python -m unittest -v test.test_collection.TestCollection.test_group

2017-04-16T18:00:26.920-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { drop: "test", writeConcern: {} }
2017-04-16T18:00:26.920-0700 I COMMAND  [conn8] CMD: drop pymongo_test.test
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] dropCollection: pymongo_test.test
2017-04-16T18:00:26.920-0700 D INDEX    [conn8] 	 dropAllIndexes dropping: { v: 2, key: { _id: 1 }, name: "_id_", ns: "pymongo_test.test" }
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] pymongo_test.test: clearing plan cache - collection info cache reset
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] 	 dropIndexes done
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] deleting metadata for pymongo_test.test @ RecordId(107)
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] WT drop of  table:index-79--369124514706915650 res 16
2017-04-16T18:00:26.920-0700 D STORAGE  [conn8] ~WiredTigerRecordStore for: pymongo_test.test
2017-04-16T18:00:26.921-0700 D STORAGE  [conn8] WT drop of  table:collection-78--369124514706915650 res 16
2017-04-16T18:00:26.921-0700 D REPL     [conn8] Waiting for write concern. OpTime: { ts: Timestamp 0|0, t: -1 }, write concern: { w: 1, wtimeout: 0 }
2017-04-16T18:00:26.921-0700 I COMMAND  [conn8] command pymongo_test.test command: drop { drop: "test", writeConcern: {} } numYields:0 reslen:80 locks:{ Global: { acquireCount: { r: 1, w: 1 } }, Database: { acquireCount: { W: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.921-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: {}, initial: { count: 0 } } }
2017-04-16T18:00:26.931-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 747
2017-04-16T18:00:26.931-0700 D QUERY    [conn8] Running query: query: {} sort: {} projection: {}
2017-04-16T18:00:26.931-0700 D QUERY    [conn8] Collection pymongo_test.system.js does not exist. Using EOF plan: query: {} sort: {} projection: {}
2017-04-16T18:00:26.931-0700 I COMMAND  [conn8] query pymongo_test.system.js query: { find: "system.js" } planSummary: EOF ntoreturn:0 ntoskip:0 keysExamined:0 docsExamined:0 cursorExhausted:1 numYields:0 nreturned:0 reslen:20 locks:{ Global: { acquireCount: { r: 4 } }, Database: { acquireCount: { r: 2 } }, Collection: { acquireCount: { r: 2 } } } 0ms
2017-04-16T18:00:26.931-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 747
2017-04-16T18:00:26.931-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: {}, initial: { count: 0 } } } planSummary: EOF keysExamined:0 docsExamined:0 numYields:0 reslen:79 locks:{ Global: { acquireCount: { r: 4 } }, Database: { acquireCount: { r: 2 } }, Collection: { acquireCount: { r: 2 } } } protocol:op_query 10ms
2017-04-16T18:00:26.931-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { insert: "test", ordered: true, documents: 3 }
2017-04-16T18:00:26.931-0700 D STORAGE  [conn8] create collection pymongo_test.test {}
2017-04-16T18:00:26.931-0700 D STORAGE  [conn8] stored meta data for pymongo_test.test @ RecordId(108)
2017-04-16T18:00:26.931-0700 D STORAGE  [conn8] WiredTigerKVEngine::createRecordStore uri: table:collection-80--369124514706915650 config: type=file,memory_page_max=10m,split_pct=90,leaf_value_max=64MB,checksum=on,block_compressor=snappy,,key_format=q,value_format=u,app_metadata=(formatVersion=1)
2017-04-16T18:00:26.960-0700 D STORAGE  [conn8] WiredTigerUtil::checkApplicationMetadataFormatVersion  uri: table:collection-80--369124514706915650 ok range 1 -> 1 current: 1
2017-04-16T18:00:26.960-0700 D STORAGE  [conn8] pymongo_test.test: clearing plan cache - collection info cache reset
2017-04-16T18:00:26.960-0700 D STORAGE  [conn8] WiredTigerKVEngine::createSortedDataInterface ident: index-81--369124514706915650 config: type=file,internal_page_max=16k,leaf_page_max=16k,checksum=on,prefix_compression=true,block_compressor=,,,,key_format=u,value_format=u,app_metadata=(formatVersion=8,infoObj={ "v" : 2, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "pymongo_test.test" }),
