Hello, Because python-cryptography dont't work, calendarserver don't work.
arserver[2089]: Traceback (most recent call last): arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 579, in parseOptio arserver[2089]: usage.Options.parseOptions(self, options) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/usage.py", line 262, in parseOptions arserver[2089]: for (cmd, short, parser, doc) in self.subCommands: arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 596, in subCommand arserver[2089]: for plug in sorted(plugins, key=attrgetter('tapname')): arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugin.py", line 213, in getPlugins arserver[2089]: allDropins = getCache(package) arserver[2089]: --- <exception caught here> --- arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugin.py", line 171, in getCache arserver[2089]: provider = pluginModule.load() arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/modules.py", line 389, in load arserver[2089]: return self.pathEntry.pythonPath.moduleLoader(self.name) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 303, in namedAny arserver[2089]: topLevelPackage = _importAndCheckStack(trialname) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 242, in _importAndC arserver[2089]: return __import__(importName) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugins/twisted_core.py", line 5, in <module arserver[2089]: from twisted.internet.endpoints import ( arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/internet/endpoints.py", line 48, in <module> arserver[2089]: from twisted.protocols.tls import TLSMemoryBIOFactory arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/protocols/tls.py", line 41, in <module> arserver[2089]: from OpenSSL.SSL import Error, ZeroReturnError, WantReadError arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module> arserver[2089]: from OpenSSL import rand, crypto, SSL arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/rand.py", line 11, in <module> sam. 2016-05-14 21:09:01 CEST. -- d[1]: Starting LSB: Calendar and Contacts Server... arserver[2089]: Unhandled Error arserver[2089]: Traceback (most recent call last): arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 579, in parseOptio arserver[2089]: usage.Options.parseOptions(self, options) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/usage.py", line 262, in parseOptions arserver[2089]: for (cmd, short, parser, doc) in self.subCommands: arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 596, in subCommand arserver[2089]: for plug in sorted(plugins, key=attrgetter('tapname')): arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugin.py", line 213, in getPlugins arserver[2089]: allDropins = getCache(package) arserver[2089]: --- <exception caught here> --- arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugin.py", line 171, in getCache arserver[2089]: provider = pluginModule.load() arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/modules.py", line 389, in load arserver[2089]: return self.pathEntry.pythonPath.moduleLoader(self.name) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 303, in namedAny arserver[2089]: topLevelPackage = _importAndCheckStack(trialname) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 242, in _importAndC arserver[2089]: return __import__(importName) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugins/twisted_core.py", line 5, in <module arserver[2089]: from twisted.internet.endpoints import ( arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/internet/endpoints.py", line 48, in <module> arserver[2089]: from twisted.protocols.tls import TLSMemoryBIOFactory arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/protocols/tls.py", line 41, in <module> arserver[2089]: from OpenSSL.SSL import Error, ZeroReturnError, WantReadError arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module> arserver[2089]: from OpenSSL import rand, crypto, SSL arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/rand.py", line 11, in <module> arserver[2089]: from OpenSSL._util import ( arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/_util.py", line 6, in <module> arserver[2089]: from cryptography.hazmat.bindings.openssl.binding import Binding arserver[2089]: File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", li arserver[2089]: error=-1) arserver[2089]: File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", li arserver[2089]: ffi.def_extern(name=name, **kwargs)(func) arserver[2089]: exceptions.AttributeError: 'CompiledFFI' object has no attribute 'def_extern' arserver[2089]: Traceback (most recent call last): arserver[2089]: File "/usr/bin/twistd", line 18, in <module> arserver[2089]: run() arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/scripts/twistd.py", line 29, in run arserver[2089]: app.run(runApp, ServerOptions) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 612, in run arserver[2089]: config.parseOptions() arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 579, in parseOptio arserver[2089]: usage.Options.parseOptions(self, options) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/usage.py", line 262, in parseOptions arserver[2089]: for (cmd, short, parser, doc) in self.subCommands: arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/application/app.py", line 596, in subCommand arserver[2089]: for plug in sorted(plugins, key=attrgetter('tapname')): arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/plugins/caldav.py", line 29, in getProperty arserver[2089]: return getattr(reflect.namedClass(self.serviceMakerClass), propname) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 168, in namedObject arserver[2089]: module = namedModule('.'.join(classSplit[:-1])) arserver[2089]: File "/usr/lib/python2.7/dist-packages/twisted/python/reflect.py", line 154, in namedModule arserver[2089]: topLevel = __import__(name) arserver[2089]: File "/usr/lib/python2.7/dist-packages/calendarserver/tap/caldav.py", line 36, in <module> arserver[2089]: import OpenSSL arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module> arserver[2089]: from OpenSSL import rand, crypto, SSL arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/rand.py", line 11, in <module> arserver[2089]: from OpenSSL._util import ( arserver[2089]: File "/usr/lib/python2.7/dist-packages/OpenSSL/_util.py", line 6, in <module> arserver[2089]: from cryptography.hazmat.bindings.openssl.binding import Binding arserver[2089]: File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", li arserver[2089]: error=-1) arserver[2089]: File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", li arserver[2089]: ffi.def_extern(name=name, **kwargs)(func) arserver[2089]: AttributeError: 'CompiledFFI' object has no attribute 'def_extern' d[1]: Started LSB: Calendar and Contacts Server. Could you help me to fix this bug ? Tanks for your support. Best regards Battant ** Also affects: python-cryptography (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512792 Title: Pip crashes with cryptography/cffi/openssl error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calendarserver/+bug/1512792/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs