zlib compression broken in driver 2.12.1

require 'mongoid'

client = Mongo::Client.new('mongodb://127.0.0.1:27017/test?compressors=zlib')

Mongo::Logger.logger.level = :warn

puts Mongo::VERSION

puts client.database.collection_names

> ruby mongo-zlib.rb 

D, [2020-05-01T15:09:55.543368 #29022] DEBUG -- : MONGODB | EVENT: #<TopologyOpening topology=Unknown[]>

D, [2020-05-01T15:09:55.543405 #29022] DEBUG -- : MONGODB | Topology type 'unknown' initializing.

D, [2020-05-01T15:09:55.543496 #29022] DEBUG -- : MONGODB | EVENT: #<TopologyChanged prev=Unknown[] new=Unknown[127.0.0.1:27017]>

D, [2020-05-01T15:09:55.543518 #29022] DEBUG -- : MONGODB | Topology type 'Unknown' changed to type 'Unknown'.

D, [2020-05-01T15:09:55.543593 #29022] DEBUG -- : MONGODB | EVENT: #<ServerOpening address=127.0.0.1:27017 topology=Unknown[127.0.0.1:27017]>

D, [2020-05-01T15:09:55.543611 #29022] DEBUG -- : MONGODB | Server 127.0.0.1:27017 initializing.

D, [2020-05-01T15:09:55.543680 #29022] DEBUG -- : MONGODB | Waiting for up to 30.00 seconds for servers to be scanned: #<Cluster topology=Unknown[127.0.0.1:27017] servers=[#<Server address=127.0.0.1:27017 UNKNOWN>]>

D, [2020-05-01T15:09:55.544448 #29022] DEBUG -- : MONGODB | EVENT: #<ServerDescriptionChanged address=127.0.0.1:27017 topology=Single[127.0.0.1:27017] prev=#<Mongo::Server:Description:0x70120735093560 config={} average_round_trip_time=> new=#<Mongo::Server:Description:0x70120735105880 config={"ismaster"=>true, "maxBsonObjectSize"=>16777216, "maxMessageSizeBytes"=>48000000, "maxWriteBatchSize"=>100000, "localTime"=>2020-05-01 13:09:55 UTC, "logicalSessionTimeoutMinutes"=>30, "connectionId"=>635, "minWireVersion"=>0, "maxWireVersion"=>8, "readOnly"=>false, "compression"=>["zlib"], "ok"=>1.0} average_round_trip_time=0.000607605>>

D, [2020-05-01T15:09:55.544481 #29022] DEBUG -- : MONGODB | Server description for 127.0.0.1:27017 changed from 'unknown' to 'standalone'.

D, [2020-05-01T15:09:55.544551 #29022] DEBUG -- : MONGODB | EVENT: #<TopologyChanged prev=Unknown[127.0.0.1:27017] new=Single[127.0.0.1:27017]>

D, [2020-05-01T15:09:55.544574 #29022] DEBUG -- : MONGODB | Topology type 'Unknown' changed to type 'Single'.

2.11.4

comments

users

> ruby mongo-zlib.rb 

D, [2020-05-01T15:09:29.934969 #28743] DEBUG -- : MONGODB | EVENT: #<TopologyOpening topology=Unknown[]>

D, [2020-05-01T15:09:29.935007 #28743] DEBUG -- : MONGODB | Topology type 'unknown' initializing.

D, [2020-05-01T15:09:29.935093 #28743] DEBUG -- : MONGODB | EVENT: #<TopologyChanged prev=Unknown[] new=Unknown[127.0.0.1:27017]>

D, [2020-05-01T15:09:29.935118 #28743] DEBUG -- : MONGODB | Topology type 'Unknown' changed to type 'Unknown'.

D, [2020-05-01T15:09:29.935198 #28743] DEBUG -- : MONGODB | EVENT: #<ServerOpening address=127.0.0.1:27017 topology=Unknown[127.0.0.1:27017]>

D, [2020-05-01T15:09:29.935216 #28743] DEBUG -- : MONGODB | Server 127.0.0.1:27017 initializing.

