This is your daily summary of Beam's current flaky tests 
(https://issues.apache.org/jira/issues/?jql=project%20%3D%20BEAM%20AND%20statusCategory%20!%3D%20Done%20AND%20labels%20%3D%20flake)

These are P1 issues because they have a major negative impact on the community 
and make it hard to determine the quality of the software.

    https://issues.apache.org/jira/browse/BEAM-14459: Docker Snapshots failing 
to be published since April 14th (created 2022-05-11)
    https://issues.apache.org/jira/browse/BEAM-14410: FnRunnerTest with 
non-trivial (order 1000 elements) numpy input flakes in non-cython environment 
(created 2022-05-04)
    https://issues.apache.org/jira/browse/BEAM-14407: Jenkins worker sometimes 
crashes while running Python Flink pipeline (created 2022-05-04)
    https://issues.apache.org/jira/browse/BEAM-14367: Flaky timeout in github 
Python unit test action 
StatefulDoFnOnDirectRunnerTest.test_dynamic_timer_clear_then_set_timer (created 
2022-04-26)
    https://issues.apache.org/jira/browse/BEAM-14349: GroupByKeyTest BasicTests 
testLargeKeys100MB flake (on ULR) (created 2022-04-21)
    https://issues.apache.org/jira/browse/BEAM-14276: 
beam_PostCommit_Java_DataflowV2 failures parent bug (created 2022-04-07)
    https://issues.apache.org/jira/browse/BEAM-14269: 
PulsarIOTest.testReadFromSimpleTopic is very flaky (created 2022-04-06)
    https://issues.apache.org/jira/browse/BEAM-14263: 
beam_PostCommit_Java_DataflowV2, testBigQueryStorageWrite30MProto failing 
consistently (created 2022-04-05)
    https://issues.apache.org/jira/browse/BEAM-14252: 
beam_PostCommit_Java_DataflowV1 failing with a variety of flakes and errors 
(created 2022-04-05)
    https://issues.apache.org/jira/browse/BEAM-14216: Multiple XVR Suites 
having similar flakes simultaneously (created 2022-03-31)
    https://issues.apache.org/jira/browse/BEAM-14174: Flink Tests failure :  
java.lang.NoClassDefFoundError: Could not initialize class 
org.apache.beam.runners.core.construction.SerializablePipelineOptions  (created 
2022-03-24)
    https://issues.apache.org/jira/browse/BEAM-14172: beam_PreCommit_PythonDocs 
failing (jinja2) (created 2022-03-24)
    https://issues.apache.org/jira/browse/BEAM-13952: Dataflow streaming tests 
failing new AfterSynchronizedProcessingTime test (created 2022-02-15)
    https://issues.apache.org/jira/browse/BEAM-13859: Test flake: 
test_split_half_sdf (created 2022-02-09)
    https://issues.apache.org/jira/browse/BEAM-13850: 
beam_PostCommit_Python_Examples_Dataflow failing (created 2022-02-08)
    https://issues.apache.org/jira/browse/BEAM-13822: GBK and CoGBK streaming 
Java load tests failing (created 2022-02-03)
    https://issues.apache.org/jira/browse/BEAM-13810: Flaky tests: Gradle build 
daemon disappeared unexpectedly (created 2022-02-03)
    https://issues.apache.org/jira/browse/BEAM-13809: beam_PostCommit_XVR_Flink 
flaky: Connection refused (created 2022-02-03)
    https://issues.apache.org/jira/browse/BEAM-13797: Flakes: Failed to load 
cache entry (created 2022-02-01)
    https://issues.apache.org/jira/browse/BEAM-13708: flake: 
FlinkRunnerTest.testEnsureStdoutStdErrIsRestored (created 2022-01-20)
    https://issues.apache.org/jira/browse/BEAM-13575: Flink 
testParDoRequiresStableInput flaky (created 2021-12-28)
    https://issues.apache.org/jira/browse/BEAM-13500: NPE in Flink Portable 
ValidatesRunner streaming suite (created 2021-12-21)
    https://issues.apache.org/jira/browse/BEAM-13453: Flake in 
org.apache.beam.sdk.io.mqtt.MqttIOTest.testReadObject: Address already in use 
(created 2021-12-13)
    https://issues.apache.org/jira/browse/BEAM-13393: GroupIntoBatchesTest is 
failing (created 2021-12-07)
    https://issues.apache.org/jira/browse/BEAM-13367: 
[beam_PostCommit_Python36] [ 
apache_beam.io.gcp.experimental.spannerio_read_it_test] Failure summary 
(created 2021-12-01)
    https://issues.apache.org/jira/browse/BEAM-13312: 
org.apache.beam.sdk.transforms.ParDoLifecycleTest.testTeardownCalledAfterExceptionInStartBundle
 is flaky in Java Spark ValidatesRunner suite  (created 2021-11-23)
    https://issues.apache.org/jira/browse/BEAM-13311: 
org.apache.beam.sdk.transforms.ParDoLifecycleTest.testTeardownCalledAfterExceptionInProcessElementStateful
 is flaky in Java ValidatesRunner Flink suite. (created 2021-11-23)
    https://issues.apache.org/jira/browse/BEAM-13237: 
org.apache.beam.sdk.transforms.CombineTest$WindowingTests.testWindowedCombineGloballyAsSingletonView
 flaky on Dataflow Runner V2 (created 2021-11-12)
