--- old/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java	2014-02-12 11:46:56.629155800 -0500
+++ new/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java	2014-02-12 11:46:56.400112700 -0500
@@ -154,7 +154,7 @@
 
     if (addTestVmOptions) {
       String vmopts = System.getProperty("test.vm.opts");
-      if (vmopts != null) {
+      if (vmopts != null && vmopts.length() > 0) {
         Collections.addAll(args, vmopts.split("\\s"));
       }
     }