Spanner: Print stack trace in case of test case flake #6151
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The test case
com.google.cloud.spanner.spi.v1.GapicSpannerRpcTest.testCloseAllThreadsWhenClosingSpannersometimes fails with no further information. This adds a stack trace of the hanging thread when it happens.An example of a flaky failed build here: https://source.cloud.google.com/results/invocations/b472c233-c011-45c0-8b96-650ff6284bec/targets/cloud-devrel%2Fclient-libraries%2Fjava%2Fgoogle-cloud-java%2Fpresubmit%2Fjava8-win/log