were bitten by it... upgrade to 4.0?
3.0 and 3.11 are supported for another year, so I'm not sure we can suggest
upgrading to get around bugs if this happens.
> Fix flaky python-tests due to connection getting closed
> -------------------------------------------------------
>
> Key: CASSANDRA-17594
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17594
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: NA
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> We log unknown exceptions at the networking level, which includes case where
> the remote side closes the connection (such as the cases caused by shutting
> down), depending on how quickly the instances shutdown, this could cause
> python-dtest to fail for random tests with a message such as
> {code}
> Unexpected error found in node logs (see stdout for full details). Errors:
> [WARN [epollEventLoopGroup-5-9] 2022-05-03T16:47:03,800
> ExceptionHandlers.java:134 - Unknown exception in client networking
> io.netty.channel.unix.Errors$NativeIoException: writeAddress(..) failed:
> Connection reset by peer, WARN [epollEventLoopGroup-5-9]
> 2022-05-03T16:47:03,800 ExceptionHandlers.java:134 - Unknown exception in
> client networking
> io.netty.channel.unix.Errors$NativeIoException: writeAddress(..) failed:
> Connection reset by peer]
> {code}
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