Not able to retrieve messages from topic using EMS.NET API - tibco-ems

Question

I am trying to write a simple application to send messages to a topic from use input and show messages published on topic.
There are two command line executables - one for publisher and another for subscriber.
When I publish messages on a topic, I can see the messages getting submitted to the topic.
The following command shows that there are messages on the topic (see F1.gif):-
show stat EMS.Test.Topic
The following command shows that the messages are getting consumed by the subscribers (see F2.gif)
show stat consumers topic=EMS.Test.Topic
However, I am not able to retrieve messages the EMS .NET API. It gets stuck on Message msg = subscriber.Receive();. I made sure the connection details and authentication details are correct because they are used when publishing the messages.
public string ReceiveMessagesFromTopic(string topicName)
{
TopicConnection connection = null;
string messageFromPublisher = string.Empty;
try
{
var factory = new TIBCO.EMS.TopicConnectionFactory(serverUrl);
connection = factory.CreateTopicConnection(userName, password);
TopicSession session = connection.CreateTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.CreateTopic(topicName);
TopicSubscriber subscriber = session.CreateSubscriber(topic);
connection.Start();
while (true)
{
Message msg = subscriber.Receive();
if (msg == null)
{
break;
}
if (msg is TextMessage)
{
TextMessage tm = (TextMessage) msg;
messageFromPublisher = tm.Text;
}
}
connection.Close();
}
catch (EMSException e)
{
if (connection!=null)
{
connection.Close();
}
throw;
}
return messageFromPublisher;
}

Answer 1

There was a silly mistake in my .NET code. the following while loop never returns so there is no return. I need to break the while loop when I get a message. Duh!!!!
while (true)
{
Message msg = subscriber.Receive();
if (msg == null)
{
break;
}
if (msg is TextMessage)
{
TextMessage tm = (TextMessage) msg;
messageFromPublisher = tm.Text;
break;
}
}