[SPARK-11630][CORE] ClosureCleaner moved from warning to debug

## What changes were proposed in this pull request? ClosureCleaner moved from warning to debug ## How was this patch tested? Existing tests Author: Rekha Joshi <[email protected]> Author: rjoshi2 <[email protected]> Closes apache#20337 from rekhajoshm/SPARK-11630-1.
dbtsai · Jan 22, 2018 · 4327ccf · 4327ccf
1 parent 87ffe7a
commit 4327ccf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala b/core/src/main/scala/org/apache/spark/util/ClosureCleaner.scala
@@ -207,7 +207,7 @@ private[spark] object ClosureCleaner extends Logging {
       accessedFields: Map[Class[_], Set[String]]): Unit = {
 
     if (!isClosure(func.getClass)) {
-      logWarning("Expected a closure; got " + func.getClass.getName)
+      logDebug(s"Expected a closure; got ${func.getClass.getName}")
       return
     }