*******************************************
         Test : writeback_bulk_insert.js ...
      Command : /mntfast/data/slave/Linux_64bit_Nightly/mongo/mongo --port 27999 --authenticationMechanism MONGODB-CR --nodb /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/sharding/writeback_bulk_insert.js --eval TestData = new Object();TestData.testPath = "/mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/sharding/writeback_bulk_insert.js";TestData.testFile = "writeback_bulk_insert.js";TestData.testName = "writeback_bulk_insert";TestData.noJournal = false;TestData.noJournalPrealloc = false;TestData.auth = false;TestData.keyFile = null;TestData.keyFileData = null;TestData.authMechanism = "MONGODB-CR";
         Date : Fri Jul 12 16:37:29 2013
                (output suppressed; see http://buildlogs.mongodb.org/build/51dffec3d2a60f04110006a8/test/51e0690ad2a60f33aa000aba/)
Received signal 11
Backtrace: 0xb1acbc 0x2aaaab8adf30 0x90dac0 0x90b974 0xae6828 0xae7234 0xb647a9 0x2aaaaaccd407 0x2aaaab951b0d 
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos(_ZN5mongo17printStackAndExitEi+0x3c)[0xb1acbc]
/lib64/libc.so.6[0x2aaaab8adf30]
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos(_ZN5mongo6logger9LogDomainINS0_21MessageEventEphemeralEE6appendERKS2_+0x40)[0x90dac0]
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos(_ZN5mongo6logger16LogstreamBuilderD1Ev+0xe4)[0x90b974]
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos(_ZN5mongo13BackgroundJob7jobBodyEN5boost10shared_ptrINS0_9JobStatusEEE+0x208)[0xae6828]
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos(_ZN5boost6detail11thread_dataINS_3_bi6bind_tIvNS_4_mfi3mf1IvN5mongo13BackgroundJobENS_10shared_ptrINS7_9JobStatusEEEEENS2_5list2INS2_5valueIPS7_EENSD_ISA_EEEEEEE3runEv+0x74)[0xae7234]
/mntfast/data/slave/Linux_64bit_Nightly/mongo/mongos[0xb647a9]
/lib64/libpthread.so.0[0x2aaaaaccd407]
/lib64/libc.so.6(clone+0x6d)[0x2aaaab951b0d]
===
                   10.0846 seconds
test /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/sharding/writeback_bulk_insert.js exited with status 253

 m30998| Fri Jul 12 16:37:32.459 [conn1] DBConfig unserialize: writeback_bulk_insert { _id: "writeback_bulk_insert", partitioned: false, primary: "shard0000" }
 m30998| Fri Jul 12 16:37:32.459 [conn1] found 0 dropped collections and 0 sharded collections for database writeback_bulk_insert
 m30998| Fri Jul 12 16:37:32.460 [conn1] creating new connection to:localhost:30000
 m30998| Fri Jul 12 16:37:32.460 BackgroundJob starting: ConnectBG
 m30998| Fri Jul 12 16:37:32.460 [conn1] connected connection!
 m30998| Fri Jul 12 16:37:32.460 [conn1] creating WriteBackListener for: localhost:30000 serverID: 51e0690b13f75b9b662c2d81
 m30998| Fri Jul 12 16:37:32.460 [conn1] initializing shard connection to localhost:30000
 m30998| Fri Jul 12 16:37:32.460 [conn1] initial sharding settings : { setShardVersion: "", init: true, configdb: "localhost:29000", serverID: ObjectId('51e0690b13f75b9b662c2d81'), authoritative: true }
 m30998| Fri Jul 12 16:37:32.460 BackgroundJob starting: WriteBackListener-localhost:30000
 m30998| Fri Jul 12 16:37:32.460 [WriteBackListener-localhost:30000] creating new connection to:localhost:30000
 m30998| Fri Jul 12 16:37:32.461 BackgroundJob starting: ConnectBG
 m30998| Fri Jul 12 16:37:32.461 [WriteBackListener-localhost:30000] connected connection!
Fri Jul 12 16:37:32.468 TypeError: Cannot call method 'getCollection' of null at /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/sharding/writeback_bulk_insert.js:29
failed to load: /mntfast/data/slave/Linux_64bit_Nightly/mongo/jstests/sharding/writeback_bulk_insert.js