[Ironpython-users] Strange exception in os.walk

[Pawel Jasinski]

Do you have tracing enabled?
https://github.com/IronLanguages/main/issues/208

On Wed, Mar 4, 2015 at 5:09 PM, Markus Schaber <m.schaber at codesys.com> wrote:
> Hi,
>
> One of my coworkers struggles with strange exceptions when he calls os.walk from his python script.
>
> The script is running in IronPython 2.7.4, hosted by CODESYS.
>
> 16:04:05 [Information] # Start building AC_Mechatronics at c:\jenkins\workspace\Build_Libraries\source\Application\ApplicationComposer\AC_Mechatronics\AC_Mechatronics
> 16:04:05 [Error] Unable to cast object of type 'Microsoft.Scripting.Runtime.Uninitialized' to type 'System.Exception'.
> 16:04:05 [Error]   File "c:\jenkins\workspace\Build_Libraries\scripts\BuildLibraries.py", line 453, in build_library
>     library_state = get_library_state(sharp_client, lib_root, dest_repo, srcpath_parsed)
>   File "c:\jenkins\workspace\Build_Libraries\scripts\BuildLibraries.py", line 415, in get_library_state
>     project_info = load_project_info_object(lib_root)
>   File "c:\jenkins\workspace\Build_Libraries\scripts\tools.py", line 96, in load_project_info_object
>     for root, dirs, files in os.walk(project_root):
>   File "C:\jenkins\workspace\Build_Libraries\cds\Targets\default\ScriptLib\3.5.5.0\os.py", line 294, in walk
>     for x in walk(new_path, topdown, onerror, followlinks):
>   File "C:\jenkins\workspace\Build_Libraries\cds\Targets\default\ScriptLib\3.5.5.0\os.py", line 276, in walk
>     names = listdir(top)
>
>
> The problem is currently reproducible on a single machine, which happens to be a build server, but unfortunately not on our developer machines.
>
> Googling the exception code does not help, either.
>
> We're currently trying to get more information, including .NET stack traces...
>
> In the meantime, does anyone here have any idea for further diagnosis?
>
> Best regards and thanks in advance,
>
> Markus Schaber
>
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