relative-uri-error

stacktrace.rb

URI::BadURIError: relative URI: 
  from uri/generic.rb:1491:in `find_proxy'
  from faraday/connection.rb:88:in `block in initialize'
  from faraday/options.rb:75:in `fetch'
  from faraday/connection.rb:83:in `initialize'
  from faraday.rb:67:in `new'
  from faraday.rb:67:in `new'
  from active_fedora/fedora.rb:89:in `authorized_connection'
  from active_fedora/fedora.rb:63:in `caching_connection'
  from active_fedora/fedora.rb:83:in `build_connection'
  from active_fedora/fedora.rb:54:in `connection'
  from active_fedora/ldp_cache.rb:24:in `call'
  from flipflop/feature_cache.rb:12:in `call'
  from action_dispatch/middleware/callbacks.rb:26:in `block in call'
  from active_support/callbacks.rb:97:in `run_callbacks'
  from action_dispatch/middleware/callbacks.rb:24:in `call'
  from action_dispatch/middleware/debug_exceptions.rb:59:in `call'
  from action_dispatch/middleware/show_exceptions.rb:31:in `call'
  from rails/rack/logger.rb:36:in `call_app'
  from rails/rack/logger.rb:24:in `block in call'
  from active_support/tagged_logging.rb:69:in `block in tagged'
  from active_support/tagged_logging.rb:26:in `tagged'
  from active_support/tagged_logging.rb:69:in `tagged'
  from rails/rack/logger.rb:24:in `call'
  from action_dispatch/middleware/remote_ip.rb:79:in `call'
  from action_dispatch/middleware/request_id.rb:25:in `call'
  from rack/method_override.rb:22:in `call'
  from rack/runtime.rb:22:in `call'
  from active_support/cache/strategy/local_cache_middleware.rb:27:in `call'
  from action_dispatch/middleware/executor.rb:12:in `call'
  from action_dispatch/middleware/static.rb:125:in `call'
  from action_dispatch/middleware/static.rb:125:in `call'
  from rack/sendfile.rb:111:in `call'
  from secure_headers/middleware.rb:12:in `call'
  from raven/integrations/rack.rb:51:in `call'
  from rails/engine.rb:522:in `call'
  from puma/configuration.rb:224:in `call'
  from puma/server.rb:602:in `handle_request'
  from puma/server.rb:435:in `process_client'
  from puma/server.rb:299:in `block in run'
  from puma/thread_pool.rb:120:in `block in spawn_thread'