2017-04-16T18:00:26.960-0700 D STORAGE  [conn8] create uri: table:index-81--369124514706915650 config: type=file,internal_page_max=16k,leaf_page_max=16k,checksum=on,prefix_compression=true,block_compressor=,,,,key_format=u,value_format=u,app_metadata=(formatVersion=8,infoObj={ "v" : 2, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "pymongo_test.test" }),
2017-04-16T18:00:26.980-0700 D STORAGE  [conn8] WiredTigerUtil::checkApplicationMetadataFormatVersion  uri: table:index-81--369124514706915650 ok range 6 -> 8 current: 8
2017-04-16T18:00:26.980-0700 D STORAGE  [conn8] pymongo_test.test: clearing plan cache - collection info cache reset
2017-04-16T18:00:26.980-0700 D INDEX    [conn8] marking index _id_ as ready in snapshot id 2189
2017-04-16T18:00:26.980-0700 D REPL     [conn8] Waiting for write concern. OpTime: { ts: Timestamp 0|0, t: -1 }, write concern: { w: 1, wtimeout: 0 }
2017-04-16T18:00:26.980-0700 I COMMAND  [conn8] command pymongo_test.test command: insert { insert: "test", ordered: true, documents: 3 } ninserted:3 keysInserted:3 numYields:0 reslen:44 locks:{ Global: { acquireCount: { r: 3, w: 3 } }, Database: { acquireCount: { w: 2, W: 1 } }, Collection: { acquireCount: { w: 2 } } } protocol:op_query 48ms
2017-04-16T18:00:26.980-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: {}, initial: { count: 0 } } }
2017-04-16T18:00:26.980-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.980-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 749
2017-04-16T18:00:26.981-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 749
2017-04-16T18:00:26.981-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: {}, initial: { count: 0 } } } planSummary: COLLSCAN keysExamined:0 docsExamined:3 numYields:0 reslen:102 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.981-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: { a: { $gt: 1 } }, key: {}, initial: { count: 0 } } }
2017-04-16T18:00:26.981-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: { a: { $gt: 1 } } sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.981-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 750
2017-04-16T18:00:26.981-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 750
2017-04-16T18:00:26.981-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: { a: { $gt: 1 } }, key: {}, initial: { count: 0 } } } planSummary: COLLSCAN keysExamined:0 docsExamined:3 numYields:0 reslen:102 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.981-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { insert: "test", ordered: true, documents: [ { a: 2, b: 3, _id: ObjectId('58f413aafa5bd83bbc77c815') } ] }
2017-04-16T18:00:26.981-0700 D REPL     [conn8] Waiting for write concern. OpTime: { ts: Timestamp 0|0, t: -1 }, write concern: { w: 1, wtimeout: 0 }
2017-04-16T18:00:26.981-0700 I COMMAND  [conn8] command pymongo_test.test command: insert { insert: "test", ordered: true, documents: [ { a: 2, b: 3, _id: ObjectId('58f413aafa5bd83bbc77c815') } ] } ninserted:1 keysInserted:1 numYields:0 reslen:44 locks:{ Global: { acquireCount: { r: 1, w: 1 } }, Database: { acquireCount: { w: 1 } }, Collection: { acquireCount: { w: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.982-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: { a: 1 }, initial: { count: 0 } } }
2017-04-16T18:00:26.982-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.982-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 752
2017-04-16T18:00:26.982-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 752
2017-04-16T18:00:26.982-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, key: { a: 1 }, initial: { count: 0 } } } planSummary: COLLSCAN keysExamined:0 docsExamined:4 numYields:0 reslen:173 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.982-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { finalize: function (obj) { obj.count++; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, key: { a: 1 }, ns: "test" } }
2017-04-16T18:00:26.982-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.982-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 753
