Index: CreateDomainCommand.java
===================================================================
--- CreateDomainCommand.java	(revision 63724)
+++ CreateDomainCommand.java	(working copy)
@@ -161,7 +161,11 @@
             throw new CommandValidationException(
                     strings.get("InvalidDomainPath", domainDir));
         }
-
+        
+        if (domainName.length() > 28) {
+            throw new CommandValidationException(
+                    strings.get("DomainNameLimit"));
+        }
         /*
          * The only required value is the domain_name operand, which might have
          * been prompted for before we get here.