The index builder thread was running the voteCommitIndexBuild when the collection was dropped, causing the index build to be aborted.
[j0:prim] | 2021-03-22T05:32:52.262+00:00 I INDEX 20438 [conn2606] "Index build: registering","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"indexes":1,"firstIndex":{"name":"x_1"}} [j0:prim] | 2021-03-22T05:32:52.341+00:00 I INDEX 20384 [IndexBuildsCoordinatorMongod-3] "Index build: starting","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","properties":{"v":2,"key":{"x":1},"name":"x_1"},"method":"Hybrid","maxTemporaryMemoryUsageMB":200} [j0:prim] | 2021-03-22T05:32:52.396+00:00 I INDEX 20346 [IndexBuildsCoordinatorMongod-3] "Index build: initialized","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","initializationTimestamp":{"$timestamp":{"t":1616391172,"i":32}}} [j0:prim] | 2021-03-22T05:32:52.405+00:00 I STORAGE 4847600 [IndexBuildsCoordinatorMongod-3] "Index build: waiting for last optime before interceptors to be majority committed","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"deadline":{"$date":"2021-03-22T05:33:02.403Z"},"timeoutMillis":10000,"lastOpTime":{"ts":{"$timestamp":{"t":1616391172,"i":36}},"t":1}} [j0:prim] | 2021-03-22T05:32:52.409+00:00 I INDEX 20440 [conn2606] "Index build: waiting for index build to complete","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"deadline":{"$date":{"$numberLong":"9223372036854775807"}}} [j0:prim] | 2021-03-22T05:32:52.547+00:00 I INDEX 20391 [IndexBuildsCoordinatorMongod-3] "Index build: collection scan done","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","totalRecords":3,"readSource":"kMajorityCommitted","durationMillis":0} [j0:prim] | 2021-03-22T05:32:52.557+00:00 I INDEX 20685 [IndexBuildsCoordinatorMongod-3] "Index build: inserted keys from external sorter into index","attr":{"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","index":"x_1","keysInserted":3,"durationMillis":0} [j0:prim] | 2021-03-22T05:32:52.671+00:00 I INDEX 20689 [IndexBuildsCoordinatorMongod-3] "Index build: drained side writes","attr":{"index":"x_1","collectionUUID":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","numApplied":3,"totalInserted":2,"totalDeleted":1,"durationMillis":11} [j0:prim] | 2021-03-22T05:32:52.688+00:00 I COMMAND 51803 [conn757] "Slow query","attr":{"type":"command","ns":"config.system.indexBuilds","command":{"voteCommitIndexBuild":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"},"hostAndPort":"localhost:20001","writeConcern":{"w":"majority"},"$clusterTime":{"clusterTime":{"$timestamp":{"t":1616391172,"i":43}},"signature":{"hash":{"$binary":{"base64":"beyCKo+9ofpUqhygO466WT8MBIk=","subType":"0"}},"keyId":6942345262778024000}},"$db":"admin"},"numYields":0,"reslen":163,"locks":{"ReplicationStateTransition":{"acquireCount":{"w":3}},"Global":{"acquireCount":{"r":2,"w":1}},"Database":{"acquireCount":{"r":2,"w":1}},"Collection":{"acquireCount":{"r":2,"w":1}},"Mutex":{"acquireCount":{"r":5}}},"flowControl":{"acquireCount":1,"timeAcquiringMicros":20},"writeConcern":{"w":"majority","wtimeout":0,"provenance":"clientSupplied"},"storage":{},"remote":"127.0.0.1:53174","protocol":"op_msg","durationMillis":171} [j0:prim] | 2021-03-22T05:32:52.695+00:00 I STORAGE 23879 [conn2608] "About to abort all index builders","attr":{"namespace":"access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll","uuid":{"uuid":{"$uuid":"5a334853-b30f-49d8-864e-6bc841e78a90"}},"reason":"Collection access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll(5a334853-b30f-49d8-864e-6bc841e78a90) is being dropped"} [j0:prim] | 2021-03-22T05:32:52.696+00:00 I STORAGE 4656010 [conn2608] "Attempting to abort index build","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}}} [j0:prim] | 2021-03-22T05:32:52.696+00:00 I STORAGE 4656003 [conn2608] "Aborting index build","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"error":"Collection access_collection_in_transaction_after_catalog_changes_ddl_db.ddl_coll(5a334853-b30f-49d8-864e-6bc841e78a90) is being dropped"} [j0:prim] | 2021-03-22T05:32:52.705+00:00 I STORAGE 465611 [conn2608] "Cleaned up index build after abort. ","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}}} [j0:prim] | 2021-03-22T05:32:53.056+00:00 I STORAGE 20655 [conn2608] "Index build: joined after abort","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"waitResult":{"code":0,"codeName":"OK"},"status":{"code":47,"codeName":"NoMatchingDocument","errmsg":"failed to get commit quorum before committing index build: 27843eda-2d02-4e1d-9292-983dcd05e571 :: caused by :: No matching IndexBuildEntry found with indexBuildUUID: 27843eda-2d02-4e1d-9292-983dcd05e571"}} [j0:prim] | 2021-03-22T05:32:53.077+00:00 I INDEX 20449 [conn2606] "Index build: failed","attr":{"buildUUID":{"uuid":{"$uuid":"27843eda-2d02-4e1d-9292-983dcd05e571"}},"error":{"code":47,"codeName":"NoMatchingDocument","errmsg":"failed to get commit quorum before committing index build: 27843eda-2d02-4e1d-9292-983dcd05e571 :: caused by :: No matching IndexBuildEntry found with indexBuildUUID: 27843eda-2d02-4e1d-9292-983dcd05e571"}}
The index build did get aborted cleanly but returned NoMatchingDocument instead of IndexBuildAborted. This is because we tried to read the index build entry from config.system.indexBuilds while being aborted, which removed the entry.