2017-04-16T18:00:26.983-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 753
2017-04-16T18:00:26.983-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { finalize: function (obj) { obj.count++; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, key: { a: 1 }, ns: "test" } } planSummary: COLLSCAN keysExamined:0 docsExamined:4 numYields:0 reslen:173 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.983-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { finalize: function (obj) { return obj.count; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, key: { a: 1 }, ns: "test" } }
2017-04-16T18:00:26.983-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.983-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 754
2017-04-16T18:00:26.984-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 754
2017-04-16T18:00:26.984-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { finalize: function (obj) { return obj.count; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, key: { a: 1 }, ns: "test" } } planSummary: COLLSCAN keysExamined:0 docsExamined:4 numYields:0 reslen:112 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.984-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { finalize: function (obj) { return obj.count; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, $keyf: function (obj) { if (obj.a == 2) { return {a: true} }; return {b: true}; }, ns: "test" } }
2017-04-16T18:00:26.984-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.984-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 755
2017-04-16T18:00:26.984-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 755
2017-04-16T18:00:26.985-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { finalize: function (obj) { return obj.count; }, $reduce: function (obj, prev) { prev.count++; }, initial: { count: 0 }, cond: {}, $keyf: function (obj) { if (obj.a == 2) { return {a: true} }; return {b: true}; }, ns: "test" } } planSummary: COLLSCAN keysExamined:0 docsExamined:4 numYields:0 reslen:101 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.985-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, initial: { count: 0 } } }
2017-04-16T18:00:26.985-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.985-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 756
2017-04-16T18:00:26.985-0700 D QUERY    [js] ImplScope 0x56084234e500 unregistered for op 756
2017-04-16T18:00:26.985-0700 I COMMAND  [conn8] command pymongo_test.test command: group { group: { $reduce: function (obj, prev) { prev.count++; }, ns: "test", cond: {}, initial: { count: 0 } } } planSummary: COLLSCAN keysExamined:0 docsExamined:4 numYields:0 reslen:102 locks:{ Global: { acquireCount: { r: 2 } }, Database: { acquireCount: { r: 1 } }, Collection: { acquireCount: { r: 1 } } } protocol:op_query 0ms
2017-04-16T18:00:26.985-0700 D COMMAND  [conn8] run command pymongo_test.$cmd { group: { $reduce: 5 ++ 5, ns: "test", cond: {}, key: {}, initial: {} } }
2017-04-16T18:00:26.985-0700 D QUERY    [conn8] Only one plan is available; it will be run but will not be cached. query: {} sort: {} projection: {}, planSummary: COLLSCAN
2017-04-16T18:00:26.985-0700 D QUERY    [js] SMScope 0x560845da8000 registered for op 757
2017-04-16T18:00:26.985-0700 E QUERY    [js] SyntaxError: invalid increment operand @group reduce init:1:10
2017-04-16T18:00:26.985-0700 D -        [js] User Assertion: 139:SyntaxError: invalid increment operand @group reduce init:1:10
 src/mongo/scripting/mozjs/implscope.cpp 918
2017-04-16T18:00:26.986-0700 D -        [conn8] User Assertion: 139:SyntaxError: invalid increment operand @group reduce init:1:10
 src/mongo/scripting/mozjs/proxyscope.cpp 295
2017-04-16T18:00:26.986-0700 F -        [conn8] Invalid access at address: 0x560845af9780
2017-04-16T18:00:26.987-0700 F -        [conn8] Got signal: 11 (Segmentation fault).

 0x56083f78d507 0x56083f78d045 0x56083fae4da8 0x7f102b6ccf9f 0x560845af9780 0x56084590edaf
