--- old/src/share/classes/com/sun/corba/se/spi/orb/ORB.java	Sun May 11 21:46:34 2014
+++ new/src/share/classes/com/sun/corba/se/spi/orb/ORB.java	Sun May 11 21:46:34 2014
@@ -25,8 +25,6 @@
 
 package com.sun.corba.se.spi.orb;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.util.Map ;
 import java.util.HashMap ;
 import java.util.Properties ;
@@ -99,8 +97,6 @@
 
 import com.sun.corba.se.impl.presentation.rmi.PresentationManagerImpl ;
 
-import sun.misc.JavaAWTAccess;
-
 public abstract class ORB extends com.sun.corba.se.org.omg.CORBA.ORB
     implements Broker, TypeCodeFactory
 {
@@ -245,27 +241,12 @@
     public static PresentationManager getPresentationManager()
     {
         SecurityManager sm = System.getSecurityManager();
-        JavaAWTAccess javaAwtAccess = sun.misc.SharedSecrets.getJavaAWTAccess();
+        sun.misc.JavaAWTAccess javaAwtAccess = sun.misc.SharedSecrets.getJavaAWTAccess();
         if (sm != null && javaAwtAccess != null) {
-            Object appletContext;
-            try {
-                Class<?> clazz = JavaAWTAccess.class;
-                Method method = clazz.getMethod("getAppletContext");
-                appletContext = method.invoke(javaAwtAccess);
-            } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
-                InternalError err = new InternalError();
-                err.initCause(e);
-                throw err;
-            }
-
+            final Object appletContext = javaAwtAccess.getAppletContext();
             if (appletContext != null) {
                 synchronized (pmContexts) {
-                    PresentationManager pm = pmContexts.get(appletContext);
-                    if (pm == null) {
-                        pm = setupPresentationManager();
-                        pmContexts.put(appletContext, pm);
-                    }
-                    return pm;
+                    return pmContexts.putIfAbsent(appletContext, setupPresentationManager());
                 }
             }
         }