diff --git a/core/src/test/resources/log4j.properties b/core/src/test/resources/log4j.properties
index eb3b1999eb996..9512ac1ac79c3 100644
--- a/core/src/test/resources/log4j.properties
+++ b/core/src/test/resources/log4j.properties
@@ -16,7 +16,7 @@
 #
 
 # Set everything to be logged to the file target/unit-tests.log
-log4j.rootCategory=INFO, file
+log4j.rootCategory=DEBUG, file
 log4j.appender.file=org.apache.log4j.FileAppender
 log4j.appender.file.append=true
 log4j.appender.file.file=target/unit-tests.log
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer2.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer2.scala
index 9552f41115866..c841362a246ea 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer2.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer2.scala
@@ -154,6 +154,8 @@ private[sql] class SparkSqlSerializer2(keySchema: Array[DataType], valueSchema:
   with Serializable{
 
   def newInstance(): SerializerInstance = new ShuffleSerializerInstance(keySchema, valueSchema)
+
+  override def supportsRelocationOfSerializedObjects: Boolean = true
 }
 
 private[sql] object SparkSqlSerializer2 {