[jira] [Created] (SPARK-42787) in spark-py docker images, arrowkeys do not work in (scala) spark-shell

["Max Rieger (Jira)" <ji...@apache.org>]

Max Rieger created SPARK-42787:
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             Summary: in spark-py docker images, arrowkeys do not work in (scala) spark-shell
                 Key: SPARK-42787
                 URL: https://issues.apache.org/jira/browse/SPARK-42787
             Project: Spark
          Issue Type: Improvement
          Components: Deploy
    Affects Versions: 3.3.1, 3.1.3
         Environment: [https://hub.docker.com/r/apache/spark-py] 3.1.3 and 3.3.1  in Docker on M1 MacBook pro OSX ventura
            Reporter: Max Rieger


i tested this for 3.1.3 and 3.3.1 from [https://hub.docker.com/r/apache/spark-py/tags]

while it works for pyspark, it does not for the scala spark-shell.

it seems this is due to scala REPL using {{jline}} for input management.
 * creating a \{{.inputrc}} file with mapping for the arrow keys. this wouldn't work
 * finally, building and running from {{dev/create-release/spark-rm/Dockerfile}} with jline installed as of the Dockerfile, things worked.

i'd do a PR, but am unsure if this is even the right Dockerfile to contribute to in order to fix the docker hub images...



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