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https://issues.apache.org/jira/browse/CASSANDRA-16852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17398366#comment-17398366
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Andres de la Peña commented on CASSANDRA-16852:
-----------------------------------------------
I think the problem can be reproduced locally by running something like:
{code:java}
ant realclean jar
ant testsome -Dtest.name=org.apache.cassandra.cql3.ViewTest
-Dtest.methods=testNonExistingOnes -Dno-build-test=true
{code}
That reproduces the action of the {{build}} and {{run_repeated_utest}} CircleCI
jobs, and it only works if {{build-test}} is a dependency of {{jar}}, as it is
in 4.0 and trunk but not in 3.0 and 3.11 since, I think, CASSANDRA-16557.
> testsome fails in the CircleCI multiplexer because the class JStackJUnitTask
> can't be found
> -------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16852
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16852
> Project: Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Ekaterina Dimitrova
> Assignee: Andres de la Peña
> Priority: Normal
> Fix For: 3.11.x
>
>
> As [~adelapena] explained on
> [CASSANDRA-16827|https://issues.apache.org/jira/browse/CASSANDRA-16827?focusedCommentId=17398060&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17398060],
> the problem might be in the flag _-Dno-build-test=true_ that the multiplexer
> uses to not run _build-test_ in every iteration, relying on that this has
> already been done by the build task. This is a performance optimisation that
> can be especially effective in fast tests.
> It would be ideal to have the initial multiplexer behavior restored, but we
> can always run _ant build-test_ at the beginning of every multiplexer runner
> while still not running it on every iteration. This seems enough to keep the
> multiplexer working but it requires some extra builds and therefore higher
> costs.
> The goal of this ticket is to find the root of this failure and fix the
> multiplexer either by restoring its initial flow or adding _ant build-test_
> at the beginning of every multiplexer runner, if there is no more effective
> solution.
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