I'm getting this error when I run an application

User Support
1

Reading materials XML file…
Reading geometry XML file…
Reading U238 from
/home/emil/Downloads/endfb71/endfb-vii.1-hdf5/wmp/neutron/U238.h5
HDF5-DIAG: Error detected in HDF5 (1.10.4) thread 139749681391552:
#000: …/…/…/src/H5F.c line 509 in H5Fopen(): unable to open file
major: File accessibilty
minor: Unable to open file
#001: …/…/…/src/H5Fint.c line 1400 in H5F__open(): unable to open file
major: File accessibilty
minor: Unable to open file
#002: …/…/…/src/H5Fint.c line 1546 in H5F_open(): unable to open file: time = Fri Jan 20 20:23:29 2023
, name = ‘/home/emil/Downloads/endfb71/endfb-vii.1-hdf5/wmp/neutron/U238.h5’, tent_flags = 0
major: File accessibilty
minor: Unable to open file
#003: …/…/…/src/H5FD.c line 734 in H5FD_open(): open failed
major: Virtual File Layer
minor: Unable to initialize object
#004: …/…/…/src/H5FDsec2.c line 346 in H5FD_sec2_open(): unable to open file: name = ‘/home/emil/Downloads/endfb71/endfb-vii.1-hdf5/wmp/neutron/U238.h5’, errno = 2, error message = ‘No such file or directory’, flags = 0, o_flags = 0
major: File accessibilty
minor: Unable to open file
ERROR: Failed to open HDF5 file with mode ‘r’:
/home/emil/Downloads/endfb71/endfb-vii.1-hdf5/wmp/neutron/U238.h5

2

It looks like it’s trying to open a file that doesn’t exist. It’s possible that your cross section library might have gotten extracted incorrectly. I would try clearing it out and extracting the tarball for the ENDF/B-VII.1 library again.

1 Like