diff --git a/src/share/classes/sun/util/logging/PlatformLogger.java b/src/share/classes/sun/util/logging/PlatformLogger.java
index 6fb5050dd0213c7d987d09b580f8ccd6c517a821..aed067c384dbf0c133f7adca0ed5fcfba22e7168 100644
--- a/src/share/classes/sun/util/logging/PlatformLogger.java
+++ b/src/share/classes/sun/util/logging/PlatformLogger.java
@@ -535,6 +535,10 @@ public class PlatformLogger {
         }
 
         void doLog(int level, String msg, Object... params) {
+            int paramsNumber = (params != null) ? params.length : 0;
+            for (int i = 0; i < paramsNumber; i++) {
+                params[i] = String.valueOf(params[i]);
+            }
             LoggingSupport.log(javaLogger, levelObjects.get(level), msg, params);
         }