[python-win32] Win32: -2147418113, 'Catastrophic failure'

[Mark Hammond]

On 2023-05-22 11:05 a.m., Pranav S Pawar wrote:
> Hello Team,
>
> My code was working fine from one week in jupyter notebook.
> Today i just did a kernel restart in jupyter notebook and my code 
> stopped working.
>
> Not sure what happened after restart. Tried all options but not able 
> to resolve.
> So through to get help from here.
>
> Basically i am trying to get erwin api through => 
> win32com.client.Dispatch("erwin9.SCAPI")

Again, this sounds like an issue with erwin, not python/pywin32.

Cheers,

Mark


>
> but getting error.
>
> Giving Code as well as error below.
> Please advise what corrective action should be taken.
> I have tried to upgrade pywin32 module but still same error.
>
> *Code:*
> import win32com.client
> erwin = win32com.client.Dispatch("erwin9.SCAPI")
> print('Connected')
>
> *Error:*
>
> com_error                                  Traceback (most recent call last)
> FileC:\Python310\lib\site-packages\win32com\client\dynamic.py:84, in_GetGoodDispatch(IDispatch, clsctx)
> 83  try:
> ---> 84      IDispatch=  pythoncom.connect(IDispatch)
> 85  except  pythoncom.ole_error:
>
> com_error: (-2147221021, 'Operation unavailable', None, None)
>
> During handling of the above exception, another exception occurred:
>
> com_error                                  Traceback (most recent call last)
> InputIn [17], in<cell line: 3>()
> 1  import  win32com.client
> ----> 3  erwin=  win32com.client.Dispatch("erwin9.SCAPI")
> 5  print('Connected')
>
> FileC:\Python310\lib\site-packages\win32com\client\__init__.py:118, inDispatch(dispatch, userName, resultCLSID, typeinfo, UnicodeToString, 
> clsctx)
> 116  """Creates a Dispatch based COM object."""
> 117  assert  UnicodeToStringis  None,"this is deprecated and will go away"
> --> 118  dispatch, userName=  dynamic._GetGoodDispatchAndUserName(dispatch,userName,clsctx)
> 119  return  __WrapDispatch(dispatch, userName, resultCLSID, typeinfo, clsctx=clsctx)
>
> FileC:\Python310\lib\site-packages\win32com\client\dynamic.py:104, in_GetGoodDispatchAndUserName(IDispatch, userName, clsctx)
> 101      ## ??? else userName remains None ???
> 102  else:
> 103      userName=  str(userName)
> --> 104  return  (_GetGoodDispatch(IDispatch,clsctx), userName)
>
> FileC:\Python310\lib\site-packages\win32com\client\dynamic.py:86, in_GetGoodDispatch(IDispatch, clsctx)
> 84          IDispatch=  pythoncom.connect(IDispatch)
> 85      except  pythoncom.ole_error:
> ---> 86          IDispatch=  pythoncom.CoCreateInstance(
> 87  IDispatch,None,clsctx,pythoncom.IID_IDispatch
> 88  )
> 89  else:
> 90      # may already be a wrapped class.
> 91      IDispatch=  getattr(IDispatch,"_oleobj_", IDispatch)
>
> com_error: (-2147418113, 'Catastrophic failure', None, None)
>
> Thanks & Best Regards,
>
> Pranav
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