@Override public void writeRequested(ChannelHandlerContext ctx, MessageEvent e) throws Exception { long timeoutMillis = getTimeoutMillis(e); if (timeoutMillis > 0) { // Set timeout only when getTimeoutMillis() returns a positive value. ChannelFuture future = e.getFuture(); final Timeout timeout = timer.newTimeout( new WriteTimeoutTask(ctx, future), timeoutMillis, TimeUnit.MILLISECONDS); future.addListener(new TimeoutCanceller(timeout)); } super.writeRequested(ctx, e); }