Index: C:/Workspaces/Eclipse/SapphireCommons/src/org/slf4j/helpers/MessageFormatter.java
===================================================================
--- C:/Workspaces/Eclipse/SapphireCommons/src/org/slf4j/helpers/MessageFormatter.java	(revision 8855)
+++ C:/Workspaces/Eclipse/SapphireCommons/src/org/slf4j/helpers/MessageFormatter.java	(working copy)
@@ -98,6 +98,9 @@
     if(messagePattern == null) {
       return null;
     }
+    if(argArray == null){
+      argArray = new Object[] { null };
+    }
     int i = 0;
     int len = messagePattern.length();
     int j = messagePattern.indexOf(DELIM_START);