    https://issues.apache.org/jira/browse/BEAM-13025: pubsublite.ReadWriteIT 
flaky in beam_PostCommit_Java_DataflowV2   (created 2021-10-08)
    https://issues.apache.org/jira/browse/BEAM-12928: beam_PostCommit_Python36 
- CrossLanguageSpannerIOTest - flakey failing (created 2021-09-21)
    https://issues.apache.org/jira/browse/BEAM-12859: 
org.apache.beam.runners.dataflow.worker.fn.logging.BeamFnLoggingServiceTest.testMultipleClientsFailingIsHandledGracefullyByServer
 is flaky (created 2021-09-08)
    https://issues.apache.org/jira/browse/BEAM-12809: 
testTwoTimersSettingEachOtherWithCreateAsInputBounded flaky (created 2021-08-26)
    https://issues.apache.org/jira/browse/BEAM-12794: 
PortableRunnerTestWithExternalEnv.test_pardo_timers flaky (created 2021-08-24)
    https://issues.apache.org/jira/browse/BEAM-12793: 
beam_PostRelease_NightlySnapshot failed (created 2021-08-24)
    https://issues.apache.org/jira/browse/BEAM-12766: Already Exists: Dataset 
apache-beam-testing:python_bq_file_loads_NNN (created 2021-08-16)
    https://issues.apache.org/jira/browse/BEAM-12673: 
apache_beam.examples.streaming_wordcount_it_test.StreamingWordCountIT.test_streaming_wordcount_it
 flakey (created 2021-07-28)
    https://issues.apache.org/jira/browse/BEAM-12603: Flaky: 
apache_beam.runners.portability.fn_api_runner.fn_runner_test.FnApiRunnerTestWithGrpcAndMultiWorkers
 (created 2021-07-12)
    https://issues.apache.org/jira/browse/BEAM-12515: Python PreCommit flaking 
in PipelineOptionsTest.test_display_data (created 2021-06-18)
    https://issues.apache.org/jira/browse/BEAM-12322: Python precommit flaky: 
Failed to read inputs in the data plane (created 2021-05-10)
    https://issues.apache.org/jira/browse/BEAM-12320: 
PubsubTableProviderIT.testSQLSelectsArrayAttributes[0] failing in SQL 
PostCommit (created 2021-05-10)
    https://issues.apache.org/jira/browse/BEAM-12291: 
org.apache.beam.runners.flink.ReadSourcePortableTest.testExecution[streaming: 
false] is flaky (created 2021-05-05)
    https://issues.apache.org/jira/browse/BEAM-12200: 
SamzaStoreStateInternalsTest is flaky (created 2021-04-20)
    https://issues.apache.org/jira/browse/BEAM-12163: Python GHA PreCommits 
flake with grpc.FutureTimeoutError on SDK harness startup (created 2021-04-13)
    https://issues.apache.org/jira/browse/BEAM-12061: beam_PostCommit_SQL 
failing on KafkaTableProviderIT.testFakeNested (created 2021-03-27)
    https://issues.apache.org/jira/browse/BEAM-12019: 
apache_beam.runners.portability.flink_runner_test.FlinkRunnerTestOptimized.test_flink_metrics
 is flaky (created 2021-03-18)
    https://issues.apache.org/jira/browse/BEAM-11837: Java build flakes: 
"Memory constraints are impeding performance" (created 2021-02-18)
    https://issues.apache.org/jira/browse/BEAM-11661: hdfsIntegrationTest 
flake: network not found (py38 postcommit) (created 2021-01-19)
    https://issues.apache.org/jira/browse/BEAM-11641: Bigquery Read tests are 
flaky on Flink runner in Python PostCommit suites (created 2021-01-15)
    https://issues.apache.org/jira/browse/BEAM-11541: 
testTeardownCalledAfterExceptionInProcessElement flakes on direct runner. 
(created 2020-12-30)
    https://issues.apache.org/jira/browse/BEAM-10866: 
PortableRunnerTestWithSubprocesses.test_register_finalizations flaky on macOS 
(created 2020-09-09)
    https://issues.apache.org/jira/browse/BEAM-9480: 
org.apache.beam.sdk.io.mongodb.MongoDbIOTest.testReadWithAggregate is flaky 
(created 2020-03-10)
    https://issues.apache.org/jira/browse/BEAM-8101: Flakes in 
ParDoLifecycleTest.testTeardownCalledAfterExceptionInStartBundleStateful for 
Direct, Spark, Flink (created 2019-08-27)
    https://issues.apache.org/jira/browse/BEAM-8035: 
WatchTest.testMultiplePollsWithManyResults flake: Outputs must be in timestamp 
order (sickbayed) (created 2019-08-22)
    https://issues.apache.org/jira/browse/BEAM-7827: 
MetricsTest$AttemptedMetricTests.testAllAttemptedMetrics is flaky on 
DirectRunner (created 2019-07-26)
    https://issues.apache.org/jira/browse/BEAM-7752: Java Validates 
DirectRunner: testTeardownCalledAfterExceptionInFinishBundleStateful flaky 
(created 2019-07-16)
    https://issues.apache.org/jira/browse/BEAM-6804: [beam_PostCommit_Java] 
[PubsubReadIT.testReadPublicData] Timeout waiting on Sub (created 2019-03-11)
    https://issues.apache.org/jira/browse/BEAM-5286: 
[beam_PostCommit_Java_GradleBuild][org.apache.beam.examples.subprocess.ExampleEchoPipelineTest.testExampleEchoPipeline][Flake]
 .sh script: text file busy. (created 2018-09-01)

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