diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala
index 7890828b2cd25..cfea0990356c6 100644
--- a/core/src/main/scala/org/apache/spark/util/Utils.scala
+++ b/core/src/main/scala/org/apache/spark/util/Utils.scala
@@ -568,7 +568,9 @@ private[spark] object Utils extends Logging {
                         filename = Some(filename))
       }
     } catch {
-      case e: Throwable => throw new IllegalStateException("Unable to fetch file %s into <%s> / <%s>".format(url, targetDir, filename))
+      case NonFatal(e) => throw new IllegalStateException(
+        s"Unable to fetch file $url into $targetDir as $filename",
+        e)
     }
   }