jms 的优点
今天使用jms 来连接weblogic ,但是总是报weblogic.jndi.WLInitialContextFactory 找不到。
后来试了很多种办法,网上提到加 weblogic.jar 。我按网上说的加了 weblogic.jar。但是还是报java 类找不到 weblogic.security.subject.AbstractSubject java.lang.NoClassDefFoundError:Weblogic/security/subject/AbstractSubject 之类的异常。
那么怎么办呢,其实很简单 只要进入到你的 weblogic-home 路径下进入到server/lib 目录,并运行 jdk6命令 "java -jar wljarbuilder.jar" jdk5 命令“java -jar wljarbuilder.jar -profile wlfullclient5” .拷贝"wlfullclient.jar " 或者 "wlfullclient5.jar" 到你的classpath 环境下。 下面是一个连接weblogic的例子。
package jms;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Hashtable;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueSender;
import javax.jms.QueueSession;
import javax.jms.Session;
import javax.jms.StreamMessage;
import javax.jms.TextMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class QueueSend {
// Defines the JNDI context factory.
public final static String JNDI_FACTORY = "weblogic.jndi.WLInitialContextFactory";
// Defines the JNDI provider url.
public final static String PROVIDER_URL = "t3://localhost:7001";
// Defines the JMS connection factory for the queue.
public final static String JMS_FACTORY = "myjmsconnectionfactory";
// Defines the queue 用的是对应 QUEUE的JNDI名子
public final static String QUEUE = "myjmsqueue";
private QueueConnectionFactory qconFactory;
private QueueConnection qcon;
private QueueSession qsession;
private QueueSender qsender;
private Queue queue;
private TextMessage msg;
private StreamMessage sm;
private BytesMessage bm;
private MapMessage mm;
private ObjectMessage om;
/**
* Creates all the necessary objects for sending messages to a JMS queue.
*
* @param ctx
* JNDI initial context
* @param queueName
* name of queue
* @exception NamingException
* if operation cannot be performed
* @exception JMSException
* if JMS fails to initialize due to internal error
*/
public void init(Context ctx, String queueName) throws NamingException, JMSException {
qconFactory = (QueueConnectionFactory) ctx.lookup(JMS_FACTORY);
qcon = qconFactory.createQueueConnection();
qsession = qcon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
queue = (Queue) ctx.lookup(queueName);
qsender = qsession.createSender(queue);
msg = qsession.createTextMessage();
sm = qsession.createStreamMessage();
bm = qsession.createBytesMessage();
mm = qsession.createMapMessage();
om = qsession.createObjectMessage();
qcon.start();
}
/**
* Sends a message to a JMS queue.
*
* @param message
* message to be sent
* @exception JMSException
* if JMS fails to send message due to internal error
*/
public void send(String message) throws JMSException {
// set TextMessage
msg.setText(message);
// set StreamMessage
sm.writeString("xmddl369");
sm.writeDouble(23.33);
// set BytesMessage
String name = "xmddl369";
byte[] block = name.getBytes();
bm.writeBytes(block);
// set MapMessage
mm.setString("name", "xmddl369");
// set ObjectMessage
UserInfo ui = new UserInfo();
ui.setName("xmddl369");
ui.setAddress("厦门");
ui.setAge(100);
om.setObject(ui);
qsender.send(msg);
qsender.send(sm);
qsender.send(bm);
qsender.send(mm);
qsender.send(om);
}
/**
* Closes JMS objects.
*
* @exception JMSException
* if JMS fails to close objects due to internal error
*/
public void close() throws JMSException {
qsender.close();
qsession.close();
qcon.close();
}
public static void main(String[] args) throws Exception {
InitialContext ic = getInitialContext();
QueueSend qs = new QueueSend();
qs.init(ic, QUEUE);
//readAndSend(qs);
qs.send("ddd");
qs.close();
}
private static void readAndSend(QueueSend qs) throws IOException, JMSException {
BufferedReader msgStream = new BufferedReader(new InputStreamReader(System.in));
String line = null;
boolean quitNow = false;
do {
System.out.print("Enter message (\"quit\" to quit): ");
line = msgStream.readLine();
if (line != null && line.trim().length() != 0) {
qs.send(line);
System.out.println("JMS Message Sent: " + line + "\n");
quitNow = line.equalsIgnoreCase("quit");
}
} while (!quitNow);
}
private static InitialContext getInitialContext() throws NamingException {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
env.put(Context.PROVIDER_URL, PROVIDER_URL);
return new InitialContext(env);
}
}
package jms;
import java.util.Hashtable;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueReceiver;
import javax.jms.QueueSession;
import javax.jms.Session;
import javax.jms.StreamMessage;
import javax.jms.TextMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
/**
*
* @author Administrator
*
*
* 修改版本: 修改人: 修改日期: 修改内容:
*
*/
public class QueueReceive implements MessageListener {
// Defines the JNDI context factory.
