After an unexpected shutdown, mongodb does not start properly. I have tried the --repair run with mongo:3.4.6, But not work.
os : windows server
start log is:
2018-07-10T09:24:35.661+0800 I CONTROL [initandlisten] options: { storage: { dbPath: "E:\servers\mongodb\data" } } 2018-07-10T09:24:35.661+0800 W - [initandlisten] Detected unclean shutdown - E:\servers\mongodb\data\mongod.lock is not empty. 2018-07-10T09:24:35.662+0800 I - [initandlisten] Detected data files in E:\servers\mongodb\data created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'. 2018-07-10T09:24:35.663+0800 W STORAGE [initandlisten] Recovering data from the last clean checkpoint. 2018-07-10T09:24:35.663+0800 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=32199M,session_max=20000,eviction=(threads_min=4,thr eads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),c heckpoint=(wait=60,log_size=2GB),statistics_log=(wait=0), 2018-07-10T09:24:35.672+0800 E STORAGE [initandlisten] WiredTiger error (-31802) [1531185875:672589][4124:1991524064], file:WiredTiger.wt, connection : unable to read root page from file:WiredTiger.wt: WT_ERROR: non-specific WiredTiger error 2018-07-10T09:24:35.673+0800 E STORAGE [initandlisten] WiredTiger error (0) [1531185875:673589][4124:1991524064], file:WiredTiger.wt, connection: Wir edTiger has failed to open its metadata 2018-07-10T09:24:35.673+0800 E STORAGE [initandlisten] WiredTiger error (0) [1531185875:673589][4124:1991524064], file:WiredTiger.wt, connection: Thi s may be due to the database files being encrypted, being from an older version or due to corruption on disk 2018-07-10T09:24:35.674+0800 E STORAGE [initandlisten] WiredTiger error (0) [1531185875:674589][4124:1991524064], file:WiredTiger.wt, connection: You should confirm that you have opened the database with the correct options including all encryption and compression options 2018-07-10T09:24:35.675+0800 I - [initandlisten] Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error src\mongo\db\storage\wiredtig er\wiredtiger_kv_engine.cpp 269 2018-07-10T09:24:35.676+0800 I STORAGE [initandlisten] exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating2018-07-10T09:24:35.676+0800 I NETWORK [initandlisten] shutdown: going to close listening sockets... 2018-07-10T09:24:35.677+0800 I NETWORK [initandlisten] shutdown: going to flush diaglog... 2018-07-10T09:24:35.677+0800 I CONTROL [initandlisten] now exiting 2018-07-10T09:24:35.677+0800 I CONTROL [initandlisten] shutting down with code:100