Major - P3 A haystack index will fail to build if a document in your collection contains a location field that consists of an empty array.
Shell session:
> var t = db.geo_assert;
> t.drop();
false
>
> t.insert({loc: []});
WriteResult({ "nInserted" : 1 })
> t.ensureIndex({loc: 'geoHaystack', z: 1}, {bucketSize: 0.7});
{
"createdCollectionAutomatically" : false,
"numIndexesBefore" : 1,
"errmsg" : "exception: assertion src/mongo/bson/bsonobjiterator.h:92",
"code" : 0,
"ok" : 0
}
Backtrace:
2014-08-19T21:44:39.345-0400 I [conn1] Assertion failure _pos <= _theend src/mongo/bson/bsonobjiterator.h 92
2014-08-19T21:44:39.348-0400 I [conn1]
0x1006cdb4f 0x100683e3e 0x100674721 0x10026f982 0x1002585de 0x100100446 0x100100ab0 0x100125d18 0x1001a8ff7 0x1001a9cc0 0x1001aab13 0x10039615e 0x1002825d5 0x100006427 0x100693639 0x100701c75 0x7fff8d021899 0x7fff8d02172a 0x7fff8d025fc9
----- BEGIN BACKTRACE -----
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"4F68DFC5207739A8A449CAC5FDEE7BDE" }, { "path" : "/usr/lib/libDiagnosticMessagesClient.dylib", "machType" : 6, "b" : "7FFF8FFA7000", "buildId" : "4CDB0F7BC0AF3424BC39495696F0DB1E" } ] }}
mongod(_ZN5mongo15printStackTraceERSo+0x2F) [0x1006cdb4f]
mongod(_ZN5mongo10logContextEPKc+0xAE) [0x100683e3e]
mongod(_ZN5mongo12verifyFailedEPKcS1_j+0x131) [0x100674721]
mongod(_ZN5mongo21ExpressionKeysPrivate15getHaystackKeysERKNS_7BSONObjERKSsRKSt6vectorISsSaISsEEdPSt3setIS1_NS_10BSONObjCmpESaIS1_EE+0x16C) [0x10026f982]
mongod(_ZN5mongo26BtreeBasedBulkAccessMethod6insertEPNS_16OperationContextERKNS_7BSONObjERKNS_7DiskLocERKNS_19InsertDeleteOptionsEPx+0x3C) [0x1002585de]
mongod(_ZN5mongo15MultiIndexBlock6insertERKNS_7BSONObjERKNS_7DiskLocE+0x74) [0x100100446]
mongod(_ZN5mongo15MultiIndexBlock30insertAllDocumentsInCollectionEPSt3setINS_7DiskLocESt4lessIS2_ESaIS2_EE+0x1C6) [0x100100ab0]
mongod(_ZN5mongo14CmdCreateIndex3runEPNS_16OperationContextERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x1062) [0x100125d18]
mongod(_ZN5mongo12_execCommandEPNS_16OperationContextEPNS_7CommandERKSsRNS_7BSONObjEiRSsRNS_14BSONObjBuilderEb+0x37) [0x1001a8ff7]
mongod(_ZN5mongo7Command11execCommandEPNS_16OperationContextEPS0_RNS_6ClientEiPKcRNS_7BSONObjERNS_14BSONObjBuilderEb+0xA14) [0x1001a9cc0]
mongod(_ZN5mongo12_runCommandsEPNS_16OperationContextEPKcRNS_7BSONObjERNS_11_BufBuilderINS_16TrivialAllocatorEEERNS_14BSONObjBuilderEbi+0x5B3) [0x1001aab13]
mongod(_ZN5mongo11newRunQueryEPNS_16OperationContextERNS_7MessageERNS_12QueryMessageERNS_5CurOpES3_+0x6DE) [0x10039615e]
mongod(_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x1AC5) [0x1002825d5]
mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x127) [0x100006427]
mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x689) [0x100693639]
mongod(thread_proxy+0xE5) [0x100701c75]
libsystem_pthread.dylib(_pthread_body+0x8A) [0x7fff8d021899]
libsystem_pthread.dylib(_pthread_struct_init+0x0) [0x7fff8d02172a]
libsystem_pthread.dylib(thread_start+0xD) [0x7fff8d025fc9]
----- END BACKTRACE -----