rmetzger opened a new pull request #11372: [FLINK-16480] Improve error 
reporting on AZP
URL: https://github.com/apache/flink/pull/11372
 
 
   ## What is the purpose of the change
   
   While debugging unstable e2e tests and crashing JVMs remotely, I came up 
with a bunch of improvements to our testing scripts, which I would like to add 
to the main repo.
   
   
   ## Brief change log
   
   The following changes are contained here:
   - [FLINK-16480][e2e] Always checks logs when test has failed: The e2e tests 
now check the logs for exceptions / errors etc when a test has failed (before, 
logs where not checked in error cases for some tests)
   - [FLINK-16480][AZP] fix log upload condition the log upload failed for e2e 
tests, when a bash e2e test failed.
   - [FLINK-16480] Collect debug files when JVM crashes (for IT cases): we now 
collect coredumps, jvm stacktraces, and other debugging files
   -  [FLINK-16480][e2e] Collect java crashreports for e2e tests as well: same 
for e2e tests. This includes a refactoring of the log collection tools into a 
separate file.
   
   ## Verifying this change
   
   This run properly collects coredumps etc of a test that used to fail on 
master a few days ago: 
https://dev.azure.com/rmetzger/Flink/_build/results?buildId=6137&view=results
   
   ## Does this pull request potentially affect one of the following parts:
   
   affects only tests
   
   

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