Flavio Junqueira created KAFKA-2558:
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Summary: ServerShutdownTest is failing intermittently
Key: KAFKA-2558
URL: https://issues.apache.org/jira/browse/KAFKA-2558
Project: Kafka
Issue Type: Sub-task
Components: unit tests
Reporter: Flavio Junqueira
Assignee: Flavio Junqueira
The test case there fail because tests are leaking resources into others. For
this particular case I noticed that the test cases are checking if all threads
are being shut down and they are finding threads created by other tests in the
same jvm instance.
To verify this, I added a couple of log messages to print the thread id when
the thread starts and when the thread is interrupted. I also interrupt the
offending thread in the test case to force it to print its id. Here is one such
output:
{noformat}
$ grep 1572 build/test-results/*.xml
build/test-results/TEST-kafka.controller.ControllerFailoverTest.xml:[2015-09-16
15:03:42,398] INFO [Controller-0-to-broker-1-send-thread], Starting
Controller-0-to-broker-1-send-thread 1572
(kafka.controller.RequestSendThread:68)
build/test-results/TEST-kafka.server.ServerShutdownTest.xml:[2015-09-16
15:06:33,334] INFO [Controller-0-to-broker-1-send-thread], Got interrupted:
Controller-0-to-broker-1-send-thread 1572
(kafka.controller.RequestSendThread:68)
{noformat}
The number 1572 is the thread id.
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