construct.core.ArrayError: ('expected 51, found 9', MappingError('no decoding mapping for 50 [cmd]',))

[soleimanim]

Could not sign IPA due to the following error:

File "/usr/local/bin/isign", line 4, in <module> __import__('pkg_resources').run_script('ak-isign==0.10.14', 'isign') File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 658, in run_script self.require(requires)[0].run_script(script_name, ns) File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1438, in run_script exec(code, namespace, namespace) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/EGG-INFO/scripts/isign", line 251, in <module> isign.resign(app_path, **kwargs) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/isign.py", line 83, in resign alternate_entitlements_path) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/archive.py", line 412, in resign ua.bundle.resign(deep, signer, provisioning_profile, alternate_entitlements_path) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 294, in resign super(App, self).resign(deep, signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 181, in resign self.sign(deep, signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/bundle.py", line 176, in sign executable = self.signable_class(self, self.get_executable_path(), signer) File "/usr/local/lib/python3.6/dist-packages/ak_isign-0.10.14-py3.6.egg/isign/signable.py", line 40, in __init__ self.m = macho.MachoFile.parse_stream(self.f) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 198, in parse_stream return self._parse(stream, Container()) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 672, in _parse subobj = sc._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 853, in _parse obj = self.cases.get(key, self.default)._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 672, in _parse subobj = sc._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 271, in _parse return self.subcon._parse(stream, context) File "/usr/local/lib/python3.6/dist-packages/ak_construct-2.5.2-py3.6.egg/construct/core.py", line 447, in _parse raise ArrayError("expected %d, found %d" % (count, c), sys.exc_info()[1]) construct.core.ArrayError: ('expected 51, found 9', MappingError('no decoding mapping for 50 [cmd]',))

[MuAlphaOmegaEpsilon]

Same on the current master (0.10.16), using --verbose:

Signing with apple_cert: .../lib/python3.7/site-packages/isign/apple_credentials/applecerts.pem
Signing with key: .../ios_devkey.pem
Signing with certificate: .../ios_devcer.pem
Signing with provisioning_profile: .../file.mobileprovision
precheck
path: .../unsigned.ipa
extension match
extension match: .ipa
this is an archive, and a zipfile
found one app
is_native: True
found one app
File .../unsigned.ipa matched as IpaArchive
wrote Entitlements to /tmp/isign-55cx8rsq/Payload/App.app/Entitlements.plist
working on /tmp/isign-55cx8rsq/Payload/App.app/App
removing ua: /tmp/isign-55cx8rsq
Traceback (most recent call last):
  File ".../lib/python3.7/site-packages/construct/adapters.py", line 100, in _decode
    return self.decoding[obj]
KeyError: 50

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File ".../lib/python3.7/site-packages/construct/core.py", line 444, in _parse
    obj.append(self.subcon._parse(stream, context))
  File ".../lib/python3.7/site-packages/construct/core.py", line 672, in _parse
    subobj = sc._parse(stream, context)
  File ".../lib/python3.7/site-packages/construct/core.py", line 288, in _parse
    return self._decode(self.subcon._parse(stream, context), context)
  File ".../lib/python3.7/site-packages/construct/adapters.py", line 104, in _decode
    obj, self.subcon.name))
construct.adapters.MappingError: no decoding mapping for 50 [cmd]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File ".../bin/isign", line 251, in <module>
    isign.resign(app_path, **kwargs)
  File ".../lib/python3.7/site-packages/isign/isign.py", line 83, in resign
    alternate_entitlements_path)
  File ".../lib/python3.7/site-packages/isign/archive.py", line 412, in resign
    ua.bundle.resign(deep, signer, provisioning_profile, alternate_entitlements_path)
  File ".../lib/python3.7/site-packages/isign/bundle.py", line 294, in resign
    super(App, self).resign(deep, signer)
  File ".../lib/python3.7/site-packages/isign/bundle.py", line 181, in resign
    self.sign(deep, signer)
  File ".../lib/python3.7/site-packages/isign/bundle.py", line 176, in sign
    executable = self.signable_class(self, self.get_executable_path(), signer)
  File ".../lib/python3.7/site-packages/isign/signable.py", line 40, in __init__
    self.m = macho.MachoFile.parse_stream(self.f)
  File ".../lib/python3.7/site-packages/construct/core.py", line 198, in parse_stream
    return self._parse(stream, Container())
  File ".../lib/python3.7/site-packages/construct/core.py", line 672, in _parse
    subobj = sc._parse(stream, context)
  File ".../lib/python3.7/site-packages/construct/core.py", line 853, in _parse
    obj = self.cases.get(key, self.default)._parse(stream, context)
  File ".../lib/python3.7/site-packages/construct/core.py", line 672, in _parse
    subobj = sc._parse(stream, context)
  File ".../lib/python3.7/site-packages/construct/core.py", line 271, in _parse
    return self.subcon._parse(stream, context)
  File ".../lib/python3.7/site-packages/construct/core.py", line 447, in _parse
    raise ArrayError("expected %d, found %d" % (count, c), sys.exc_info()[1])
construct.core.ArrayError: ('expected 24, found 10', MappingError('no decoding mapping for 50 [cmd]'))

[jesshub]

I'm having the same problem, it seems to just apply to newer/recent ipa files, did anyone manage to fix this?

[subho007]

This is no longer maintained, but I'll try to get a patch to fix this

[jesshub]

Hi, any update on this issue?