ActiveMQ version: 5.10.1. When producers is created, I will check the status of producers periodically. For example, I check whether the session is closed and whether transport of connection is failed. If something mentioned above occurs, I invoke producer.close session.close connection.close and create some new consumers. But sometimes I found broker does not know the old producers have been closed and Messages can not be consumed. Sometimes when I recreate consumers, I got the message of "unknown data type". I want to know the reason. thks.
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