/** * Stop proxy server * */ public void stop() { ChannelGroupFuture future = _allChannels.close().awaitUninterruptibly(); if (!future.isSuccess()) { final Iterator<ChannelFuture> iter = future.iterator(); while (iter.hasNext()) { final ChannelFuture cf = iter.next(); if (!cf.isSuccess()) { LOG.warn(String.format("Failed to close channel %s because %s", cf.channel(), cf.cause())); } } } _acceptorGroup.shutdownGracefully(); _upstreamWorkerGroup.shutdownGracefully(); _downstreamWorkerGroup.shutdownGracefully(); }