7. Frequently-Asked Questions

7.1. I got this error/warning message…

7.1.1. WARNING: LOCAL JWST PRD VERSION PRDOPSSOC-059 CANNOT BE CHECKED AGAINST ONLINE VERSION

This is coming from pysiaf and indicates that either (1) you are not connected to the internet or (2) there was a change in pysiaf codebase. You should verify your connectivity and/or upgrade the pysiaf with pip install pysiaf --upgrade. (You may find different three digit numbers instead of 059)

7.1.2. RuntimeError related to freeze_support()

Specifically, the error is:

RuntimeError: An attempt has been made to start a new process before the current process has finished its bootstrapping phase.

This probably means that you are not using fork to start your child processes and you have forgotten to use the proper idiom in the main module:

if __name__ == ‘__main__’:

freeze_support()

The “freeze_support()” line can be omitted if the program is not going to be frozen to produce an executable.

This is because you are running some script in the __main__ of the file. Try putting the commands inside a function declaration:

7.2. Why do I….

7.2.1. get a the same logging message printed multiple times?

This is likely because there are multiple instances of the logger running for the separate threads.