> db.eval( "m = function()

{ emit( this._id, 1 ); }

; r = function( k, vs )

{ return 1; }

; db.f.mapReduce( m, r );" );
Thu Jun 24 13:27:15 uncaught exception:

{ "errno" : -3, "errmsg" : "invoke failed: ", "ok" : false }

Thu Jun 24 13:27:14 Assertion: 10298:can't temprelease nested write lock
0x1000792dc 0x10003cba6 0x10006cbd2 0x1001c2ac8 0x1001dc2d5 0x1001dcd02 0x100134227 0x1001345aa 0x1001a6488 0x1001a783c 0x1001a846e 0x1000fd3b4 0x1000f3d45 0x1001246e1 0x100c96dff 0x100c9efed 0x100c96e5f 0x100ca529c 0x100c694e3 0x1001323ac
0 mongod 0x00000001000792dc _ZN5mongo15printStackTraceERSo + 36
1 mongod 0x000000010003cba6 _ZN5mongo11msgassertedEiPKc + 322
2 mongod 0x000000010006cbd2 _ZN5mongo13dbtempreleaseC1Ev + 134
3 mongod 0x00000001001c2ac8 _ZN5mongo2mr16MapReduceCommand3runERKSsRNS_7BSONObjERSsRNS_14BSONObjBuilderEb + 5756
4 mongod 0x00000001001dc2d5 _ZN5mongo11execCommandEPNS_7CommandERNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb + 1495
5 mongod 0x00000001001dcd02 _ZN5mongo12_runCommandsEPKcRNS_7BSONObjERNS_10BufBuilderERNS_14BSONObjBuilderEbi + 1190
6 mongod 0x0000000100134227 _ZN5mongo11runCommandsEPKcRNS_7BSONObjERNS_5CurOpERNS_10BufBuilderERNS_14BSONObjBuilderEbi + 67
7 mongod 0x00000001001345aa ZN5mongo8runQueryERNS_7MessageERNS_12QueryMessageERNS_5CurOpES1 + 558
8 mongod 0x00000001001a6488 _ZN5mongoL13receivedQueryERNS_6ClientERNS_10DbResponseERNS_7MessageE + 189
9 mongod 0x00000001001a783c _ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_8SockAddrE + 862
10 mongod 0x00000001001a846e _ZN5mongo14DBDirectClient4callERNS_7MessageES2_b + 116
11 mongod 0x00000001000fd3b4 _ZN5mongo14DBClientCursor4initEv + 532
12 mongod 0x00000001000f3d45 _ZN5mongo12DBClientBase5queryERKSsNS_5QueryEiiPKNS_7BSONObjEii + 193
13 mongod 0x00000001001246e1 ZN5mongo10mongo_findEP9JSContextP8JSObjectjPlS4 + 545
14 libjs.dylib 0x0000000100c96dff js_Invoke + 2789
15 libjs.dylib 0x0000000100c9efed js_Interpret + 32101
16 libjs.dylib 0x0000000100c96e5f js_Invoke + 2885
17 libjs.dylib 0x0000000100ca529c js_InternalInvoke + 234
18 libjs.dylib 0x0000000100c694e3 JS_CallFunction + 42
19 mongod 0x00000001001323ac _ZN5mongo7SMScope6invokeEP10JSFunctionRKNS_7BSONObjEib + 548
Thu Jun 24 13:27:15 mr failed, removing collection
Thu Jun 24 13:27:15 CMD: drop test.tmp.mr.mapreduce_1277411234_1
Thu Jun 24 13:27:15 CMD: drop test.tmp.mr.mapreduce_1277411234_1_inc