--- old/src/share/classes/sun/awt/OSInfo.java	2011-12-09 13:53:54.000000000 +0800
+++ new/src/share/classes/sun/awt/OSInfo.java	2011-12-09 13:53:54.000000000 +0800
@@ -39,6 +39,7 @@
         WINDOWS,
         LINUX,
         SOLARIS,
+        AIX,
         UNKNOWN
     }
 
@@ -99,6 +100,10 @@
             if (osName.contains("Solaris") || osName.contains("SunOS")) {
                 return SOLARIS;
             }
+            
+            if (osName.contains("AIX")) {
+                return AIX;
+            }
 
             // determine another OS here
         }