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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: 2.0.6
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Component/s: None
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Labels:None
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Environment:Ubuntu, Mongo 2.4.9 cluster with SSL and authentication enabled.
In rare cases, we get an SSL error. This would not be a big issue, except that the driver then enters a state where it never manages to connect again.
Stack trace:
OpenSSL::SSL::SSLError SSL_read: unknown protocol: /opt/ruby-2.0.0-p481/lib/ruby/2.0.0/openssl/buffering.rb:54:in `sysread' /opt/ruby-2.0.0-p481/lib/ruby/2.0.0/openssl/buffering.rb:54:in `fill_rbuff' /opt/ruby-2.0.0-p481/lib/ruby/2.0.0/openssl/buffering.rb:294:in `eof?' mongo (2.0.6) lib/mongo/socket.rb:164:in `eof?' mongo (2.0.6) lib/mongo/socket.rb:61:in `alive?' mongo (2.0.6) lib/mongo/server/connectable.rb:93:in `ensure_connected' mongo (2.0.6) lib/mongo/server/connection.rb:130:in `write' mongo (2.0.6) lib/mongo/server/connectable.rb:66:in `block in dispatch' mongo (2.0.6) lib/mongo/loggable.rb:44:in `log' mongo (2.0.6) lib/mongo/loggable.rb:67:in `log_debug' mongo (2.0.6) lib/mongo/server/connectable.rb:65:in `dispatch' mongo (2.0.6) lib/mongo/operation/write/insert.rb:77:in `block in execute_message' mongo (2.0.6) lib/mongo/server/connection_pool.rb:99:in `with_connection' mongo (2.0.6) lib/mongo/server/context.rb:63:in `with_connection' mongo (2.0.6) lib/mongo/operation/write/insert.rb:76:in `execute_message' mongo (2.0.6) lib/mongo/operation/write/insert.rb:64:in `execute' mongo (2.0.6) lib/mongo/collection.rb:196:in `insert_many' mongo (2.0.6) lib/mongo/collection.rb:175:in `insert_one'
When this happens, the driver should close the connection and open a new one. However, since #eof? is failing, it never attempts to connect again, and keeps on failing with the same error.
A simple fix of catching OpenSSL::SSL::SSLError here should work:
https://github.com/mongodb/mongo-ruby-driver/blob/v2.1.0.rc0/lib/mongo/socket.rb#L165