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Type:
Bug
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Resolution: Unresolved
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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Labels:None
On 4.0.11 a bulk insert with one small document followed by a document much larger than 16MiB. ie coll.insert_many([small_doc, very_large_doc]):
File "/Users/shane/git/mongo-python-driver/test/test_encryption.py", line 448, in test_large_op_msg_bulk self.db.coll.bulk_write([InsertOne(doc1), InsertOne(doc2)]) File "/Users/shane/git/mongo-python-driver/pymongo/collection.py", line 504, in bulk_write bulk_api_result = blk.execute(write_concern, session) File "/Users/shane/git/mongo-python-driver/pymongo/bulk.py", line 511, in execute return self.execute_command(generator, write_concern, session) File "/Users/shane/git/mongo-python-driver/pymongo/bulk.py", line 346, in execute_command self.is_retryable, retryable_bulk, s, self) File "/Users/shane/git/mongo-python-driver/pymongo/mongo_client.py", line 1366, in _retry_with_session return func(session, sock_info, retryable) File "/Users/shane/git/mongo-python-driver/pymongo/bulk.py", line 341, in retryable_bulk retryable, full_result) File "/Users/shane/git/mongo-python-driver/pymongo/bulk.py", line 295, in _execute_command result, to_send = bwc.execute(ops, client) File "/Users/shane/git/mongo-python-driver/pymongo/message.py", line 896, in execute result = self.write_command(request_id, msg, to_send) File "/Users/shane/git/mongo-python-driver/pymongo/message.py", line 977, in write_command reply = self.sock_info.write_command(request_id, msg) File "/Users/shane/git/mongo-python-driver/pymongo/pool.py", line 690, in write_command helpers._check_command_response(result) File "/Users/shane/git/mongo-python-driver/pymongo/helpers.py", line 159, in _check_command_response raise OperationFailure(msg % errmsg, code, response) pymongo.errors.OperationFailure: assertion src/mongo/util/hex.cpp:98
The server log shows this:
2019-08-06T17:09:42.571-0700 D NETWORK [conn41] invalid message: BSONObjectTooLarge BSONObjectTooLarge: BSONObj size: 33552491 (0x1FFF86B) is invalid. Size must be between 0 and 16793600(16MB) First element: _id: "encryption_exceeds_16mib_2" -- 2019-08-06T17:09:42.571-0700 D COMMAND [conn41] assertion while parsing command: UnknownError: assertion src/mongo/util/hex.cpp:98
PyMongo should validate the sizes of documents it encodes for OP_MSG.
- causes
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- Closed
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- is related to
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PYTHON-1939 [FLE] Implement prose tests for BSON size limits and batch splitting
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- Closed
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PYTHON-4085 Inconsistent Exceptions for insert_many([large_doc])
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- Backlog
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- related to
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- Backlog
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