CAMEL-8068: camel-mail split attachments sets a header with the attachment key. Thanks to Christoph Laubrich for the patch.
CAMEL-8073: Fixed Camel may clear attachments during routing. Thanks to Andrei M for a patch that I modified slightly.
CAMEL-8072 Camel Netty Http Server should close the channel once it return an error message
CAMEL-8072 Camel Netty4 Http Server should close the channel once it return an error message