[BEAM-13720] TextIO.write .withWindowedWrites does not work on windows

• Type: Bug
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Affects Version/s: 2.35.0
• Component/s: io-java-text
• Labels: starter
• Assignee: Unassigned
• Reporter: Kaj
• Created: 22/Jan/22 23:01
• Updated: 04/Jun/22 22:39

Description

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