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https://issues.apache.org/jira/browse/KAFKA-16219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17855427#comment-17855427
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Gaurav Narula commented on KAFKA-16219:
---------------------------------------
Thread dump revealed that the test runner was blocked trying to read from a
socket, while attempting to close the socket
[[0]|https://issues.apache.org/jira/secure/attachment/13066427/timeout.log]. It
turns out this is due to a bug in JDK which is very similar to JDK-8274524, but
it affects the else branch of SSLSocketImpl::bruteForceCloseInput
[[1]|https://github.com/openjdk/jdk/blob/890adb6410dab4606a4f26a942aed02fb2f55387/src/java.base/share/classes/sun/security/ssl/SSLSocketImpl.java#L808]
which wasn't fixed in JDK-8274524.
Since the blocking happens in a native call, the test runner's timeouts have no
effect as the blocked test runner thread doesn't seem to respond to interrupts.
> Tsl13SelectorTest::testExpireClosedConnectionWithPendingReceives hangs
> infinitely
> ---------------------------------------------------------------------------------
>
> Key: KAFKA-16219
> URL: https://issues.apache.org/jira/browse/KAFKA-16219
> Project: Kafka
> Issue Type: Test
> Reporter: Gaurav Narula
> Assignee: Gaurav Narula
> Priority: Major
> Attachments: timeout.log
>
>
> I noticed the test suite hangs indefinitely sometimes. On setting a timeout
> on the {{unitTest}} and {{integrationTest}} tasks, I observed that the
> {{:clientsTest:unitTest}} task fails with
> {{Tsl13SelectorTest::testExpireClosedConnectionWithPendingReceives}} target
> marked as skip.
> On further investigation, it seems like the the test is blocked trying to
> read from the socket. Please refer to the thread dump attached.
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