Github user tinkoff-dwh commented on the issue:
https://github.com/apache/zeppelin/pull/2615
@zjffdu
refactoring replacement values from the context in the interpreter
settings. the previous solution didn't cover all cases:
1) Field protected Properties properties is protected. and interpreters has
direct access (without replace vlalues from context). now the value in this
field is already changed (and added field source settings)
2) changed the level at which occurred the replacement of the parameters,
becauce replacement not works if interpreter call another interpreter. (For ex.
%pyspark -> SparkInterpreter call PySparkInterpreter)
3) refactoring JDBCInterpreter to work with replaces settings
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