$ mongo
MongoDB shell version: 2.4.1
connecting to: test
> db.t.find()
{ "_id" : ObjectId("517129d195ae71f6cc3ccd34"), "b" : "firefox", "ec" :
{ "1" : 2, "2" : 3 }
}
{ "_id" : ObjectId("517129d995ae71f6cc3ccd35"), "b" : "firefox2", "ec" :
{ "2" : 3 }
}
{ "_id" : ObjectId("517129e095ae71f6cc3ccd36"), "b" : "firefox3", "ec" : { } }
> var r = function(key, values)
{
... return 1;
... }
;
> map = function(){
... var value = Object.create(this.ec);
... value.b = {}; value.b[this.b] = 1;
... emit('123', value);
... }
function (){
var value = Object.create(this.ec);
value.b = {}; value.b[this.b] = 1;
emit('123', value);
}
> db.t.mapReduce(map, r,
{out: 'test'}
)
Fri Apr 19 17:34:16.475 DBClientCursor::init call() failed
Fri Apr 19 17:34:16.477 JavaScript execution failed: Error: error doing query: failed at src/mongo/shell/query.js:L78
Fri Apr 19 17:34:16.478 trying reconnect to 127.0.0.1:27017
Fri Apr 19 17:34:16.478 reconnect 127.0.0.1:27017 failed couldn't connect to server 127.0.0.1:27017
=================
$ sudo tail -n 50 /var/log/mongodb/mongodb.log
Fri Apr 19 15:53:13.660 [conn9] CMD: drop test.tmp.mr.t_4
Fri Apr 19 15:53:13.660 [conn9] CMD: drop test.tmp.mr.t_4_inc
Fri Apr 19 15:53:13.660 [conn9] CMD: drop test.tmp.mr.t_4
Fri Apr 19 15:53:13.661 [conn9] CMD: drop test.tmp.mr.t_4_inc
Fri Apr 19 15:57:34.532 [initandlisten] connection accepted from 127.0.0.1:45999 #10 (9 connections now open)
Fri Apr 19 15:57:35.975 [initandlisten] connection accepted from 127.0.0.1:46005 #11 (10 connections now open)
Fri Apr 19 15:57:52.089 [initandlisten] connection accepted from 127.0.0.1:46072 #12 (11 connections now open)
Fri Apr 19 17:10:51.496 [conn9] end connection 127.0.0.1:44763 (10 connections now open)
Fri Apr 19 17:10:55.846 [initandlisten] connection accepted from 127.0.0.1:38164 #13 (11 connections now open)
Fri Apr 19 17:29:54.017 [conn13] end connection 127.0.0.1:38164 (10 connections now open)
Fri Apr 19 17:29:56.047 [initandlisten] connection accepted from 127.0.0.1:43164 #14 (11 connections now open)
Fri Apr 19 17:30:21.397 [conn14] end connection 127.0.0.1:43164 (10 connections now open)
Fri Apr 19 17:30:22.412 [initandlisten] connection accepted from 127.0.0.1:43290 #15 (11 connections now open)
Fri Apr 19 17:33:41.091 [conn15] CMD: drop test.tmp.mr.t_5
Fri Apr 19 17:33:41.092 [conn15] CMD: drop test.tmp.mr.t_5_inc
Fri Apr 19 17:33:41.092 [conn15] build index test.tmp.mr.t_5_inc
{ 0: 1 }
Fri Apr 19 17:33:41.092 [conn15] build index done. scanned 0 total records. 0 secs
Fri Apr 19 17:33:41.092 [conn15] build index test.tmp.mr.t_5
{ _id: 1 }
Fri Apr 19 17:33:41.093 [conn15] build index done. scanned 0 total records. 0 secs
cannot write property b to read-only object
Fri Apr 19 17:33:41.095 [conn15] JavaScript execution failed: TypeError: Cannot set property 'firefox' of undefined near 'b[this.b] = 1' (line 3)
Fri Apr 19 17:33:41.096 [conn15] CMD: drop test.tmp.mr.t_5
Fri Apr 19 17:33:41.096 [conn15] CMD: drop test.tmp.mr.t_5_inc
Fri Apr 19 17:33:41.097 [conn15] mr failed, removing collection :: caused by :: 16722 JavaScript execution failed: TypeError: Cannot set property 'firefox' of undefined near 'b[this.b] = 1' (line 3)
Fri Apr 19 17:33:41.097 [conn15] CMD: drop test.tmp.mr.t_5
Fri Apr 19 17:33:41.097 [conn15] CMD: drop test.tmp.mr.t_5_inc
Fri Apr 19 17:34:16.469 [conn15] CMD: drop test.tmp.mr.t_6
Fri Apr 19 17:34:16.469 [conn15] CMD: drop test.tmp.mr.t_6_inc
Fri Apr 19 17:34:16.469 [conn15] build index test.tmp.mr.t_6_inc
{ 0: 1 }
Fri Apr 19 17:34:16.470 [conn15] build index done. scanned 0 total records. 0 secs
Fri Apr 19 17:34:16.470 [conn15] build index test.tmp.mr.t_6
{ _id: 1 }
Fri Apr 19 17:34:16.470 [conn15] build index done. scanned 0 total records. 0 secs
Fri Apr 19 17:34:16.470 Invalid access at address: 0x18 from thread: conn15
Fri Apr 19 17:34:16.470 Got signal: 11 (Segmentation fault).
Fri Apr 19 17:34:16.473 Backtrace:
0xdc7f71 0x6ce459 0x6ce9e2 0x7f19d9a9b030 0xd63ad0 0xd629fc 0xd63284 0xd6e135 0xd66b40 0xf1a3f2 0x3bfa4cc06362
/usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0xdc7f71]
/usr/bin/mongod(_ZN5mongo10abruptQuitEi+0x399) [0x6ce459]
/usr/bin/mongod(_ZN5mongo24abruptQuitWithAddrSignalEiP7siginfoPv+0x262) [0x6ce9e2]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xf030) [0x7f19d9a9b030]
/usr/bin/mongod(_ZN5mongo7V8Scope9v8ToMongoEN2v86HandleINS1_6ObjectEEEi+0x160) [0xd63ad0]
/usr/bin/mongod(_ZN5mongo7V8Scope15v8ToMongoObjectERNS_14BSONObjBuilderERKSsN2v86HandleINS5_5ValueEEEiPNS_7BSONObjE+0x2bc) [0xd629fc]
/usr/bin/mongod(_ZN5mongo7V8Scope16v8ToMongoElementERNS_14BSONObjBuilderERKSsN2v86HandleINS5_5ValueEEEiPNS_7BSONObjE+0x624) [0xd63284]
/usr/bin/mongod(_ZN5mongo7V8Scope14nativeCallbackEPS0_RKN2v89ArgumentsE+0x245) [0xd6e135]
/usr/bin/mongod(_ZN5mongo7V8Scope10v8CallbackERKN2v89ArgumentsE+0xb0) [0xd66b40]
/usr/bin/mongod() [0xf1a3f2]
[0x3bfa4cc06362]
Bug
Major - P3
