Github user liancheng commented on the pull request: https://github.com/apache/spark/pull/9335#issuecomment-151869676 Experimented with the following snippet: ```scala ... evaluator.cook( s"""private String a = null; | |private Integer a = null; | |@Override |public int add(int lhs, int rhs) { | System.out.println(a); | return lhs + rhs; |} """.stripMargin ) ... ``` Janino doesn't complain as long as the duplicated fields are either both null or not referenced.
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