Critical - P2 Certain updated constellations either fail and/or crash the server.
// EXAMPLE DOC //
_id : 7 5106887fe2be1937c1e3c8b0
host : 2 host1.com
array : 4
0 : 2 value1
1 : 2 value2
2 : 2 value3
// EXAMPLE OF UPDATE THAT FAILS //
b <- mongo.bson.from.list(list(
host="host1.com",
array="value1"
))
b
mongo.find.one(mongo=con, ns="mytest.hosts", query=b)
value.new <- "othervalue"
bnew <- mongo.bson.from.list(list(
"$set"=list("array.$"=value.new)
))
res <- mongo.update(mongo=con, ns=ns, criteria=b, objNew=bnew)
// EXCERPT OF ERROR LOG //
Mon Jan 28 15:19:37 [conn1] mytest.hosts Assertion failure x == _nfields src\mongo\db\jsobj.cpp 1250
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\util\stacktrace.cpp(182) mongo::printStackTrace+0x3e
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\util\assert_util.cpp(109) mongo::verifyFailed+0xdc
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\jsobj.cpp(1250) mongo::BSONIteratorSorted::BSONIteratorSorted+0xf3
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\ops\update_internal.cpp(906) mongo::ModSetState::createNewFromMods+0xa3
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\ops\update.cpp(370) mongo::_updateObjects+0x15a2
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(573) mongo::receivedUpdate+0x60d
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(437) mongo::assembleResponse+0x626
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\db\db.cpp(193) mongo::MyMessageHandler::process+0xf5
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\mongo\util\net\message_server_port.cpp(86) mongo::pms::threadRun+0x59a
Mon Jan 28 15:19:37 [conn1] mongod.exe ...\src\third_party\boost\libs\thread\src\win32\thread.cpp(180) boost::`anonymous namespace'::thread_start_function+0x21
Mon Jan 28 15:19:37 [conn1] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(314) _callthreadstartex+0x17
Mon Jan 28 15:19:37 [conn1] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(292) _threadstartex+0x7f
Mon Jan 28 15:19:37 [conn1] kernel32.dll BaseThreadInitThunk+0xd
Mon Jan 28 15:19:37 [conn1] update mytest.hosts query: { host: "host1.com", array: "VALUE1" } update: { $set: { array.$: "othervalue" } } nscanned:1 keyUpdates:0 exception: assertion src\mongo\db\jsobj.cpp:1250 locks(micros) w:343875 344ms
Mon Jan 28 15:20:06 [conn1] mytest.hosts Assertion failure x == _nfields src\mongo\db\jsobj.cpp 1250
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\util\stacktrace.cpp(182) mongo::printStackTrace+0x3e
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\util\assert_util.cpp(109) mongo::verifyFailed+0xdc
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\jsobj.cpp(1250) mongo::BSONIteratorSorted::BSONIteratorSorted+0xf3
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\ops\update_internal.cpp(906) mongo::ModSetState::createNewFromMods+0xa3
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\ops\update.cpp(370) mongo::_updateObjects+0x15a2
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(573) mongo::receivedUpdate+0x60d
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\instance.cpp(437) mongo::assembleResponse+0x626
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\db\db.cpp(193) mongo::MyMessageHandler::process+0xf5
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\mongo\util\net\message_server_port.cpp(86) mongo::pms::threadRun+0x59a
Mon Jan 28 15:20:06 [conn1] mongod.exe ...\src\third_party\boost\libs\thread\src\win32\thread.cpp(180) boost::`anonymous namespace'::thread_start_function+0x21
Mon Jan 28 15:20:06 [conn1] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(314) _callthreadstartex+0x17
Mon Jan 28 15:20:06 [conn1] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(292) _threadstartex+0x7f
Mon Jan 28 15:20:06 [conn1] kernel32.dll BaseThreadInitThunk+0xd
Mon Jan 28 15:20:06 [conn1] update mytest.hosts query: { host: "host1.com", array: "value2" } update: { $set: { array.0: "abcd" } } nscanned:1 keyUpdates:0 exception: assertion src\mongo\db\jsobj.cpp:1250 locks(micros) w:344363 345ms
Mon Jan 28 15:20:06 [journal] *** unhandled exception (access violation) at 0x0000000076D632D0, terminating
Mon Jan 28 15:20:06 [journal] *** access violation was a read from 0x0000008301570AD8
Mon Jan 28 15:20:06 [journal] *** stack trace for unhandled exception:
Mon Jan 28 15:20:06 [journal] ntdll.dll RtlFreeHeap+0xd0
Mon Jan 28 15:20:06 [journal] kernel32.dll HeapFree+0xa
Mon Jan 28 15:20:06 [journal] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\free.c(51) free+0x1c
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\mongo\db\d_concurrency.cpp(309) mongo::Lock::ScopedLock::~ScopedLock+0xac
Mon Jan 28 15:20:06 [journal] mongod.exe mongo::Lock::GlobalRead::`scalar deleting destructor'+0x14
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\mongo\db\dur.cpp(567) mongo::dur::_groupCommitWithLimitedLocks+0x174
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\mongo\db\dur.cpp(608) mongo::dur::groupCommitWithLimitedLocks+0x24
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\mongo\db\dur.cpp(743) mongo::dur::durThreadGroupCommit+0x70
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\mongo\db\dur.cpp(814) mongo::dur::durThread+0x198
Mon Jan 28 15:20:06 [journal] mongod.exe ...\src\third_party\boost\libs\thread\src\win32\thread.cpp(180) boost::`anonymous namespace'::thread_start_function+0x21
Mon Jan 28 15:20:06 [journal] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(314) _callthreadstartex+0x17
Mon Jan 28 15:20:06 [journal] mongod.exe f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(292) _threadstartex+0x7f
Mon Jan 28 15:20:06 [journal] kernel32.dll BaseThreadInitThunk+0xd
Mon Jan 28 15:20:06 [journal] writing minidump diagnostic file mongo.dmp
Mon Jan 28 15:20:06 [journal] *** immediate exit due to unhandled exception
For a fully reproducible example see here: http://stackoverflow.com/questions/14564613/updating-arrays-with-the-set-operator-in-mongodb-rmongodb