D, [2020-05-01T15:09:29.935352 #28743] DEBUG -- : MONGODB | Waiting for up to 30.00 seconds for servers to be scanned: #<Cluster topology=Unknown[127.0.0.1:27017] servers=[#<Server address=127.0.0.1:27017 UNKNOWN>]>

D, [2020-05-01T15:09:29.936238 #28743] DEBUG -- : MONGODB | EVENT: #<ServerDescriptionChanged address=127.0.0.1:27017 topology=Single[127.0.0.1:27017] prev=#<Mongo::Server:Description:0x70352083072140 config={} average_round_trip_time=> new=#<Mongo::Server:Description:0x70352083115600 config={"ismaster"=>true, "maxBsonObjectSize"=>16777216, "maxMessageSizeBytes"=>48000000, "maxWriteBatchSize"=>100000, "localTime"=>2020-05-01 13:09:29 UTC, "logicalSessionTimeoutMinutes"=>30, "connectionId"=>633, "minWireVersion"=>0, "maxWireVersion"=>8, "readOnly"=>false, "compression"=>["zlib"], "ok"=>1.0} average_round_trip_time=0.000688349>>

D, [2020-05-01T15:09:29.936270 #28743] DEBUG -- : MONGODB | Server description for 127.0.0.1:27017 changed from 'unknown' to 'standalone'.

D, [2020-05-01T15:09:29.936339 #28743] DEBUG -- : MONGODB | EVENT: #<TopologyChanged prev=Unknown[127.0.0.1:27017] new=Single[127.0.0.1:27017]>

D, [2020-05-01T15:09:29.936361 #28743] DEBUG -- : MONGODB | Topology type 'Unknown' changed to type 'Single'.

2.12.1

Traceback (most recent call last):

	34: from mongo-zlib.rb:7:in `<main>'

	33: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/database.rb:120:in `collection_names'

	32: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/database/view.rb:57:in `collection_names'

	31: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/retryable.rb:60:in `read_with_retry_cursor'

	30: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/retryable.rb:117:in `read_with_retry'

	29: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/retryable.rb:316:in `modern_read_with_retry'

	28: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/retryable.rb:61:in `block in read_with_retry_cursor'

	27: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/database/view.rb:58:in `block in collection_names'

	26: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/database/view.rb:177:in `send_initial_query'

	25: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/collections_info.rb:47:in `execute'

	24: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/op_msg_or_command.rb:27:in `execute'

	23: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:38:in `execute'

	22: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:26:in `do_execute'

	21: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/response_handling.rb:73:in `unpin_maybe'

	20: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:27:in `block in do_execute'

	19: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/response_handling.rb:43:in `add_error_labels'

	18: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:28:in `block (2 levels) in do_execute'

	17: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/response_handling.rb:87:in `add_server_diagnostics'

	16: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:29:in `block (3 levels) in do_execute'

	15: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:50:in `get_result'

	14: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:55:in `dispatch_message'

	13: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server.rb:422:in `with_connection'

	12: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connection_pool.rb:571:in `with_connection'

	11: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/operation/shared/executable.rb:58:in `block in dispatch_message'

	10: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connection_base.rb:135:in `dispatch'

	 9: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connection.rb:405:in `deliver'

	 8: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connection_base.rb:145:in `deliver'

	 7: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connectable.rb:83:in `ensure_connected'

	 6: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/server/connection_base.rb:154:in `block in deliver'

	 5: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/message.rb:222:in `deserialize'

	 4: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/message.rb:222:in `each'

	 3: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/message.rb:226:in `block in deserialize'

	 2: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/message.rb:398:in `deserialize_field'

	 1: from /home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/serializers.rb:449:in `deserialize'

/home/bigbourin/.rbenv/versions/2.6.4/lib/ruby/gems/2.6.0/gems/mongo-2.12.1/lib/mongo/protocol/serializers.rb:449:in `get_bytes': Attempted to read 518821760 bytes, but only 135 bytes remain (RangeError)