글쓴이 :김정혜 1998년 12월 07일 00:36:05
원영님께서 하라는 대로 그렇게 포트 번호랑..properties로
서버의 메인 부분을 고쳤는데..이번엔 "Port already in use"
라는 에러가 마구 뜨는 군요... 그래서 포트 번호도 바꾸어
보고 했는데도 에러가 고쳐지지 않습니다요 -_-;
서버 프로그램 소스랑...에러 메세지를 함께 올립니다
제발 보시고 해결 좀 해주세여.... 부탁임다.
이번 일주일밖에 이젠 시간이 없는데... T.T
좀 봐주세여~~~~
----------------------------------------------------
[DBServer.java]
import java.awt.*;
import java.sql.*;
import java.rmi.*;
import java.rmi.server.*;
import java.net.*;
import java.rmi.registry.LocateRegistry;
import java.util.*;
public class DBServer extends java.rmi.server.UnicastRemoteObject implements
MethodsAccessDatabase{
String authorQuery;
static final String SERVER_NAME = "RemoteServer";
static final int SERVER_PORT = 7942;
Properties properties = System.getProperties();
Connection con;
Statement stmt;
ResultSet rs;
public DBServer() throws RemoteException
{
super();
authorQuery = "select ID,PASSWORD from AUTHOR";
}
public void DriverLoad()
{
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
}catch(java.lang.ClassNotFoundException e){
System.out.print("ClassNotFoundException : ");
System.out.println("ClassNotFoundException : ");
}
}
public void ConnectDatabase()
{
try{
System.out.print("Start Connect Database()");
con =
DriverManager.getConnection("jdbc:oracle:thin:@sunduk:1521:EDU", "happy614","icequeen");
stmt = con.createStatement();
System.out.print("end Connect Database()");
}catch(SQLException ex){
System.err.println("SQLException : " + ex.getMessage());
}
}
public boolean author(String id,String passwd) throws RemoteException
{
DriverLoad();
ConnectDatabase();
try{
rs = stmt.executeQuery(authorQuery);
while(rs.next())
{
id = rs.getString("ID");
passwd = rs.getString("PASSWORD");
if (id.equals(id)&&passwd.equals(passwd))
return true;
}
stmt.close();
con.close();
}catch(SQLException ex){
System.err.println("SQLException : "+ex.getMessage());
}
return false;
}
public static void main(String args[])
{
try{
InetAddress address = InetAddress.getLocalHost();
String thisHost = address.getHostAddress();
Properties properties = System.getProperties();
properties.put("203.247.239.17", thisHost);
System.setProperties(properties);
System.setSecurityManager (new RMISecurityManager());
LocateRegistry.createRegistry(SERVER_PORT);
DBServer dbs = new DBServer();
//Naming.rebind("//:" + SERVER_PORT + "/" + SERVER_NAME ,
dbs);
java.rmi.Naming.rebind("DBServer",dbs);
}
catch (Exception e){
e.printStackTrace();
}
}
}
------------------------------------------------------
[Error Message]
RegistryImpl.main: an exception occurred: Port already in use: 1099; nested exception is:
java.net.BindException: Address already in use
java.rmi.server.ExportException: Port already in use: 1099; nested exception is:
java.net.BindException: Address already in use
at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:284)
at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:182)
at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:222)
at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:114)
at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:92)
at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:88)
at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:74)
at sun.rmi.registry.RegistryImpl.main(RegistryImpl.java:216)
java.rmi.server.ExportException: Port already in use: 4000; nested exception is:
java.net.BindException: Address already in use
at sun.rmi.transport.tcp.TCPTransport.listen(TCPTransport.java:284)
at sun.rmi.transport.tcp.TCPTransport.exportObject(TCPTransport.java:182)
at sun.rmi.transport.tcp.TCPEndpoint.exportObject(TCPEndpoint.java:222)
at sun.rmi.transport.LiveRef.exportObject(LiveRef.java:114)
at sun.rmi.server.UnicastServerRef.exportObject(UnicastServerRef.java:92)
at sun.rmi.registry.RegistryImpl.setup(RegistryImpl.java:88)
at sun.rmi.registry.RegistryImpl.<init>(RegistryImpl.java:74)
at sun.rmi.registry.RegistryHandler.registryImpl(RegistryHandler.java:65)
at java.rmi.registry.LocateRegistry.createRegistry(LocateRegistry.java:131)
at DBServer.main(DBServer.java:214)