[ZEPPELIN-4627]. Codegen fails for SparkInterpreter #3656
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What is this PR for?
The root cause is classloader issue. This PR use the scala shell classloader as the classloader in SparkSqlInterpreter to execute sql. But scala 2.12 still doesn't work for now, I will leave it for future as scala 2.12 is not used widely.
What type of PR is it?
[Improvement]
Todos
What is the Jira issue?
How should this be tested?
Screenshots (if appropriate)
Questions: