How to deal with large number of threads in clients

http://activemq.apache.org/how-to-deal-with-large-number-of-threads-in-clients.html

另外须要注意一点：ActiveMQSession不用了后须要关闭

Closes the session.

Since a provider may allocate some resources on behalf of a session outside the JVM, clients should close the resources when they are not needed. Relying on garbage collection to eventually reclaim these resources may not be timely enough.

There is no need to close the producers and consumers of a closed session.

http://activemq.apache.org/maven/5.10.0/apidocs/overview-summary.html