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https://issues.apache.org/jira/browse/BEAM-5197?focusedWorklogId=169931&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-169931
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ASF GitHub Bot logged work on BEAM-5197:
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Author: ASF GitHub Bot
Created on: 27/Nov/18 18:22
Start Date: 27/Nov/18 18:22
Worklog Time Spent: 10m
Work Description: mxm commented on issue #7138: [BEAM-5197] Increase test
time progressing interval to avoid deadlock
URL: https://github.com/apache/beam/pull/7138#issuecomment-442163898
Good point. `testValueEmission` is more sophisticated though because it
emulates the runtime behavior by reading from multiple sharded instances of
UnboundedSoure.
I've extended the test to at least check that two watermarks are emitted
after the watermark emission is triggered twice. That should make it a good
addition to the value test where only the final watermark is checked.
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Issue Time Tracking
-------------------
Worklog Id: (was: 169931)
Time Spent: 4.5h (was: 4h 20m)
> Flaky test: UnboundedSourceWrapperTest$ParameterizedUnboundedSourceWrapperTest
> ------------------------------------------------------------------------------
>
> Key: BEAM-5197
> URL: https://issues.apache.org/jira/browse/BEAM-5197
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: Thomas Weise
> Assignee: Maximilian Michels
> Priority: Critical
> Labels: flake
> Fix For: 2.10.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> {code:java}
> java.lang.NullPointerException
> at
> org.apache.flink.streaming.runtime.tasks.TestProcessingTimeService$1.compare(TestProcessingTimeService.java:52)
> at
> org.apache.flink.streaming.runtime.tasks.TestProcessingTimeService$1.compare(TestProcessingTimeService.java:49)
> at java.util.PriorityQueue.siftUpUsingComparator(PriorityQueue.java:670)
> at java.util.PriorityQueue.siftUp(PriorityQueue.java:646)
> at java.util.PriorityQueue.offer(PriorityQueue.java:345)
> at
> org.apache.flink.streaming.runtime.tasks.TestProcessingTimeService.registerTimer(TestProcessingTimeService.java:93)
> at
> org.apache.beam.runners.flink.translation.wrappers.streaming.io.UnboundedSourceWrapper.setNextWatermarkTimer(UnboundedSourceWrapper.java:452)
> at
> org.apache.beam.runners.flink.translation.wrappers.streaming.io.UnboundedSourceWrapper.run(UnboundedSourceWrapper.java:225)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:87)
> at
> org.apache.beam.runners.flink.streaming.UnboundedSourceWrapperTest$ParameterizedUnboundedSourceWrapperTest.testValueEmission(UnboundedSourceWrapperTest.java:153)
> {code}
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