Trying to output 1GB of zero bytes in chunks. Seems to have a memory leak....

TestOutOfMemory.java

package com.codingtony.gist;

import static io.netty.handler.codec.http.HttpHeaders.Names.*;
import static io.netty.handler.codec.http.HttpResponseStatus.*;
import static io.netty.handler.codec.http.HttpVersion.*;

import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.nio.ByteBuffer;

import com.google.common.io.ByteStreams;
import com.google.common.primitives.Bytes;
import com.ticksmith.server.common.ChunkedOutputStream;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.http.DefaultHttpContent;
import io.netty.handler.codec.http.DefaultHttpResponse;
import io.netty.handler.codec.http.FullHttpMessage;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.stream.ChunkedWriteHandler;

public class TestOutOfMemory {

  /**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {

		EventLoopGroup bossGroup = new NioEventLoopGroup();
		EventLoopGroup workerGroup = new NioEventLoopGroup();

		try {
			ServerBootstrap b = new ServerBootstrap();
			b.group(bossGroup, workerGroup);
			b.channel(NioServerSocketChannel.class);
			b.childHandler(new ChannelInitializer<SocketChannel>() {

				@Override
				protected void initChannel(SocketChannel ch) throws Exception {
					ChannelPipeline pipeline = ch.pipeline();

					ChannelHandlerAdapter testChunkOutOfMemory = new SimpleChannelInboundHandler<FullHttpMessage>() {

						@Override
						protected void channelRead0(ChannelHandlerContext ctx, FullHttpMessage msg) throws Exception {
							DefaultHttpResponse response = new DefaultHttpResponse(HTTP_1_1, OK);
							HttpHeaders.setTransferEncodingChunked(response);
							response.headers().set(CONTENT_TYPE, "application/octet-stream");
							ctx.write(response);

							ByteBuf buf = Unpooled.buffer();
							int GIGABYTE = (4 * 1024 * 1024); // multiply 256B = 1GB
							for (int i = 0; i < GIGABYTE; i++) {
								buf.writeBytes(CONTENT_256BYTES_ZEROED);
								ctx.writeAndFlush(new DefaultHttpContent(buf.copy()));
								buf.clear();
							}
							ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT).addListener(
									ChannelFutureListener.CLOSE);
						}

					};
					pipeline.addLast("decoder", new HttpRequestDecoder());
					pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
					pipeline.addLast("encoder", new HttpResponseEncoder());
					pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
					pipeline.addLast("handler", testChunkOutOfMemory);
				}

			});
			b.bind(8888).sync().channel().closeFuture().sync();
		} finally {
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}

	}

	final static byte[] CONTENT_256BYTES_ZEROED = new byte[] { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, };

}