[OMPI users] Error when Building an MPI Java program

Hi Am trying to build an MPI Java program using OpenMPI 4.0.1: I get the following error: Compilation failure /MY_DIRECTORY/ping-pong-mpi-tcp/src/main/java/SocketMainMultiJVM.java:[2,10] error: cannot access MPIException Any suggestions on what I am doing incorrectly? Thanks, Benson

[OMPI users] Worker Communications

Hi, I just compiled openmpi-4.0.1 using --with-sge to work with Univa Grid Engine that we have on our cluster. I tried the basic hello world c program where a worker will print it's rank and the world size on stdout and then quit. This seems to work fine and I've had it running on 64 nodes