Support - Unable to connect BlackBerry devices and simulators running BlackBerry Device Software 4.2.2 to BlackBerry JDE 4.2.1

Problem :

BlackBerry JDE 4.2 and later automatically recognizes installed BlackBerry Device Simulators and includes them in the list of simulators. Although BlackBerry Device Simulator 4.2.2 is recognized and listed, it cannot connect to BlackBerry JDE 4.2.1. The following error message is displayed in BlackBerry JDE 4.2.1:

The running VM is not compatible with this version of the IDE. Debugging is not possible.

Cause :The BlackBerry® Java® Virtual Machine (BlackBerry JVM) in BlackBerry Device Software 4.2.2 and BlackBerry Device Simulator 4.2.2 is incompatible with BlackBerry JDE 4.2.1.

Resolution : This issue was corrected in BlackBerry JDE 4.3.0. BlackBerry JDE

4.3.0 can be used to debug the application, but the application still needs to be built using BlackBerry JDE 4.2.1.