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https://issues.apache.org/jira/browse/CASSANDRA-16415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281287#comment-17281287
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Yifan Cai commented on CASSANDRA-16415:
---------------------------------------
[~jlewandowski], it seems the only difference in the new 'MixedModeReadTest' is
the static column. The old test already had the gossip and networking features
enabled. The test runs after reverting the table definition.
Not sure whether the behavior is unexpected. It is a separate issue and should
be tracked in a different ticket, if so.
> Broken test mixedModeReadColumnSubsetDigestCheck -
> org.apache.cassandra.distributed.upgrade.MixedModeReadTest
> -------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16415
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16415
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Coordination, Test/dtest/java
> Reporter: Yifan Cai
> Assignee: Jacek Lewandowski
> Priority: Normal
> Fix For: 3.11.x, 4.0-beta
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The test has been failing and can always be reproduced in the recent CI.
> Stack trace:
> {code:java}
> junit.framework.AssertionFailedError: Found Digest Mismatch
> at
> org.apache.cassandra.distributed.upgrade.MixedModeReadTest.checkTraceForDigestMismatch(MixedModeReadTest.java:89)
> at
> org.apache.cassandra.distributed.upgrade.MixedModeReadTest.lambda$mixedModeReadColumnSubsetDigestCheck$0(MixedModeReadTest.java:63)
> at
> org.apache.cassandra.distributed.upgrade.UpgradeTestBase$TestCase.run(UpgradeTestBase.java:171)
> at
> org.apache.cassandra.distributed.upgrade.MixedModeReadTest.mixedModeReadColumnSubsetDigestCheck(MixedModeReadTest.java:76)
> {code}
> The initial investigation shows that
> * The test only fails in the setup phase of
> mixedModeReadColumnSubsetDigestCheck. The cluster version is
> *Versions.Major.v3X*
> * The test failure is likely a consequence of CASSANDRA-15962. After
> dropping the commit in branch cassandra-3.11 and rebuild the dtest jar, the
> upgrade test can pass. Meanwhile, dropping the other commits does not help.
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