[infinispan-dev] Testsuite: hanging TestNG, CDI proken

[Anna Manukyan]

Hi Sanne,

sorry for my interfering in - I was lately working on CDI testsuite - evaluating the coverage, etc. and actually on my local environment as well as on Jenkins, the CDI integration tests are passing properly.

I've run the tests several times, but I hadn't got the test hangouts as you have mentioned and all tests are passing on my side without failures.

I've tried also the testsuite execution with TestNG version 6.7 and it is fine as well.

I just thought, maybe there is something wrong with your testsuite setup or environment (just thoughts)?

Best regards,
Anna.

----- Original Message -----
From: "Sanne Grinovero" <sanne at infinispan.org>
To: "infinispan -Dev List" <infinispan-dev at lists.jboss.org>
Sent: Sunday, October 28, 2012 11:12:32 AM
Subject: [infinispan-dev] Testsuite: hanging TestNG, CDI proken

Hello all,

besides having regular failures, I also experienced occasional hangs
while running the testsuite; in some cases I found the following stack
which suggests a TestNG bug:

"pool-3-thread-14" prio=10 tid=0x00007f0d84632000 nid=0x1ce5 runnable
[0x00007f0d58a36000]
   java.lang.Thread.State: RUNNABLE
	at java.util.HashMap.put(HashMap.java:374)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:320)
	at org.testng.SuiteRunner.access$000(SuiteRunner.java:34)
	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:351)
	at org.testng.internal.thread.ThreadUtil$CountDownLatchedRunnable.run(ThreadUtil.java:147)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

Even when taking multiple dumps that thread is still in the same loop,
and having a single CPU stuck at 100% I'm guessing the HashMap was
being used in some unsafe way regarding concurrency; we're using the
first minor version of TestNG which ever supported parallel testsuite
invocations so that might not be very solid.

Not sure why, but upgrading TestNG from 5.14.10 to 6.7 seems to
resolve the problem.

Now I wish I could send a pull request, but even skipping just the
core testsuite (which always fails for me even in non-parallel mode)
many other modules are broken both with and without my patches, so I'm
dropping my experiments as I won't send any pull requests if the tests
can't back my changes up.

As an example the CDI integration is:

Tests run: 247, Failures: 102, Errors: 0, Skipped: 143

...which means 2 tests are fine.

Cheers,
Sanne
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