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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/faq.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/faq.rst b/docs/faq.rst index 363a350f..14077691 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -23,5 +23,20 @@ OpenSSL. You're seeing this error because your copy of pip is too old to find our wheel files. Upgrade your copy of pip with ``pip install -U pip`` and then try install ``cryptography`` again. +Starting ``cryptography`` using ``mod_wsgi`` produces an ``InternalError`` during a call in ``_register_osrandom_engine`` +------------------------------------------------------------------------------------------------------------------------- + +This happens because ``mod_wsgi`` uses sub-interpreters, which can cause a +problem during initialization of the OpenSSL backend. To resolve this set the +`WSGIApplicationGroup`_ to ``%{GLOBAL}`` in the ``mod_wsgi`` configuration. + +``cryptography`` raised an ``InternalError`` and I'm not sure what to do? +------------------------------------------------------------------------- + +Frequently ``InternalError`` is raised when there are errors on the OpenSSL +error stack that were placed there by other libraries that are also using +OpenSSL. Try removing the other libraries and see if the problem persists. + .. _`NaCl`: https://nacl.cr.yp.to/ .. _`PyNaCl`: https://pynacl.readthedocs.org +.. _`WSGIApplicationGroup`: https://modwsgi.readthedocs.org/en/develop/configuration-directives/WSGIApplicationGroup.html |