Java Main Container

Main.java

package test;

import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Main {
	public static void main(String args[]) {
		ServerSocket sock;
		String port = System.getenv("VCAP_APP_PORT");
		if (port == null) {
			port = "8080";
		}
		try {
			sock = new ServerSocket(Integer.parseInt(port));
			System.out.println("WebServer started on port: " + port);
			while (true) {
				Socket socket = sock.accept();
				System.out.println("Stdout: New connection accepted "
						+ socket.getInetAddress() + ":" + socket.getPort());
				System.err.println("StdErr: No problem, just saying...");

				try {
					OutputStream os = socket.getOutputStream();
					os.write("HTTP/1.1 200 OK\n".getBytes());
					os.write("Content-Type: text/plain\n".getBytes());
					os.write("Connection: close\n".getBytes());
					os.write("Content-Length: 2\n".getBytes());
					os.write("\n".getBytes());
					os.flush();
					os.write("ok".getBytes());
					System.out.println("\n".getBytes().length);
					os.flush();
					os.close();
					socket.close();
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>test</groupId>
	<artifactId>test</artifactId>
	<version>0.0.1-SNAPSHOT</version>

	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-jar-plugin</artifactId>
				<configuration>
					<archive>
						<manifest>
							<mainClass>test.Main</mainClass>
							<packageName>test</packageName>
						</manifest>
					</archive>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>