diff -r 3308660aa3f2 -r afa6934dd8e8 jdk/src/share/classes/java/net/SocketPermission.java --- a/jdk/src/share/classes/java/net/SocketPermission.java Mon Jun 16 08:09:30 2014 -0700 +++ b/jdk/src/share/classes/java/net/SocketPermission.java Mon Jun 16 17:45:26 2014 +0100 @@ -733,7 +733,7 @@ InetAddress auth; try { - StringBuffer sb = new StringBuffer(39); + StringBuilder sb = new StringBuilder(39); for (int i = 15; i >= 0; i--) { sb.append(Integer.toHexString(((addr[i]) & 0x0f)));