Migrate Centos7.9 to Rocky 8.9

I am migrating a Centos 7.9 server to Rocky 8.9 and during leapp preupgrade i am getting the below:

Process Process-302:
Traceback (most recent call last):
  File "/usr/lib64/python2.7/multiprocessing/process.py", line 258, in _bootstrap
  File "/usr/lib64/python2.7/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python2.7/site-packages/leapp/repository/actor_definition.py", line 72, in _do_run
    actor_instance.run(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/leapp/actors/__init__.py", line 290, in run
  File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/rootscanner/actor.py", line 27, in process
  File "/usr/lib/python2.7/site-packages/leapp/actors/__init__.py", line 314, in produce
    self._messaging.produce(model, self)
  File "/usr/lib/python2.7/site-packages/leapp/messaging/__init__.py", line 196, in produce
    return self._do_produce(model, actor, self._new_data)
  File "/usr/lib/python2.7/site-packages/leapp/messaging/__init__.py", line 214, in _do_produce
    data = json.dumps(model.dump(), sort_keys=True)
  File "/usr/lib64/python2.7/json/__init__.py", line 250, in dumps
    sort_keys=sort_keys, **kw).encode(obj)
  File "/usr/lib64/python2.7/json/encoder.py", line 209, in encode
    chunks = list(chunks)
  File "/usr/lib64/python2.7/json/encoder.py", line 434, in _iterencode
    for chunk in _iterencode_dict(o, _current_indent_level):
  File "/usr/lib64/python2.7/json/encoder.py", line 408, in _iterencode_dict
    for chunk in chunks:
  File "/usr/lib64/python2.7/json/encoder.py", line 332, in _iterencode_list
    for chunk in chunks:
  File "/usr/lib64/python2.7/json/encoder.py", line 390, in _iterencode_dict
    yield _encoder(value)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x80 in position 0: invalid start byte

Actor root_scanner unexpectedly terminated with exit code: 1 - Please check the above details
1 Like

Looks like you program fails to read some file. Alas, as noted on the other thread, the leapp is not from Rocky, nor supported by Rocky. You should ask from those, who made that “migration script”.

Personally, I strongly prefer fresh installs. If I cannot translate my configs for new distro nor transfer user data, then my setup is already fragile. If my services cannot tolerate the downtime that such operation requires, then my systems are not sufficiently redundant to begin with.

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