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  1. Ruby Driver
  2. RUBY-1231

TypeError: wrong argument type Integer (expected Proc) with MRI 2.4.0

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor - P4
    • Resolution: Fixed
    • Affects Version/s: 2.4.2
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Environment:
      Ruby: 2.4.0
      Mongo gem: 2.4.2
      Mongodb: Sharded DB running MongoDB v. 3.4.6
      mongos and ruby code are running on the same host, connection to mongos is through localhost

      Description

      Read/write operation on sharded collection occasionally throw TypeError exception. As the errors occur randomly, every few 100s of thousands of calls, it's difficult to provide a working example reliably triggering the bug.
      Subsequent invocation of the operation with the same arguments always results in successful execution. As a temporary workaround the following code has been used:

      retrying = false
      begin
         result = @collection.insert_many(data)
         #found_ids = @collection.find({:id => {'$in' => ids}},:projection => {:id => 1, :_id => 0}).to_a;
         #result = @collection.update_one({:id => j[:id]}, {'$set' => j}, {:upsert => true})
      rescue => e
         log_error "#{(retrying)?"***RETRY***":"*will retry*"} Exception: #{e.inspect}\nBacktrace:\n#{e.backtrace.join("\n\t").sub("\n\t", ": #{e}#{e.class ? " (#{e.class})" : ''}\n\t")}\n"
         unless retrying
            retrying = true
            retry
         else
            log_error "***REDO*** Exception occurred in second iteration."
         end
         retrying = false
      end
      

      Exception occurring while reading data:

      /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:228:in `max_message_size': wrong argument type Integer (expected Proc) (TypeError)
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:195:in `block in write'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:192:in `each'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:192:in `write'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:162:in `deliver'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:108:in `block in dispatch'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/monitoring/publishable.rb:47:in `publish_command'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:107:in `dispatch'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/executable.rb:37:in `block in execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection_pool.rb:107:in `with_connection'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server.rb:242:in `with_connection'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/executable.rb:35:in `execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/iterable.rb:81:in `send_initial_query'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/iterable.rb:41:in `block in each'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/retryable.rb:43:in `read_with_retry'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/iterable.rb:39:in `each'
              ../../prog.rb:271:in `to_a'
              ../../prog.rb:271:in `b_import_data'
              ../../prog:561:in `<main>'
      

      Exception occurring in insert_many:

      /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:228:in `cluster': wrong argument type Integer (expected Proc) (TypeError)
              /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:222:in `next_primary'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/bulk_write.rb:58:in `block in execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/retryable.rb:104:in `write_with_retry'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/bulk_write.rb:56:in `execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection.rb:401:in `bulk_write'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection.rb:379:in `insert_many'
              ../../prog:277:in `b_import_data'
              ../../prog.rb:544:in `<main>'
      

      There are two exception scenarios for update_one

      /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:228:in `max_message_size': wrong argument type Integer (expected Proc) (TypeError)
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connectable.rb:114:in `block in read'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connectable.rb:97:in `ensure_connected'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connectable.rb:113:in `read'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:163:in `deliver'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:108:in `block in dispatch'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/monitoring/publishable.rb:47:in `publish_command'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection.rb:107:in `dispatch'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/write/command/writable.rb:39:in `block in execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server/connection_pool.rb:107:in `with_connection'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/server.rb:242:in `with_connection'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/write/command/writable.rb:38:in `execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/write/write_command_enabled.rb:57:in `execute_write_command'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/operation/write/write_command_enabled.rb:41:in `execute'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:244:in `block in update'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/retryable.rb:104:in `write_with_retry'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:234:in `update'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:209:in `update_one'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection.rb:523:in `update_one'
              ../../prog.rb:141:in `import_data'
              ../../prog.rb:367:in `<main>'
      

      /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:228:in `cluster': wrong argument type Integer (expected Proc) (TypeError)
              /home/j/.rvm/rubies/ruby-2.4.0/lib/ruby/2.4.0/forwardable.rb:222:in `next_primary'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:235:in `block in update'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/retryable.rb:104:in `write_with_retry'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:234:in `update'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection/view/writable.rb:209:in `update_one'
              /home/j/.rvm/gems/ruby-2.4.0/gems/mongo-2.4.2/lib/mongo/collection.rb:523:in `update_one'
              ../../prog.rb:141:in `import_data'
              ../../prog.rb:367:in `<main>'
      

      Mongos log file does not contain any error messages.

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