[6.2.x] Ensure AMQP protocol marshals messages before passing to broker (#1859)#1860

cshannon merged 1 commit intoapache:activemq-6.2.xapache/activemq:activemq-6.2.xfrom

cshannon:1859-6.2.x-backportcshannon/activemq:1859-6.2.x-backportCopy head branch name to clipboard