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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/07/10 22:45:00 UTC
[jira] [Work logged] (BEAM-10450) Java + Universal Local Runner:
flattens with no PCollections on input hang
[ https://issues.apache.org/jira/browse/BEAM-10450?focusedWorklogId=457435&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-457435 ]
ASF GitHub Bot logged work on BEAM-10450:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Jul/20 22:44
Start Date: 10/Jul/20 22:44
Worklog Time Spent: 10m
Work Description: robertwb opened a new pull request #12226:
URL: https://github.com/apache/beam/pull/12226
A pipeline with an empty flatten results in a bundle with no root transforms.
In Java, this caused no transform runners to be instantiated, including the
data output channels which must be executed (as they are
responsible for closing the logical data channels in finish).
This is fixed by unconditionally creating the data ouput transforms. (This is
OK as processing a given transform is idempotent.)
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 457435)
Remaining Estimate: 0h
Time Spent: 10m
> Java + Universal Local Runner: flattens with no PCollections on input hang
> --------------------------------------------------------------------------
>
> Key: BEAM-10450
> URL: https://issues.apache.org/jira/browse/BEAM-10450
> Project: Beam
> Issue Type: Bug
> Components: runner-universal, sdk-java-core, sdk-java-harness
> Reporter: Kenneth Knowles
> Assignee: Robert Bradshaw
> Priority: P2
> Time Spent: 10m
> Remaining Estimate: 0h
>
> On https://github.com/apache/beam/pull/11792/ the following tests failed and were sickbayed:
> {code}
> excludeTestsMatching 'org.apache.beam.sdk.transforms.FlattenTest.testEmptyFlattenAsSideInput'
> excludeTestsMatching 'org.apache.beam.sdk.transforms.FlattenTest.testFlattenPCollectionsEmpty'
> excludeTestsMatching 'org.apache.beam.sdk.transforms.FlattenTest.testFlattenPCollectionsEmptyThenParDo'
> {code}
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