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group command triggers assertion failure when CodeWScope type given for $reduce arg

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      Sadly the mongo shell doesn't support code_w_scope so the best I can do is provide python:

      >>> c = pymongo.MongoClient()
>>> from bson.code import Code
>>> reduce_function = "function (obj, prev) { prev.count += inc_value; }"
>>> db = c.test
>>> db.test.drop()
>>> db.test.insert({'a': 1})
ObjectId('541365f7fba52245c1cac975')
>>> db.test.insert({'a': 2})
ObjectId('541365f9fba52245c1cac976')
>>> db.test.group([], {}, {"count": 0}, Code(reduce_function, {"inc_value": 1}))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "pymongo/collection.py", line 1412, in group
    **kwargs)["retval"]
  File "pymongo/database.py", line 434, in command
    read_preference, **kwargs)[0]
  File "pymongo/database.py", line 349, in _command
    msg, allowable_errors)
  File "pymongo/helpers.py", line 180, in _check_command_response
    raise OperationFailure(msg % errmsg, code, response)
pymongo.errors.OperationFailure: command SON([(u'group', {u'$reduce': Code('function (obj, prev) { prev.count += inc_value; }', {'inc_value': 1}), u'ns': u'test', u'cond': {}, u'key': {}, u'initial': {'count': 0}})]) failed: exception: BSONObj size: 1953693716 (0x74730014) is invalid. Size must be between 0 and 16793600(16MB) First element: EOO
      Show
      Sadly the mongo shell doesn't support code_w_scope so the best I can do is provide python: >>> c = pymongo.MongoClient() >>> from bson.code import Code >>> reduce_function = "function (obj, prev) { prev.count += inc_value; }" >>> db = c.test >>> db.test.drop() >>> db.test.insert({'a': 1}) ObjectId('541365f7fba52245c1cac975') >>> db.test.insert({'a': 2}) ObjectId('541365f9fba52245c1cac976') >>> db.test.group([], {}, {"count": 0}, Code(reduce_function, {"inc_value": 1})) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "pymongo/collection.py", line 1412, in group **kwargs)["retval"] File "pymongo/database.py", line 434, in command read_preference, **kwargs)[0] File "pymongo/database.py", line 349, in _command msg, allowable_errors) File "pymongo/helpers.py", line 180, in _check_command_response raise OperationFailure(msg % errmsg, code, response) pymongo.errors.OperationFailure: command SON([(u'group', {u'$reduce': Code('function (obj, prev) { prev.count += inc_value; }', {'inc_value': 1}), u'ns': u'test', u'cond': {}, u'key': {}, u'initial': {'count': 0}})]) failed: exception: BSONObj size: 1953693716 (0x74730014) is invalid. Size must be between 0 and 16793600(16MB) First element: EOO

      This seems to be a new failure in the latest nightly:

      2014-09-12T14:15:46.026-0700 I -        [initandlisten] db version v2.7.7-pre-
2014-09-12T14:15:46.026-0700 I -        [initandlisten] git version: e079496c239748c95136458c85c23478ee609fdb modules: subscription

      Log backtrace:

      2014-09-12T14:23:10.649-0700 I -        [conn4] Assertion: 10334:BSONObj size: 1953693716 (0x74730014) is invalid. Size must be between 0 and 16793600(16MB) First element: EOO
2014-09-12T14:23:10.658-0700 I -        [conn4] 
 0xfc99a3 0xf72d4b 0xf594ca 0xf5956c 0x910186 0xaa1a98 0xac37d3 0xcb11dd 0xa2dc5e 0xa929a2 0xa9347d 0xa93d83 0xc9d21f 0xb6761b 0x8e6280 0xf84ffb 0x7f1740c4c1da 0x7f173fff3d7d
----- BEGIN BACKTRACE -----
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 mongod(_ZN5mongo15printStackTraceERSo+0x23) [0xfc99a3]
 mongod(_ZN5mongo10logContextEPKc+0xDB) [0xf72d4b]
 mongod(_ZN5mongo11msgassertedEiPKc+0x7A) [0xf594ca]
 mongod(+0xB5956C) [0xf5956c]
 mongod(_ZNK5mongo7BSONObj14_assertInvalidEv+0x416) [0x910186]
 mongod(_ZN5mongo5Scope4initEPKc+0x68) [0xaa1a98]
 mongod(_ZN5mongo10GroupStage4workEPm+0x903) [0xac37d3]
 mongod(_ZN5mongo12PlanExecutor7getNextEPNS_7BSONObjEPNS_7DiskLocE+0x5D) [0xcb11dd]
 mongod(_ZN5mongo12GroupCommand3runEPNS_16OperationContextERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x19E) [0xa2dc5e]
 mongod(_ZN5mongo12_execCommandEPNS_16OperationContextEPNS_7CommandERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x42) [0xa929a2]
 mongod(_ZN5mongo7Command11execCommandEPNS_16OperationContextEPS0_iPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0x8DD) [0xa9347d]
 mongod(_ZN5mongo12_runCommandsEPNS_16OperationContextEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x4C3) [0xa93d83]
 mongod(_ZN5mongo11newRunQueryEPNS_16OperationContextERNS_7MessageERNS_12QueryMessageERNS_5CurOpES3_+0x1CF) [0xc9d21f]
 mongod(_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0xABB) [0xb6761b]
 mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0xA0) [0x8e6280]
 mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x47B) [0xf84ffb]
 libpthread.so.0(+0x91DA) [0x7f1740c4c1da]
 libc.so.6(clone+0x6D) [0x7f173fff3d7d]
-----  END BACKTRACE  -----

            Assignee:
            rassi J Rassi
            Reporter:
            bernie@mongodb.com Bernie Hackett
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            0 Vote for this issue
            Watchers:
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              Created:
              Updated:
              Resolved: