Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/17087#discussion_r116183059 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala --- @@ -899,8 +902,20 @@ object CodeGenerator extends Logging { /** * Compile the Java source code into a Java class, using Janino. */ - def compile(code: CodeAndComment): GeneratedClass = { + def compile(code: CodeAndComment): GeneratedClass = try { cache.get(code) + } catch { + // Cache.get() may wrap the original exception. See the following URL + // http://google.github.io/guava/releases/14.0/api/docs/com/google/common/cache/ + // Cache.html#get(K,%20java.util.concurrent.Callable) + case e : UncheckedExecutionException => --- End diff -- I see, done. thanks.
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