[MPICH] about MPI_Comm_spawn

[llwaeva at 21cn.com]

> Under Windows, any MPI application that calls MPI_Comm_spawn must be started
> by mpiexec.  If you run "myapp.exe" instead of "mpiexec -n 1 myapp.exe" you
> will not be able to call the spawn functions.
> -David Ashton
I also try to use 

mpiexec -n 1 spawn1.exe

but still get

Error encountered before initializing MPICH

job aborted:
rank: node: exit code[: error message]
0: rex: 1: process 0 exited without calling finalize