Bug#1102062: zookeeper: FTBFS: expected: <1> but was: <0>

[Pierre Gruet]

Hi tony,

On Thu, 10 Jul 2025 22:44:29 -0700 tony mancill <tmancill at debian.org> wrote:
 > On Fri, Jul 04, 2025 at 09:21:19PM +0200, Santiago Vila wrote:
 > > On Fri, Jul 04, 2025 at 06:12:34PM +0000, tony mancill wrote:
 > >
 > > > Because the failures occur for multiple different tests, I don't 
think
 > > > we should attempt to disable tests 1-by-1, I expect that to become a
 > > > game of whack-a-mole. As you suggested, we should engage with 
upstream
 > > > regarding the Heisentests. I will work on that.
 > >
 > > Thanks a lot!
 > >
 > > > For the trixie release, we can either request that the bug be 
ignored by
 > > > the Release Managers or I can upload a packaging change to skip tests
 > > > during the build by default and then request a freeze exception.
 > > >
 > > > If anyone has a strong preference, please speak up.
 > >
 > > Requesting that the bug is ignored seems ok to me, as far as we can
 > > apply the fix in trixie after we have such fix, even if that
 > > happens after the release of Debian 13 (i.e. stable-proposed-updates
 > > where stable=trixie).
 >
 > As a justification for disabling the tests by default, here are failure
 > counts by test for a sequence of 50 or so builds. Approximately a 50%
 > build failure rate and 10 distinct failing tests (so far):
 >
 > 9 [ERROR] RequestThrottlerTest.testRequestThrottler:235 expected: <5> 
but was: <4>
 > 8 [ERROR] 
SaslAuthRequiredMultiClientTest.testClientOpWithInvalidSASLPasswordAuthAfterSuccessLogin:76->ClientBase.createClient:185->ClientBase.createClient:190->ClientBase.createClient:205->ClientBase.createClient:224 
expected [0x1004bb8efa30001] ==> expected: <1> but was: <0>
 > 5 [ERROR] 
SnapshotAndRestoreCommandTest.testSnapshotAndRestoreCommand_streaming:168->validateSnapshotMetrics:398 
expected: <true> but was: <false>
 > 3 [ERROR] QuorumPeerMainTest.testLeaderOutOfView:884 expected: 
<LOOKING> but was: <FOLLOWING>
 > 3 [ERROR] SessionTest.testSessionStateNoDupStateReporting:294 
expected: <[SyncConnected, Disconnected, Expired]> but was: 
<[SyncConnected, Disconnected]>
 > 1 [ERROR] 
WatcherCleanerTest.testDeadWatcherMetrics:168->ZKTestCase.waitForMetric:144->ZKTestCase.waitForMetric:150->ZKTestCase.waitFor:140 
metric "max_dead_watchers_cleaner_latency" failed to match after 30 seconds
 > 1 [ERROR] RestoreQuorumTest.testRestoreAfterQuorumLost:93 expected: 
<20> but was: <19>
 > 1 [ERROR] 
ReconfigRollingRestartCompatibilityTest.testRollingRestartWithHostAddedAndRemoved:317 
waiting for server 3 being up ==> expected: <true> but was: <false>
 > 1 [ERROR] 
DIFFSyncTest.testLeaderShutdown_AckProposalBeforeAckNewLeader:191 
expected: <200000001> but was: <100000003>
 > 1 [ERROR] CnxManagerTest.testWorkerThreads:511 Mon Jul 07 06:25:51 
UTC 2025 Incorrect number of Worker threads for sid=0 expected 4 found 2 
==> expected: <null> but was: <Mon Jul 07 06:25:51 UTC 2025 Incorrect 
number of Worker threads for sid=0 expected 4 found 2>
 >
 >
 > So, I have prepared an upload for unstable that skips running the test
 > suite by default but permits the builder to enable it by setting an
 > environment variable. Kind of the opposite of DEB_BUILD_OPTIONS=nocheck,
 > although I used a different, non-standard variable to avoid confusion.
 >
 > Any concerns with an upload now? I see that Paul has already tagged the
 > bug with trixie-ignore. I am not expecting this to migrate before the
 > release (unless the Release Managers feel otherwise).
 >
 > I will continue to work on addressing the root cause.

I will consider giving this "root cause" some attention in the upcoming 
days. Just in case, have you been able to gather more information about 
that up to now?

 >
 > Thank you,
 > tony
 >
 >

Thank you and have a good day,

-- 
Pierre
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