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"56083E406000","o":"1387507","s":"_ZN5mongo15printStackTraceERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEE"},{"b":"56083E406000","o":"1387045"},{"b":"56083E406000","o":"16DEDA8"},{"b":"7F102B6BC000","o":"10F9F"},{"b":"0","o":"560845AF9780"},{"b":"0","o":"56084590EDAF"}],"processInfo":{ "mongodbVersion" : "3.5.5-206-g932c2f3455", "gitVersion" : "932c2f345598d8e1d283e8c2bb54fd8d0e11c853", "compiledModules" : [ "enterprise" ], "uname" : { "sysname" : "Linux", "release" : "4.10.9-gentoo", "version" : "#1 SMP PREEMPT Tue Apr 11 22:31:37 PDT 2017", "machine" : "x86_64" }, "somap" : [ { "b" : "56083E406000", "elfType" : 3, "buildId" : "FDB31ABC184A9B9C9778496241C88683BA9DBB9A" }, { "b" : "7FFEB58DF000", "path" : "linux-vdso.so.1", "elfType" : 3, "buildId" : "2B5CF8A7A3924038EDF8887C27AC2E1754D42DF0" }, { "b" : "7F102E00A000", "path" : "/usr/lib64/libnetsnmpmibs.so.30", "elfType" : 3 }, { "b" : "7F102DE06000", "path" : "/lib64/libdl.so.2", "elfType" : 3 }, { "b" : "7F102DBA2000", "path" : "/usr/lib64/libnetsnmpagent.so.30", "elfType" : 3 }, { "b" : "7F102D997000", "path" : "/lib64/libwrap.so.0", "elfType" : 3 }, { "b" : "7F102D6B3000", "path" : "/usr/lib64/libnetsnmp.so.30", "elfType" : 3 }, { "b" : "7F102D276000", "path" : "/usr/lib64/libcrypto.so.1.0.0", "elfType" : 3 }, { "b" : "7F102CF7B000", "path" : "/lib64/libm.so.6", "elfType" : 3 }, { "b" : "7F102CD30000", "path" : "/usr/lib64/libldap-2.4.so.2", "elfType" : 3 }, { "b" : "7F102CB21000", "path" : "/usr/lib64/liblber-2.4.so.2", "elfType" : 3 }, { "b" : "7F102C904000", "path" : "/usr/lib64/libsasl2.so.3", "elfType" : 3 }, { "b" : "7F102C6B9000", "path" : "/usr/lib64/libgssapi_krb5.so.2", "elfType" : 3 }, { "b" : "7F102C44E000", "path" : "/usr/lib64/libcurl.so.4", "elfType" : 3 }, { "b" : "7F102C1DF000", "path" : "/usr/lib64/libssl.so.1.0.0", "elfType" : 3 }, { "b" : "7F102BFD7000", "path" : "/lib64/librt.so.1", "elfType" : 3 }, { "b" : "7F102BD1E000", "path" : "/usr/lib64/libc++.so.1", "elfType" : 3 }, { "b" : "7F102BAF3000", "path" : "/usr/lib64/libc++abi.so.1", "elfType" : 3 }, { "b" : "7F102B8D8000", "path" : "/usr/lib64/libunwind.so.8", "elfType" : 3 }, { "b" : "7F102B6BC000", "path" : "/lib64/libpthread.so.0", "elfType" : 3 }, { "b" : "7F102B320000", "path" : "/lib64/libc.so.6", "elfType" : 3 }, { "b" : "7F102E496000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3 }, { "b" : "7F102B109000", "path" : "/lib64/libz.so.1", "elfType" : 3 }, { "b" : "7F102AEF2000", "path" : "/lib64/libresolv.so.2", "elfType" : 3 }, { "b" : "7F102AC19000", "path" : "/usr/lib64/libkrb5.so.3", "elfType" : 3 }, { "b" : "7F102A9E5000", "path" : "/usr/lib64/libk5crypto.so.3", "elfType" : 3 }, { "b" : "7F102A7E1000", "path" : "/lib64/libcom_err.so.2", "elfType" : 3 }, { "b" : "7F102A5D5000", "path" : "/usr/lib64/libkrb5support.so.0", "elfType" : 3 }, { "b" : "7F102A3D1000", "path" : "/lib64/libkeyutils.so.1", "elfType" : 3 }, { "b" : "7F102A1B6000", "path" : "/usr/lib64/sasl2/libotp.so", "elfType" : 3 }, { "b" : "7F1029FB0000", "path" : "/usr/lib64/sasl2/libcrammd5.so", "elfType" : 3 }, { "b" : "7F1029DAB000", "path" : "/usr/lib64/sasl2/libplain.so", "elfType" : 3 }, { "b" : "7F1029BA6000", "path" : "/usr/lib64/sasl2/liblogin.so", "elfType" : 3 }, { "b" : "7F102999F000", "path" : "/usr/lib64/sasl2/libsasldb.so", "elfType" : 3 }, { "b" : "7F1029791000", "path" : "/usr/lib64/libgdbm.so.4", "elfType" : 3 }, { "b" : "7F1029587000", "path" : "/usr/lib64/sasl2/libscram.so", "elfType" : 3 }, { "b" : "7F1029379000", "path" : "/usr/lib64/sasl2/libdigestmd5.so", "elfType" : 3 }, { "b" : "7F1029174000", "path" : "/usr/lib64/sasl2/libanonymous.so", "elfType" : 3 }, { "b" : "7F1028F6B000", "path" : "/usr/lib64/sasl2/libntlm.so", "elfType" : 3 } ] }}
 mongod(_ZN5mongo15printStackTraceERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEE+0x37) [0x56083f78d507]
 mongod(+0x1387045) [0x56083f78d045]
 mongod(+0x16DEDA8) [0x56083fae4da8]
 libpthread.so.0(+0x10F9F) [0x7f102b6ccf9f]
 ??? [0x560845af9780]
 ??? [0x56084590edaf]
-----  END BACKTRACE  -----
Segmentation fault (core dumped)