--- a/jdk/src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java	Wed Jul 05 21:09:59 2017 +0200
+++ b/jdk/src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java	Mon Dec 21 20:54:00 2015 +0100
@@ -54,7 +54,7 @@
     private int fdVal;
 
     // ID of native thread currently blocked in this channel, for signalling
-    private volatile long thread = 0;
+    private volatile long thread;
 
     // Lock held by thread currently blocked in this channel
     private final Object lock = new Object();