Marius Bakke <mbakke@HIDDEN>
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To: Marius Bakke <mbakke@HIDDEN>
Subject: Re: bug#40718: java-kafka-clients fails test on CI
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On Sun, 19 Apr 2020 18:22:31 +0200
Marius Bakke <mbakke@HIDDEN> wrote:
> Hello,
>=20
> 'java-kafka-clients' fails to build on Berlin:
>=20
> https://ci.guix.gnu.org/log/9ky8skd03p7yvik2dms2h6d7l7fsc6cv-java-kafka-c=
lients-1.0.0
>=20
> The failing test is
> "org.apache.kafka.common.memory.GarbageCollectedMemoryPoolTest",
> possibly because of the large amount of memory on the CI machines.
Hi Marius,
I merged your 40554 and 40718 which stated the same bug within a week.
Or did I miss a difference?
The easiest thing probably would be to just turn off the failing
test.Instead I tried to investigate this bug, but with little success
yet. Here are my findings:
Locally it always built fine.
Due to #40966 my trust in CI results faded a bit away.
When searching for java-kafka-clients, I sometimes see also successful
builds:
https://ci.guix.gnu.org/search?query=3Djava-kafka-clients++system%3Ax86_64-=
linux+spec%3Aguix-master
(Hit reload several times)
Yesterday I thought I saw it going red only 3 weeks ago, but now I
don't have that clear picture any more. The search results are strange.
LOGGING:
On the JUnit output, I saw lines like this:
[junit] SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
[junit] SLF4J: Defaulting to no-operation (NOP) logger implementation
[junit] SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder f=
or further details.
In order to get logging, I added a logger implementation as native
input:
++ ("java-sl4fj-simple" ,java-slf4j-simple)
That showed some output on the console. Maybe that could help find the
issue?
Unfortunately, java-slf4j-simple fails to build on berlin, too
(locally, it built fine)...
MEMORY SIZE:
I modified the sources of the JUnit test to print out the actual memory
usage during test execution, and built that with the "--sources=3D..."
option. But that's nothing we can do on berlin. Or would there be an
administrator trying it out on their local account?
I wanted to change the heap size during tests on my computer with the
"ANT_OPTS" environment variable, where you could pass a "-Xmx=3D16G"
option or something. That did not have any effect on the reported heap
size. Problem is, that our generated build.xml file has a=20
<junit fork=3D"yes" ...>
line, which is in general a good idea, but meaning that tests are
executed under a new JVM other than ANT. We either need to say
fork=3D"no" (I'm currently rebuilding the JVM-world with that) or we have
to give here an additional option "maxmemory".
BUILD GRAPH:
When looking at the reverse-dependency graph, you notice that only
java-log4j-core is using it directly. Can we get rid of that edge?
On the master of log4j, there is a separate module for the
Kafka-Appender, but it is not in any stabl release.
Bj=C3=B6rn
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bug-guix@HIDDEN:bug#40718; Package guix.
Full text available.Björn Höfling <bjoern.hoefling@HIDDEN>
to control <at> debbugs.gnu.org.
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X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) --=-=-= Content-Type: text/plain Hello, 'java-kafka-clients' fails to build on Berlin: https://ci.guix.gnu.org/log/9ky8skd03p7yvik2dms2h6d7l7fsc6cv-java-kafka-clients-1.0.0 The failing test is "org.apache.kafka.common.memory.GarbageCollectedMemoryPoolTest", possibly because of the large amount of memory on the CI machines. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEu7At3yzq9qgNHeZDoqBt8qM6VPoFAl6cescACgkQoqBt8qM6 VPoVvwgAmUKWYSbg8z4EUbVXaE2Dy3YCbRM0g7iwlDxda2Xa3tZF/pJtvUS6eb9v TkwV8P1sHG3Zfp7agZ7TImqyOyi4KVBftuy/8VkmI1bYi4buEe9jmfTtr/cjF+1q yaEMtR1q0OhgnX5tYOKymeP8oKQE1Dt6w1pdJw22tSg2J1LB2twm5HKkII2kiA1l TnlGA+FsVaqb2ZWa7idTLDgt7BJkR8on6VyngQ0GefrRKiAzF2DOcWyY48DiKYrG y528ioJD146Rk0AH8bYprzcAkiWFmkEMnx1bB0SaGCWOAS9wb+oyFtKMxK9v9WcK dkmjNIEkJeoWx1Qqtoj0Pm7Kk4ylsg== =ZKla -----END PGP SIGNATURE----- --=-=-=--
Marius Bakke <mbakke@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#40718; Package guix.
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