diff --git a/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java b/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java
index 454bc7a7f924d..4353e3f263c51 100644
--- a/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java
+++ b/launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java
@@ -235,7 +235,7 @@ public void run() {
         synchronized (clients) {
           clients.add(clientConnection);
         }
-        
+
         long timeoutMs = getConnectionTimeout();
         // 0 is used for testing to avoid issues with clock resolution / thread scheduling,
         // and force an immediate timeout.
@@ -244,7 +244,7 @@ public void run() {
         } else {
           timeout.run();
         }
-            
+
         clientThread.start();
       }
     } catch (IOException ioe) {