Below is a simple servlet/MDB/resin-web combo that sends/reads a
message. It works in 4.0.27 but does not work in later versions. By
"does not work" I mean that the message does not appear to be sent at
all. At the 'fine' logging level there is an entry like:
[13-01-14 13:47:59.091] {resin-port-8080-39}
ClusterTopic[TestClusterTopic] sending
TextMessageImpl[ID:5dQYaEuP/vkAE8OpoeJQAA]
but never a subsequent entry like:
[13-01-14 13:51:22.083]
{ValueItemProcessor[PacketProcessor[[email protected]]]}
FileSubscriberQueue[TestClusterTopic] send message
TextMessageImpl[ID:/bKgP3znGffAE8Op2cowAA]
and never an entry indicating that the message was received by either
server in the cluster.
For my testing, the only configuration changes that I made to resin's
out-of-the-box config were the following properties:
log_level : fine
app_servers : 127.0.0.1:6801 127.0.0.1:6802
app-0.http : 8080
app-1.http : 8081
admin_user : test
admin_password : {plain}test
Am I doing something wrong and I just got lucky that it worked in
earlier versions?
Dan
/**
* Servlet implementation class CtTest
*/
public class CtTest extends HttpServlet {
private static final long serialVersionUID = 1L;
@javax.inject.Inject
ClusterTopic<? extends Serializable> _topic;
@Resource(mappedName = "jms/TestConnectionFactory")
JmsConnectionFactory factory = new
com.caucho.jms.JmsConnectionFactory();
/**
* @see HttpServlet#HttpServlet()
*/
public CtTest() {
super();
}
/**
* @see Servlet#init(ServletConfig)
*/
public void init(ServletConfig config) throws ServletException {
try {
// Initialize JMS objects
TopicConnection conn = factory.createTopicConnection();
Session session = conn.createSession(false,
Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer =
session.createConsumer(_topic);
consumer.setMessageListener(new TestListener());
// Subscribe to the topic.
_topic.subscribeTopic();
conn.start();
} catch (JMSException je) {
System.out.println(je.toString());
}
}
/**
* @see HttpServlet#doGet(HttpServletRequest request,
HttpServletResponse
* response)
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
try {
// Initialize JMS objects
TopicConnection conn = factory.createTopicConnection();
// Publish the message.
TopicSession jmsSession =
conn.createTopicSession(false, 1);
TopicPublisher publisher =
jmsSession.createPublisher(_topic);
Message msg = jmsSession.createTextMessage("test Get");
System.out.println("**** Sending message");
ServletOutputStream out = response.getOutputStream();
publisher.publish(msg);
response.setContentType("text/plain");
out.print("Message Sent");
out.close();
} catch (JMSException je) {
// Do exception handling
}
}
}
@MessageDriven(mappedName="TestClusterTopic",
activationConfig={@ActivationConfigProperty(
propertyName="destinationType", propertyValue="javax.jms.Topic")})
public class TestListener implements MessageListener {
public TestListener()
{
}
public void onMessage(Message msg)
{
try {
System.out.println(String.format("**** Received
message: '%s'",
((TextMessage)msg).getText()));
} catch (JMSException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
<web-app xmlns='http://caucho.com/ns/resin'
xmlns:jms="urn:java:com.caucho.jms"
xmlns:resin="urn:java:com.caucho.resin"
xmlns:ee="urn:java:ee">
<resin:JmsConnectionFactory resin:Jndi="jms/TestConnectionFactory"/>
<jms:ClusterTopic>
<jms:name>TestClusterTopic</jms:name>
</jms:ClusterTopic>
<servlet>
<servlet-name>cttest</servlet-name>
<load-on-startup/>
<servlet-class>com.sendthisfile.trouble.CtTest</servlet-class>
</servlet>
<servlet-mapping servlet-name="cttest" url-pattern="/test"/>
</web-app>
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