一个关于jms的问题
我装有J2EE 1.4
一个简单的JMS 服务端程序为:
import javax.naming.*;
import javax.jms.*;
public class SimpleQueueSender{
public static void main(String[] args){
String queueName = null;
Context jndiContext = null;
QueueConnectionFactory queueConnectionFactory = null;
QueueConnection queueConnection = null;
QueueSession queueSession = null;
QueueSender queueSender = null;
Queue queue = null;
TextMessage message = null;
final int NUM_MSGS;
if ((args.length<1)||(args.length >2)){
System.out.println("Usage: java SimpleQueueSender" +
"<queue-name>[<number-of-message>]");
System.exit(1);
}
queueName = new String(args[0]);
System.out.println("Queue name is " + queueName);
if (args.length == 2){
NUM_MSGS = (new Integer(args[1])).intValue();
} else {
NUM_MSGS = 1;
}
try{
jndiContext = new InitialContext();
}catch (NamingException e){
System.out.println("Could not create JNDI API" +
"context: " + e.toString());
System.exit(1);
}
try{
queueConnectionFactory = (QueueConnectionFactory)
jndiContext.lookup("QueueConnectionFactory");
queue = (Queue) jndiContext.lookup(queueName);
}catch (NamingException e) {
System.out.println("JNDI API lookup failed: " +
e.toString());
System.exit(1);
}
try {
queueConnection =
queueConnectionFactory.createQueueConnection();
queueSession =
queueConnection.createQueueSession(false,Session.AUTO_ACKNOWLEDGE);
queueSender = queueSession.createSender(queue);
message = queueSession.createTextMessage();
for (int i=0 ; i < NUM_MSGS; i++){
message.setText("This is message" + (i+1) );
System.out.println("Sending message: " +
message.getText());
queueSender.send(message);
}
queueSender.send(queueSession.createMessage());
}catch (JMSException e ){
System.out.println("Exception occurred: " +
e.toString());
}finally{
if (queueConnection != null){
try{
queueConnection.close();
}catch (JMSException e){}
}
}
}
}
然后启动J2EE
用一下命令行运行:
java -Djms.properties=%J2EE_HOME%\config\jms_client.properties SimpleQueueSender MyQueue 3
错误如下:
JNDI API lookup failed: javax.naming.CommunicationException: com.sun.enterprise.resource.PoolingException
at com.sun.enterprise.naming.factory.JavaAppClientObjectHandler.createConnectionFactory(JavaAppClientObjectHandler.java:194)
at com.sun.enterprise.naming.factory.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:89)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:301)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:124)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at SimpleQueueSender.main(SimpleQueueSender.java:47)
Caused by: java.lang.ClassNotFoundException: com.sun.jms.connector.ra.JMSManagedQueueConnectionFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:199)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:267)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:219)
at com.sun.enterprise.naming.factory.JavaAppClientObjectHandler.createConnectionFactory(JavaAppClientObjectHandler.java:179)
... 5 more
请问是什么问题?