The PostCommit Java Dataflow V2 job is flaky

[github-actions]

The PostCommit Java Dataflow V2 is failing over 50% of the time
Please visit https://github.com/apache/beam/actions/workflows/beam_PostCommit_Java_DataflowV2.yml?query=is%3Afailure+branch%3Amaster to see the logs.

[tilgalas]

.take-issue

[github-actions]

Reopening since the workflow is still flaky