In case of any exception thrown from aggregate() of the custom AggregationStrategy class, the exception is hiden by Camel core and couldn't be catched by any errorhandler.
A simple use case project is created for easy reproduce this issue, https://github.com/xldai/test/tree/master/test-multicast
With setting camel.ver to 2.15.x in the pom.xml, the Exception is thrown as expected:
With setting camel.ver to higher than 2.16.x in the pom.xml, the Exception is not exposed anymore.
Looking into the commit changes, seems this is happening after the changes of