Attempting to use an MPI routine after finalizing MPI

When running an MPI job with parallel HDF5 the program exits (on normal completion) with:

  Attempting to use an MPI routine after finalizing MPI

This seems to be as a result of exit handlers in HDF5 being called after the the MPI_Finalize().

I suspect that some HDF objects are still open:

• [https://hdfgroup.org/HDF5/faq/parallel.html#mpi_finalize][]