pjfanning opened a new pull request, #1903:
URL: https://github.com/apache/pekko-connectors/pull/1903

   ### Motivation
   The hdfs CI matrix entry carries `pre_cmd: 'file 
${HOME}/.cache/coursier/.../cats-kernel_2.13-2.0.0.jar'`. This was a debugging 
probe added for akka/alpakka#2436 (October 2020), when a corrupted cats-kernel 
jar kept poisoning the Travis coursier cache — the `file` call printed what the 
cached file actually was whenever the failure recurred. It sets nothing up and 
gates nothing (`file` exits 0 even for a missing path). The Travis cache it 
investigated is long gone, CI now uses `coursier/cache-action`, and the build 
is on cats-core 2.13.0, so the probe inspects a jar that is not even in the 
cache — it has printed "No such file" into every hdfs job log since, surviving 
the Travis-to-Actions port and the alpakka fork by copy-paste.
   
   ### Modification
   Drop the `pre_cmd` from the hdfs matrix entry.
   
   ### Result
   The hdfs CI job runs its tests exactly as before, without the dead 
diagnostic.
   
   ### Tests
   - Not run locally - CI-config-only change; the `connectors (hdfs)` job on 
this PR demonstrates the unchanged behavior.
   
   ### References
   Refs https://github.com/akka/alpakka/issues/2436


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