diff --git a/src/main/java/org/apache/commons/lang3/StringUtils.java b/src/main/java/org/apache/commons/lang3/StringUtils.java
index 3257bba1b..c5c18cfab 100644
--- a/src/main/java/org/apache/commons/lang3/StringUtils.java
+++ b/src/main/java/org/apache/commons/lang3/StringUtils.java
@@ -743,6 +743,9 @@ public class StringUtils {
             sunAvailable = false;
         } catch (NoSuchMethodException e) {
             sunAvailable = false;
+        } catch (java.security.AccessControlException e) {
+            // LANG-744 - thrown in Google App Engine
+            sunAvailable = false;
         }
     }