--- a/jdk/src/share/classes/sun/launcher/resources/launcher.properties	Thu Feb 03 13:49:25 2011 -0800
+++ b/jdk/src/share/classes/sun/launcher/resources/launcher.properties	Thu Feb 03 15:41:23 2011 -0800
@@ -84,6 +84,7 @@
 \                      append to end of bootstrap class path\n\
 \    -Xbootclasspath/p:<directories and zip/jar files separated by {0}>\n\
 \                      prepend in front of bootstrap class path\n\
+\    -Xdiag            show additional diagnostic messages\n\
 \    -Xnoclassgc       disable class garbage collection\n\
 \    -Xincgc           enable incremental garbage collection\n\
 \    -Xloggc:<file>    log GC status to a file with time stamps\n\
@@ -109,7 +110,7 @@
 The -X options are non-standard and subject to change without notice.\n
 
 java.launcher.cls.error1=\
-    Error: Could not find main class {0}
+    Error: Could not find or load main class {0}
 java.launcher.cls.error2=\
     Error: Main method is not {0} in class {1}, please define the main method as:\n\
 \   public static void main(String[] args)
@@ -120,5 +121,7 @@
 java.launcher.cls.error4=\
     Error: Main method not found in class {0}, please define the main method as:\n\
 \   public static void main(String[] args)
-
-
+java.launcher.jar.error1=\
+    Error: An unexpected error occurred while trying to open file {0}
+java.launcher.jar.error2=manifest not found in {0}
+java.launcher.jar.error3=no main manifest attribute, in {0}