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https://issues.apache.org/jira/browse/CASSANDRA-16954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17430104#comment-17430104
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Brandon Williams commented on CASSANDRA-16954:
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I think before CASSANDRA-16581 these exceptions were just ignored since they
weren't ProtocolExceptions but now the catchall is logging this warning and
causing the teardown failures. Patch to log native IO errors like these at
trace instead.
||Branch||CI||
|[3.11|https://github.com/driftx/cassandra/tree/CASSANDRA-16954-3.11]|[circle|https://app.circleci.com/pipelines/github/driftx/cassandra?branch=CASSANDRA-16954-3.11],
[!https://ci-cassandra.apache.org/job/Cassandra-devbranch/1220/badge/icon!|https://ci-cassandra.apache.org/blue/organizations/jenkins/Cassandra-devbranch/detail/Cassandra-devbranch/1220/pipeline]|
|[4.0|https://github.com/driftx/cassandra/tree/CASSANDRA-16954-4.0]|[circle|https://app.circleci.com/pipelines/github/driftx/cassandra?branch=CASSANDRA-16954-4.0],
[!https://ci-cassandra.apache.org/job/Cassandra-devbranch/1219/badge/icon!|https://ci-cassandra.apache.org/blue/organizations/jenkins/Cassandra-devbranch/detail/Cassandra-devbranch/1219/pipeline]|
|[trunk|https://github.com/driftx/cassandra/tree/CASSANDRA-16954-trunk]|[circle|https://app.circleci.com/pipelines/github/driftx/cassandra?branch=CASSANDRA-16954-trunk],
[!https://ci-cassandra.apache.org/job/Cassandra-devbranch/1218/badge/icon!|https://ci-cassandra.apache.org/blue/organizations/jenkins/Cassandra-devbranch/detail/Cassandra-devbranch/1218/pipeline]|
> Flaky tests due to teardown failure
> -----------------------------------
>
> Key: CASSANDRA-16954
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16954
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Ruslan Fomkin
> Assignee: Brandon Williams
> Priority: Normal
> Labels: flaky-test
>
> Different dtests in several CircleCI builds failed with teardown failure due
> to network failure with the error:
> {code}
> test teardown failure
> Unexpected error found in node logs (see stdout for full details). Errors:
> [WARN [epollEventLoopGroup-5-4] 2021-09-14 09:35:15,897
> ExceptionHandlers.java:134 - Unknown exception in client networking
> io.netty.channel.unix.Errors$NativeIoException: readAddress(..) failed:
> Connection reset by peer, WARN [epollEventLoopGroup-5-4] 2021-09-14
> 09:35:15,897 ExceptionHandlers.java:134 - Unknown exception in client
> networking
> io.netty.channel.unix.Errors$NativeIoException: readAddress(..) failed:
> Connection reset by peer]
> {code}
> For example, {{test_view_metadata_cleanup}} from
> {{materialized_views_test.TestMaterializedViews}} failed in [this
> build|https://app.circleci.com/pipelines/github/k-rus/cassandra/18/workflows/0cb193f3-ffe8-41c1-a376-43c91634579e/jobs/185/tests#failed-test-0]
> or {{test_expiration_overflow_policy_reject}} from {{ttl_test.TestTTL}}
> failed in [this
> build|https://app.circleci.com/pipelines/github/k-rus/cassandra/8/workflows/da99468d-c513-4a4f-9fd3-48b67482ce3e/jobs/67/tests#failed-test-0]
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