Solution : https://service.sap.com/sap/support/notes/787221 (SAP Service marketplace login required)
Key words :
large synchronous message traffic volume, sap xi af messaging, message processing terminates, java process memory, including support package 10, unlike asynchronous messages, bc adapter reason, send synchronous messages, xi adapter, synchronous messages
Related Notes :
791379 | XI Adapter service properties documentation |
552522 | Java Hotspot VM Memory Parameters (hint outdated) |