Since we're on a major migration process of this website, some component documents here are out of sync right now. In the meantime you may want to look at the asciidoc in the repository: https://github.com/apache/camel/blob/master/README.md https://github.com/apache/camel/blob/master/components/readme.adoc
Why does my JMS route only consume one message at once?
The default JMS endpoint configuration defines concurrentConsumers to be 1 so only 1 message is processed concurrently at any point in time. To change this to make things more concurrent, just configure this value; either at the JMS component level or endpoint level.