RuntimeError: Failed to open HDF5 file with mode 'w': summary.h5

[pshriwise]

Hi @pfproton,

Thanks for posting! Sorry you ran into this issue. I’m linking a previous response to a similar query from a while back. It has a link to some relevant information on this topic in the documentation and some background information on why you’re running into this issue.

Failed to open HDF5 files

Hi @Dalia. Thanks for reaching out about this. We typically see the error ERROR: Failed to open HDF5 file with mode ‘w’: summary.h5 because an openmc.StatePoint object is already open in the Python interpreter. We’re working on a way to avoid this issue, but for now I’ll refer you to this thread on the topic: Along with an explanation of a couple ways to manage this issue: As for the missing statepoint file you mentioned in your last post, I’m not really sure why that would occur withou…

https://docs.openmc.org/en/stable/usersguide/troubleshoot.html#runtimeerror-failed-to-open-hdf5-file-with-mode-w-summary-h5

Hope this helps! Best of luck.

– Patrick