I was checkout latest version 3.2.4.Final and problem was fixed. sorry and thanks. -- View this message in context: http://netty-forums-and-mailing-lists.685743.n2.nabble.com/ServerBootStrap-bind-to-same-port-with-throws-exception-tp5913769p5913797.html Sent from the Netty User Group mailing list archive at Nabble.com.