Gabor Somogyi bf342bafa8 [SPARK-30541][TESTS] Implement KafkaDelegationTokenSuite with testRetry ... ### What changes were proposed in this pull request? `KafkaDelegationTokenSuite` has been ignored because showed flaky behaviour. In this PR I've changed the approach how the test executed and turning it on again. This PR contains the following: * The test runs in separate JVM in order to avoid modified security context * The body of the test runs in `testRetry` which reties if failed * Additional logs to analyse possible failures * Enhanced clean-up code ### Why are the changes needed? `KafkaDelegationTokenSuite ` is ignored. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Executed the test in loop 1k+ times in jenkins (locally much harder to reproduce). Closes #27877 from gaborgsomogyi/SPARK-30541. Authored-by: Gabor Somogyi <gabor.g.somogyi@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>		2020-03-21 18:59:29 -07:00
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src	[SPARK-30541][TESTS] Implement KafkaDelegationTokenSuite with testRetry	2020-03-21 18:59:29 -07:00
pom.xml	[SPARK-30950][BUILD] Setting version to 3.1.0-SNAPSHOT	2020-02-25 19:44:31 -08:00