public final static String JNDI_FACTORY = "weblogic.jndi.WLInitialContextFactory";
// Defines the JNDI provider url.
public final static String PROVIDER_URL = "t3://localhost:7001";
// Defines the JMS connection factory for the queue.
public final static String JMS_FACTORY = "myjmsconnectionfactory";
// Defines the queue 用的是对应 QUEUE的JNDI名子
public final static String QUEUE = "myjmsqueue";
private QueueConnectionFactory qconFactory;
private QueueConnection qcon;
private QueueSession qsession;
private QueueReceiver qreceiver;
private Queue queue;
private boolean quit = false;
/**
* Message listener interface.
*
* @param msg
* message
*/
public void onMessage(Message msg) {
try {
String msgText = "";
double d = 0;
if (msg instanceof TextMessage) {
msgText = ((TextMessage) msg).getText();
} else if (msg instanceof StreamMessage) {
msgText = ((StreamMessage) msg).readString();
d = ((StreamMessage) msg).readDouble();
} else if (msg instanceof BytesMessage) {
byte[] block = new byte[1024];
((BytesMessage) msg).readBytes(block);
msgText = String.valueOf(block);
} else if (msg instanceof MapMessage) {
msgText = ((MapMessage) msg).getString("name");
} else if (msg instanceof ObjectMessage) {
UserInfo ui = (UserInfo) ((ObjectMessage) msg).getObject();
msgText = ui.getName();
d = ui.getAge();
}
System.out.println("Message Received: " + msgText + "\t" + d);
if (msgText.equalsIgnoreCase("quit")) {
synchronized (this) {
quit = true;
this.notifyAll(); // Notify main thread to quit
}
}
} catch (JMSException jmse) {
jmse.printStackTrace();
}
}
/**
* Creates all the necessary objects for receiving messages from a JMS
* queue.
*
* @param ctx
* JNDI initial context
* @param queueName
* name of queue
* @exception NamingException
* if operation cannot be performed
* @exception JMSException
* if JMS fails to initialize due to internal error
*/
public void init(Context ctx, String queueName) throws NamingException, JMSException {
qconFactory = (QueueConnectionFactory) ctx.lookup(JMS_FACTORY);
qcon = qconFactory.createQueueConnection();
qsession = qcon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
queue = (Queue) ctx.lookup(queueName);
qreceiver = qsession.createReceiver(queue);
qreceiver.setMessageListener(this);
qcon.start();
}
/**
* Closes JMS objects.
*
* @exception JMSException
* if JMS fails to close objects due to internal error
*/
public void close() throws JMSException {
qreceiver.close();
qsession.close();
qcon.close();
}
/**
* main() method.
*
* @param args
* WebLogic Server URL
* @exception Exception
* if execution fails
*/
public static void main(String[] args) throws Exception {
InitialContext ic = getInitialContext();
QueueReceive qr = new QueueReceive();
qr.init(ic, QUEUE);
System.out.println("JMS Ready To Receive Messages (To quit, send a \"quit\" message).");
// Wait until a "quit" message has been received.
synchronized (qr) {
while (!qr.quit) {
try {
qr.wait();
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
}
qr.close();
}
private static InitialContext getInitialContext() throws NamingException {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
env.put(Context.PROVIDER_URL, PROVIDER_URL);
return new InitialContext(env);
}
public String getEncoding() throws Exception {
return "Hello World!";
}
}
package jms;
import java.io.Serializable;
public class UserInfo implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
private String name;
private String address;
private double age;
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public double getAge() {
return age;
}
public void setAge(double age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
spring 中的jndi配置
weblogic.jndi.WLInitialContextFactory
t3://localhost:7001
weblogic.jndi.factories
ConnectionFactory
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