gcm server http 404 error 제발 도와주세요ㅠㅠ

Question

package database;

import java.sql.*;

import java.util.Vector;

import common.CurrentTime;

public class Member {

	// Registered members bring information to the GCM
	public Vector<String> getMember() {
		Connection conn = connectionDB();
		Vector<String> member = new Vector<String>();
		Statement stmt = null;
		ResultSet rs = null;
		String query = "select * from ownerkey";

		// Query execute
		try {
			stmt = conn.createStatement();
			rs = stmt.executeQuery(query);
			if (stmt.execute(query)) {
				rs = stmt.getResultSet();
			}

			// Add member
			while (rs.next()) {
				String reg_id = rs.getString("reg_id");
				member.add(reg_id);
			}
		} catch (SQLException e1) {
			System.out.println("[error][" + common.CurrentTime.getTime()
					+ "] : Database query fault");
		}

		// connection close
		if (rs != null) {
			try {
				rs.close();
			} catch (SQLException e) {
			}
		}
		if (stmt != null) {
			try {
				stmt.close();
			} catch (SQLException e) {
			}
		}
		if (conn != null) {
			try {
				conn.close();
			} catch (SQLException e) {
			}
		}
		return member;
	}

	// Device Registration to GCM
	public void registerMember(String reg_id) {
		Connection conn = connectionDB();

		String query = "insert into ownerkey (reg_id) values (?);";
		try {

			PreparedStatement preparedStmt = conn.prepareStatement(query);
			preparedStmt.setString(1, reg_id);
			preparedStmt.execute();
			System.out.println("[success][" + common.CurrentTime.getTime()
					+ "] : Device registration to GCM");

		} catch (SQLException e) {
			System.out.println("[error][" + common.CurrentTime.getTime()
					+ "] : A device that is already registered");
		}
		// connection close
		if (conn != null) {
			try {
				conn.close();
			} catch (SQLException e) {
			}
		}
	}

	// Device unregistration to GCM
	public void unregisterMember(String reg_id) {
		Connection conn = connectionDB();

		// Execute query
		String query = "delete from ownerkey where reg_id=(?);";
		try {

			PreparedStatement preparedStmt = conn.prepareStatement(query);
			preparedStmt.setString(1, reg_id);
			preparedStmt.execute();
			System.out.println("[success][" + common.CurrentTime.getTime()
					+ "] : Device unregistration to GCM");
		} catch (SQLException e) {
			System.out.println("[error][" + common.CurrentTime.getTime()
					+ "] : The device does not exist");
		}

		// connection close
		if (conn != null) {
			try {
				conn.close();
			} catch (SQLException e) {
			}
		}
	}

	private Connection connectionDB() {
		Connection conn = null;
		try {
			Class.forName("com.mysql.jdbc.Driver");
		} catch (ClassNotFoundException e) {
			System.out.println("[error][" + common.CurrentTime.getTime()
					+ "] : JDBC Driver not found");
		}
		try {
			conn = DriverManager.getConnection(
					"jdbc:mysql://localhost:3306/test", "root", "1234");
		} catch (SQLException e) {
			System.out.println("[error][" + common.CurrentTime.getTime()
					+ "] : Database connection fault");
		}

		return conn;
	}
}

package http;

import java.io.IOException;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


// Device Registration
public class Register extends HttpServlet{
	
	database.Member db = new database.Member();
	
	public void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		String reg_id = req.getParameter("reg_id");
		System.out.println("[request][" + common.CurrentTime.getTime()
				+ "] : request divice registation");
		db.registerMember(reg_id);
	}
	
	public void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws IOException {
		
		String reg_id = req.getParameter("reg_id");
		System.out.println("[request][" + common.CurrentTime.getTime()
				+ "] : request divice registation");
		db.registerMember(reg_id);
	}
}

<?xml version="1.0" encoding="UTF-8"?>

<web-app>

	<!-- device register -->

	<servlet>
		<servlet-name>register</servlet-name>
		<servlet-class>http.Register</servlet-class>
	</servlet>
	<servlet-mapping>
		<servlet-name>register</servlet-name>
		<url-pattern>/register</url-pattern>
	</servlet-mapping>



	<!-- 주고받는 부분 작성, 알람, 푸시 다 -->
</web-app>

gcm 서버 등록하는 부분까지만 이긴한데 이거마져 안됩니다.....

처음부터 안된건 아니고 하다보니까 갑자기 안되요 ..

2일째 밤새면서 하고있습니다. 도와주세요ㅠㅠㅠㅠ

실행하면 로그도 안뜨고 웹에서 http404에러라고 뜹니다. 

참고로 db에는 ownerkey 테이블에 reg_id, parkingshare이라는 값을 넣을 수 있습니다. 

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