--- old/src/java.logging/share/classes/java/util/logging/LogManager.java	2016-04-25 14:50:54.000000000 -0700
+++ new/src/java.logging/share/classes/java/util/logging/LogManager.java	2016-04-25 14:50:53.000000000 -0700
@@ -2104,7 +2104,7 @@
                 }
                 if (loggers.isEmpty()) continue;
                 for (String pk : properties) {
-                    ConfigProperty cp = ConfigProperty.find(pk).get();
+                    ConfigProperty cp = ConfigProperty.find(pk).getWhenPresent();
                     String p = previous.getProperty(pk, null);
                     String n = next.getProperty(pk, null);