Logstash with Azure Blob Storage Failed to open TCP connection

[Fire_fire]

[ERROR][logstash.inputs.logstashinputazureblob] Oh My, An error occurred. Failed to open TCP connection to xxxxxxx.blob.https:443 (initialize: name or service not known): ["org/jruby/ext/socket/RubyTCPSocket.java:137:in initialize'", "org/jruby/RubyIO.java:1154:inopen'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:885:in block in connect'", "org/jruby/ext/timeout/Timeout.java:149:intimeout'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:883:in connect'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:868:indo_start'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:857:in start'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:1409:inrequest'", "uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/net/http.rb:1167:in get'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/adapter/net_http.rb:80:inperform_request'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/adapter/net_http.rb:40:in block in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/adapter/net_http.rb:87:inwith_net_http_connection'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/adapter/net_http.rb:32:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday_middleware-0.13.1/lib/faraday_middleware/response/follow_redirects.rb:87:inperform_with_redirection'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday_middleware-0.13.1/lib/faraday_middleware/response/follow_redirects.rb:75:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/rack_builder.rb:139:inbuild_response'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/faraday-0.9.2/lib/faraday/connection.rb:377:in run_request'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/http_response_helper.rb:27:inset_up_response'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/http/http_request.rb:149:in call'", "org/jruby/RubyMethod.java:111:incall'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/http/retry_policy.rb:48:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/http/http_request.rb:110:inblock in with_filter'", "org/jruby/RubyMethod.java:111:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/http/signer_filter.rb:28:incall'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/http/http_request.rb:110:in block in with_filter'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/service.rb:36:incall'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/filtered_service.rb:34:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-core-0.1.15/lib/azure/core/signed_service.rb:41:incall'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-storage-0.15.0.preview/lib/azure/storage/service/storage_service.rb:62:in call'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-storage-0.15.0.preview/lib/azure/storage/blob/blob_service.rb:62:incall'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/azure-storage-0.15.0.preview/lib/azure/storage/blob/container.rb:624:in list_blobs'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-azureblob-0.9.13-java/lib/logstash/inputs/azureblob.rb:274:inblock in list_all_blobs'", "org/jruby/RubyKernel.java:1292:in loop'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-azureblob-0.9.13-java/lib/logstash/inputs/azureblob.rb:272:inlist_all_blobs'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-azureblob-0.9.13-java/lib/logstash/inputs/azureblob.rb:347:in register_for_read'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-azureblob-0.9.13-java/lib/logstash/inputs/azureblob.rb:165:inprocess'", "/usr/share/logstash/vendor/bundle/jruby/2.3.0/gems/logstash-input-azureblob-0.9.13-java/lib/logstash/inputs/azureblob.rb:151:in run'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:426:ininputworker'", "/usr/share/logstash/logstash-core/lib/logstash/pipeline.rb:420:in `block in start_input'"] {:exception=>#Faraday::ConnectionFailed}