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  1. Python Driver
  2. PYTHON-1350

After migration to 3.4.7: [Errno 42] Protocol option not available

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 3.5.1
    • Affects Version/s: 3.5
    • Component/s: Connection Mgmt
    • None
    • Environment:
      NetBSD web.mx.plus 6.1_STABLE NetBSD 6.1_STABLE (GENERIC) #3: Thu Jul 27 20:35:53 CEST 2017 bjjl@web.mx.plus:/data/stable/obj/sys/arch/i386/compile/GENERIC i386

      After upgrading my Replica Set to 3.4.7, coming from 3.4.6, and upgrading pymongo from 3.4.0 to 3.5.0 (the latest one available through pip), my app does not start anymore:

      File "/usr/pkg/lib/python2.7/site-packages/pymongo/topology.py", line 189, in select_servers
      self._error_message(selector))
      pymongo.errors.ServerSelectionTimeoutError: mx2.db.zone:45017: [Errno 42] Protocol option not available,mx1.db.zone:45017: [Errno 42] Protocol option not available
      unable to load app 0 (mountpoint='') (callable not found or import error)

      All servers from the Replica Set are reachable (and DNS resolvable) from the app.

      Using this connection string:

      MONGO_URI = 'mongodb://myuser:mypasswordxxx@mx1.db.zone:45017,mx2.db.zone:45017/qwabbl?replicaSet=mxplus&connect=false'

            Assignee:
            bernie@mongodb.com Bernie Hackett
            Reporter:
            benjamin.lorenz@mongodb.com Benjamin Lorenz
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              Created:
              Updated:
              Resolved: