//本类需要引入的类或接口
import java.rmi.RemoteException;
import java.util.Properties;
import javax.ejb.CreateException;
import javax.ejb.RemoveException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;/**
* 这是EJB的客户端测试程序
*/public class HelloClient { private static final String JNDI_NAME = "HelloHome"; private String url;
private HelloHome home; public HelloClient(String url)
throws NamingException
{ this.url = url;
home = lookupHome();
}
void test()
throws RemoteException,CreateException
{
Hello hello = (Hello) PortableRemoteObject.narrow(home.create(), Hello.class);
System.out.println("I am in client. "+hello.sayHello());
}
/**
* 运行这个实例:
* java HelloClient t3://localhost:7001
*/
public static void main(String[] args) throws Exception { System.out.println("\n客户端程序测试开始...\n"); String url = "t3://localhost:7001";
// 解析命令行
if (args.length != 1) {
System.out.println("用法: java HelloClient t3://hostname:port");
return;
} else {
url = args[0];
}
HelloClient client = null;
try {
client = new HelloClient(url);
} catch (NamingException ne) {
System.exit(1);
}
try {
client.test();
} catch (Exception e) {
System.exit(1);
}
System.out.println("\n客户端程序测试结束...\n");
}
/**
* 查找 EJB 的主接口
*/
private HelloHome lookupHome()
throws NamingException
{
Context ctx = getInitialContext();
Object home = ctx.lookup(JNDI_NAME);
return (HelloHome) PortableRemoteObject.narrow(home, HelloHome.class);
} /**
* 使用属性对象获取上下文
*/
private Context getInitialContext() throws NamingException {
Properties h = new Properties();
h.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFactory");
h.put(Context.PROVIDER_URL, url);
return new InitialContext(h);
}
}
import java.rmi.RemoteException;
import java.util.Properties;
import javax.ejb.CreateException;
import javax.ejb.RemoveException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;/**
* 这是EJB的客户端测试程序
*/public class HelloClient { private static final String JNDI_NAME = "HelloHome"; private String url;
private HelloHome home; public HelloClient(String url)
throws NamingException
{ this.url = url;
home = lookupHome();
}
void test()
throws RemoteException,CreateException
{
Hello hello = (Hello) PortableRemoteObject.narrow(home.create(), Hello.class);
System.out.println("I am in client. "+hello.sayHello());
}
/**
* 运行这个实例:
* java HelloClient t3://localhost:7001
*/
public static void main(String[] args) throws Exception { System.out.println("\n客户端程序测试开始...\n"); String url = "t3://localhost:7001";
// 解析命令行
if (args.length != 1) {
System.out.println("用法: java HelloClient t3://hostname:port");
return;
} else {
url = args[0];
}
HelloClient client = null;
try {
client = new HelloClient(url);
} catch (NamingException ne) {
System.exit(1);
}
try {
client.test();
} catch (Exception e) {
System.exit(1);
}
System.out.println("\n客户端程序测试结束...\n");
}
/**
* 查找 EJB 的主接口
*/
private HelloHome lookupHome()
throws NamingException
{
Context ctx = getInitialContext();
Object home = ctx.lookup(JNDI_NAME);
return (HelloHome) PortableRemoteObject.narrow(home, HelloHome.class);
} /**
* 使用属性对象获取上下文
*/
private Context getInitialContext() throws NamingException {
Properties h = new Properties();
h.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFactory");
h.put(Context.PROVIDER_URL, url);
return new InitialContext(h);
}
}
client.test();
} catch (Exception e) {
System.exit(1);
}
部分发生了异常,你在看看server中的例子,多调试一下。我想应没什么大的问题。
client = new HelloClient(url);
} catch (NamingException ne) {
必须由home接口生成ejb对象的引用,不能自己new。client = home.create();你先用jbuilder自己生成的testclient程序,运行一下,确信配置没错。