SystemError: An exception was thrown by the type initializer for CodecsInfo

[Thomas Leonard]

(on Ubuntu 10.04 LTS, ironpython 2.6~beta2-2)

Almost anything I try to do in IronPython gives this error. e.g.

$ ipy
IronPython 2.6 Beta 2 DEBUG (2.6.0.20) on .NET 2.0.50727.1433
Type "help", "copyright", "credits" or "license" for more information.
>>> import logging
>>> logging.warn("Hello")
Traceback (most recent call last):
  File "/usr/lib/python2.6/logging/__init__.py", line 777, in emit
    fs = fs.decode(stream.encoding)
SystemError: An exception was thrown by the type initializer for CodecsInfo

With debugging (MONO_LOG_LEVEL="debug"):

>>> logging.warn("Hello")
Mono-INFO: Assembly Loader probing location: '/usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll'.
Mono-INFO: Image addref I18N 0x7f697c6a0e70 -> /usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll 0x7f697c6b9a40: 2

Mono-INFO: Assembly I18N 0x7f697c6a0e70 added to domain ipy.exe, ref_count=1

Mono-INFO: AOT failed to load AOT module /usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll.so: /usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll.so: cannot open shared object file: No such file or directory

Mono-INFO: Assembly Loader loaded assembly from location: '/usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll'.
Mono-INFO: Config attempting to parse: '/usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll.config'.
Mono-INFO: Config attempting to parse: '/etc/mono/assemblies/I18N/I18N.config'.
Mono-INFO: Config attempting to parse: '/home/talex/.mono/assemblies/I18N/I18N.config'.
Mono-INFO: Assembly Ref addref I18N 0x7f697c6a0e70 -> mscorlib 0xd497d0: 15

Mono-INFO: Assembly Loader probing location: '/usr/lib/mono/gac/I18N.Rare/2.0.0.0__0738eb9f132ed756/I18N.Rare.dll'.
Mono-INFO: Assembly Loader probing location: '/usr/lib/I18N.Rare.dll'.
Mono-INFO: Assembly Loader probing location: '/usr/lib/mono/gac/I18N.Rare/2.0.0.0__0738eb9f132ed756/I18N.Rare.exe'.
Mono-INFO: Assembly Loader probing location: '/usr/lib/I18N.Rare.exe'.
Mono-INFO: Assembly Loader probing location: '/usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll'.
Mono-INFO: AOT failed to load AOT module /usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll.so: /usr/lib/mono/gac/I18N/2.0.0.0__0738eb9f132ed756/I18N.dll.so: cannot open shared object file: No such file or directory

Traceback (most recent call last):
  File "/usr/lib/python2.6/logging/__init__.py", line 777, in emit
    fs = fs.decode(stream.encoding)
SystemError: An exception was thrown by the type initializer for CodecsInfo

Thanks,

[Eric Talevich (eric-talevich)]

I fixed this by installing the mono library: libmono-i18n2.0-cil

Looks like that package should be added as a dependency of the ironpython package.

[Thomas Leonard (talex5)]

Thanks, that helped - my program gets a lot further now!

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.