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From "Iosev Perez Rivero" <iper...@uci.cu>
Subject A problem with blobmessage on activemq 5.0
Date Sat, 16 Feb 2008 22:39:13 GMT
I have a problem with this code:
 
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.QueueSession;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQSession;
import org.apache.activemq.BlobMessage;
import org.apache.activemq.command.ActiveMQBlobMessage;
import org.apache.activemq.command.ActiveMQQueue;
public class Sending {
 /**
  * @param args
  * @throws IOException 
  */
 public static void main(String[] args) throws IOException {
  // TODO Auto-generated method stub
  long a1 = System.currentTimeMillis();
  ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(
    "tcp://localhost:61616");
  ActiveMQConnection conn = null;
  ActiveMQSession session = null;
  try {
   conn = (ActiveMQConnection)cf.createConnection();
   session = (ActiveMQSession) conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
   Destination destination = new ActiveMQQueue("Queue");
   MessageProducer producer = session.createProducer(destination);
   
   BlobMessage message = session.createBlobMessage(new File("src\\BlobMessage\\file\\foto.jpg"));
   
   System.out.println(message.getInputStream());
   
   producer.send(message);
  } catch (JMSException e) {
   e.printStackTrace();
  } finally {
   try {
    if (session != null) {
     session.close();
    }
    if (conn != null) {
     conn.close();
    }
   } catch (JMSException ex) {
   }
  }
  a1 = System.currentTimeMillis() - a1;
  System.out.println(a1);
 }
}
 
When i create blobmessage object and print his inputstream pirnted NULL, why??? then when
i send the message the file not sending.
 
Please may anybody help me??
 
Ing. Iósev Pérez Rivero
Dirección Técnica - IP
Universidad de las Ciencias Informaticas
 

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