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Unlike using a regular aggregator, there is no facility for an aggregation condition, meaning that it is not possible to batch consume into multiple groups of messages at the same time. All consumed messages are aggregated together into a single batch. To get around this, a common design approach is to first sort the different groups of messages to be aggregated onto different queues, and batch consume from each one separately.

Multiple JMS consumer support is available which allows you to consume in parallel using the one route, and at the same time use facilities like JMS message groups to group related messages.

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