>If nobody is able to work on "BOBYQAOptimizer" so as to make it a >maintainable and documented code, I request that it be removed from the next >major release (4.0).
No objections from my side. BOBYQA was again heavily used at https://issfd.jpl.nasa.gov/home/GTOC6 (10th place this time), but for performance reasons I used a C++ variant wrapped via JNI called from Java code implementing the CMA optimizer interface. This seems the better solution (keep the optimizer implementation outside CMA/Java and use only the interface)| as long as we have no real Java implementation.