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Posted to issues@beam.apache.org by "Kaj (Jira)" <ji...@apache.org> on 2022/01/22 23:02:00 UTC

[jira] [Created] (BEAM-13720) TextIO.write .withWindowedWrites does not work on windows

Kaj created BEAM-13720:
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             Summary: TextIO.write .withWindowedWrites does not work on windows
                 Key: BEAM-13720
                 URL: https://issues.apache.org/jira/browse/BEAM-13720
             Project: Beam
          Issue Type: Bug
          Components: io-java-text
    Affects Versions: 2.35.0
            Reporter: Kaj


This basic code fails on MS Windows

.apply(TextIO.write().to("anything")
.withWindowedWrites()
.withNumShards(1)

with

java.nio.file.InvalidPathException: Illegal char <:> at index 16: anything2021-12-31T23:00:00.000Z....

because the default FilenamePolicy uses a simple Instant format for Beam Windows that includes ":" which are illegal in MS Windows paths



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