实用指南：解决 xmlsec.InternalError: (-1, ‘lxml & xmlsec libxml2 library version mismatch‘)

解决 xmlsec.InternalError: (-1, ‘lxml & xmlsec libxml2 library version mismatch’)

错误信息如下：

Traceback (most recent call last):
File "/home/mobsf/Mobile-Security-Framework-MobSF/manage.py", line 18, in 
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 436, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 416, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 457, in execute
self.check(**check_kwargs)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 492, in check
all_issues = checks.run_checks(
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/registry.py", line 89, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 44, in check_url_namespaces_unique
all_namespaces = _load_all_namespaces(resolver)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 63, in _load_all_namespaces
url_patterns = getattr(resolver, "url_patterns", [])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 718, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 711, in urlconf_module
return import_module(self.urlconf_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/urls.py", line 25, in 
from mobsf.MobSF.views import (
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/views/saml2.py", line 5, in 
from onelogin.saml2.auth import (
File "/usr/local/lib/python3.12/site-packages/onelogin/saml2/auth.py", line 12, in 
import xmlsec
xmlsec.InternalError: (-1, 'lxml & xmlsec libxml2 library version mismatch')
[INFO] 29/May/2025 06:02:33 - Loading User config from: /home/mobsf/.MobSF/config.py
Traceback (most recent call last):
File "/home/mobsf/Mobile-Security-Framework-MobSF/manage.py", line 18, in 
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 436, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 416, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.12/site-packages/django/contrib/auth/management/commands/createsuperuser.py", line 90, in execute
return super().execute(*args, **options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 457, in execute
self.check(**check_kwargs)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 492, in check
all_issues = checks.run_checks(
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/registry.py", line 89, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 44, in check_url_namespaces_unique
all_namespaces = _load_all_namespaces(resolver)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 63, in _load_all_namespaces
url_patterns = getattr(resolver, "url_patterns", [])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 718, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 711, in urlconf_module
return import_module(self.urlconf_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/urls.py", line 25, in 
from mobsf.MobSF.views import (
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/views/saml2.py", line 5, in 
from onelogin.saml2.auth import (
File "/usr/local/lib/python3.12/site-packages/onelogin/saml2/auth.py", line 12, in 
import xmlsec
xmlsec.InternalError: (-1, 'lxml & xmlsec libxml2 library version mismatch')
[INFO] 29/May/2025 06:02:35 - Loading User config from: /home/mobsf/.MobSF/config.py
Traceback (most recent call last):
File "/home/mobsf/Mobile-Security-Framework-MobSF/manage.py", line 18, in 
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 436, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 416, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 457, in execute
self.check(**check_kwargs)
File "/usr/local/lib/python3.12/site-packages/django/core/management/base.py", line 492, in check
all_issues = checks.run_checks(
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/registry.py", line 89, in run_checks
new_errors = check(app_configs=app_configs, databases=databases)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 44, in check_url_namespaces_unique
all_namespaces = _load_all_namespaces(resolver)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/core/checks/urls.py", line 63, in _load_all_namespaces
url_patterns = getattr(resolver, "url_patterns", [])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 718, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
res = instance.__dict__[self.name] = self.func(instance)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 711, in urlconf_module
return import_module(self.urlconf_name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1387, in _gcd_import
File "", line 1360, in _find_and_load
File "", line 1331, in _find_and_load_unlocked
File "", line 935, in _load_unlocked
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/urls.py", line 25, in 
from mobsf.MobSF.views import (
File "/home/mobsf/Mobile-Security-Framework-MobSF/mobsf/MobSF/views/saml2.py", line 5, in 
from onelogin.saml2.auth import (
File "/usr/local/lib/python3.12/site-packages/onelogin/saml2/auth.py", line 12, in 
import xmlsec
xmlsec.InternalError: (-1, 'lxml & xmlsec libxml2 library version mismatch')

---

---

解决方法：

查看xmlsec版本

xmlsec = “1.3.14”

安装对应的版本：

lxml >= 4.6.5, !=4.7.0, <=5.2.1

也可以指定版本：

lxml = "==5.2.1"

pip install lxml==5.2.1