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https://issues.apache.org/jira/browse/BEAM-12694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17427364#comment-17427364
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Kyle Weaver commented on BEAM-12694:
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The test was much flakier than you would expect if the problem was truly random
collisions. Random collisions of 15-character-length random strings using
lowercase, uppercase, and digits are extremely unlikely – there are 62^15
possible strings. And I saw the same collision occur in two separate test runs
(on DICOM_store_WRmhFzqnPc8ZnNj). So maybe the problem was the random seeding.
Regardless, I believe [https://github.com/apache/beam/pull/15697] should fix
the issue. Please reopen if you see this flake occur again.
> DICOMIoIntegrationTest flaky due to store ID (Python PreCommit)
> ---------------------------------------------------------------
>
> Key: BEAM-12694
> URL: https://issues.apache.org/jira/browse/BEAM-12694
> Project: Beam
> Issue Type: Bug
> Components: test-failures
> Affects Versions: 2.33.0
> Reporter: Emily Ye
> Assignee: David Anderson
> Priority: P1
> Labels: currently-failing, flake, flaky
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> DICOMIoIntegrationTest flaky with error message:
> requests.exceptions.HTTPError: 409 Client Error: Conflict for url:
> [https://healthcare.googleapis.com/v1/projects/apache-beam-testing/locations/us-central1/datasets/apache-beam-integration-testing/dicomStores?dicomStoreId=DICOM_store_Sb5HCWRmhFzqnPc]
> * Example: https://ci-beam.apache.org/job/beam_PostCommit_Python36/4172/
> Looks like random string generator for name
> ([https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/gcp/dicomio_integration_test.py#L129-L130)]
> needs to be changed?
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