--- a/src/java.net.http/share/classes/jdk/internal/net/http/websocket/Frame.java	Wed Mar 07 15:39:25 2018 +0000
+++ b/src/java.net.http/share/classes/jdk/internal/net/http/websocket/Frame.java	Wed Mar 07 17:16:28 2018 +0000
@@ -40,6 +40,7 @@
     private Frame() { }
 
     static final int MAX_HEADER_SIZE_BYTES = 2 + 8 + 4;
+    static final int MAX_CONTROL_FRAME_PAYLOAD_LENGTH = 125;
 
     enum Opcode {