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https://issues.apache.org/jira/browse/TINKERPOP-2504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17324444#comment-17324444
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Marc de Lignie commented on TINKERPOP-2504:
-------------------------------------------
Confident is not the word, but there is no other way to test, see
[https://github.com/apache/tinkerpop/pull/1417/checks?check_run_id=2370517254|[https://github.com/apache/tinkerpop/pull/1417/checks?check_run_id=2370517254].]
The changes I made to the TestClientFactory make some tests more resilient
against low available cpu resources. The old failures in gremlin-server
integration tests from the git log on master mostly have to do with the
teardown of the KdcFixture, so I removed some suspicious code lines. If errors
about deleting principals keep popping up, you could simply catch these
exceptions and only log them (I did not want to use that anti-pattern in the
current stage).
> Intermittently failing server/driver integration tests
> ------------------------------------------------------
>
> Key: TINKERPOP-2504
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2504
> Project: TinkerPop
> Issue Type: Improvement
> Components: driver, server
> Affects Versions: 3.4.9
> Reporter: Stephen Mallette
> Priority: Minor
>
> I've noticed this test failing intermittently on Travis and more consistently
> on the {{master}} branch with Docker. It fails with a
> {{ConcurrentModificationException}} (haven't been able to easily get the
> entire stack trace thanks to the docker issue and i've not caught it
> happening in the last few days on Travis). Adding this line of code seems to
> have made the test pass more consistently:
> https://github.com/apache/tinkerpop/commit/4b099b3c84a350aae953cdf517aa11c7017eb2ae
> which would indicate something perhaps fishy with how hosts are being marked
> dead and iterated. Would be nice to get rid of that little hack.
> Another common failure that is fairly consistent is with
> {{GremlinServerAuditLogIntegrateTest.shouldAuditLogWithKrb5Authenticator}}
> {code}
> [ERROR]
> shouldAuditLogWithKrb5Authenticator(org.apache.tinkerpop.gremlin.server.GremlinServerAuditLogIntegrateTest)
> Time elapsed: 3.16 s <<< ERROR!
> java.util.concurrent.ExecutionException:
> org.apache.tinkerpop.gremlin.driver.exception.ResponseException:
> Authenticator is not ready to handle requests
> at
> org.apache.tinkerpop.gremlin.server.GremlinServerAuditLogIntegrateTest.shouldAuditLogWithKrb5Authenticator(GremlinServerAuditLogIntegrateTest.java:222)
> Caused by: org.apache.tinkerpop.gremlin.driver.exception.ResponseException:
> Authenticator is not ready to handle requests
> {code}
> cc/ [~divijvaidya] [~HadoopMarc]
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