diff -r 221f6d0a12ea -r 042f1a001234 jdk/src/share/classes/javax/management/remote/rmi/RMIConnector.java
--- a/jdk/src/share/classes/javax/management/remote/rmi/RMIConnector.java	Thu Jun 21 00:20:49 2012 -0700
+++ b/jdk/src/share/classes/javax/management/remote/rmi/RMIConnector.java	Fri Jun 22 16:22:22 2012 +0400
@@ -277,9 +277,9 @@
             // Check for secure RMIServer stub if the corresponding
             // client-side environment property is set to "true".
             //
-            boolean checkStub = EnvHelp.computeBooleanFromString(
-                    usemap,
-                    "jmx.remote.x.check.stub",false);
+            String stringBoolean =  (String) usemap.get("jmx.remote.x.check.stub");
+            boolean checkStub = EnvHelp.computeBooleanFromString(stringBoolean);
+
             if (checkStub) checkStub(stub, rmiServerImplStubClass);
 
             // Connect IIOP Stub if needed.