Problem

After a new installation with non-default port for Integrator (Integratorb2bxserver port), communication between Trading Engine and Integrator engine doesn't work.

Extract of _te.log :
2015-07-30 02:37:18,053 - INFO [SystemThrottle] (SystemThrottle.run:230) - Integrator health checker is now engaged: Integrator instances have been down for more then 60 seconds
2015-07-30 02:37:18,053 - WARN [SystemThrottle] (SystemThrottle.run:238) - Engaging the SystemThrottle. Integrator health checker: Integrator instances have been down for more then 60 seconds

Resolution

Integration engine nodes is always created with defaut port Integratorb2bxserver port : 8900.
From System Manager tab, recreate a new Integration engine node with the correct integration engine port value.