See the unit test attached.
The execution listener inside the eventBaseGateway is executed before the service task even if the service task came first in the process workflow.
This problem is not present in version 5.10 and 5.11
Windows 7 Utilmate 64bit, Java 1.6.0_31,
Core i7 2.6Ghz, 8Gbyte Ram 256 Gbyte ssd