Chesnay Schepler created FLINK-17827:
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Summary: scala-shell.sh should fail early if no mode is specified,
or have default logging settings
Key: FLINK-17827
URL: https://issues.apache.org/jira/browse/FLINK-17827
Project: Flink
Issue Type: Improvement
Components: Scala Shell
Affects Versions: 1.11.0
Reporter: Chesnay Schepler
The scala-shell has multiple modes it can run in: local, remote and yarn.
It is mandatory to specify such a mode, but this is only enforced on the scala
side, not in the bash script.
The problem is that the scala-shell script derives the log4j properties from
the mode, and if no mode is set, then the log4j properties are empty.
This leads to a warning from slf4j that no logger was defined and all that.
Either scala-shell.sh should fail early if no mode is specified, or it should
have some default logging settings (e.g., the ones for local/remote).
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