The PostCommit Java ValidatesRunner Dataflow V2 job is flaky

[github-actions]

The PostCommit Java ValidatesRunner Dataflow V2 is failing over 50% of the time.
Please visit https://github.com/apache/beam/actions/workflows/beam_PostCommit_Java_ValidatesRunner_Dataflow_V2.yml?query=is%3Afailure+branch%3Amaster to see all failed workflow runs.
See also Grafana statistics: http://metrics.beam.apache.org/d/CTYdoxP4z/ga-post-commits-status?orgId=1&viewPanel=2&var-Workflow=PostCommit%20Java%20ValidatesRunner%20Dataflow%20V2

[Amar3tto]

Fixed after #33745

[github-actions]

Reopening since the workflow is still flaky

[Amar3tto]

The culprit: #33385

[Amar3tto]

@rohitsinha54 ptal

[github-actions]

Reopening since the workflow is still flaky

[rohitsinha54]

I looked at the failures. It is WAI. Now in our backend we did a change where if the job has not specified --enable_lineage we don't store its stringset metric in spanner and hence backend can't return it for test to pass. We will need to update the test. I will work on it.

[Amar3tto]

I looked at the failures. It is WAI. Now in our backend we did a change where if the job has not specified --enable_lineage we don't store its stringset metric in spanner and hence backend can't return it for test to pass. We will need to update the test. I will work on it.

Please let me know if you need any help with this

[Abacn]

opened #34027 for fix