ACTIVEMQ- publisher subscriber hello world example

Question

There are two programs: subscriber and publisher... Subscriber is able to put the message onto the topic and the message is sent successfully. When I check the activemq serv

Answer 1

just some:

• work with a queue not a topic. messages in topics will be discarded when no consumer is available, they are NOT persistend.
• add connection.start() after setting the message listener. you should start a connection when all consumers/producers are properly set up.
• wait some time before before closing the connection again.

the topic will probably be your most important source of failure.