mongoDB非正常关闭后无法启动问题

前段时间不小心非正常关闭了mongoDB，准备重启却发现不行，错误信息如下：

Tue Apr 17 11:13:30
Tue Apr 17 11:13:30 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability.
Tue Apr 17 11:13:30
Tue Apr 17 11:13:30 [initandlisten] MongoDB starting : pid=7128 port=27017 dbpath=D:\Programs\mongodb204\db 32-bit host=FALCON
Tue Apr 17 11:13:30 [initandlisten]
Tue Apr 17 11:13:30 [initandlisten] ** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data
Tue Apr 17 11:13:30 [initandlisten] **       see http://blog.mongodb.org/post/137788967/32-bit-limitations
Tue Apr 17 11:13:30 [initandlisten] **       with --journal, the limit is lower
Tue Apr 17 11:13:30 [initandlisten]
Tue Apr 17 11:13:30 [initandlisten] db version v2.0.4, pdfile version 4.5
Tue Apr 17 11:13:30 [initandlisten] git version: 329f3c47fe8136c03392c8f0e548506cb21f8ebf
Tue Apr 17 11:13:30 [initandlisten] build info: windows sys.getwindowsversion(major=6, minor=0, build=6002, platform=2, service_pack='Service Pack 2')BOOST_LIB_VERSION=1_42
Tue Apr 17 11:13:30 [initandlisten] options: { dbpath: "D:\Programs\mongodb204\db" }
**************
Unclean shutdown detected.
Please visit http://dochub.mongodb.org/core/repair for recovery instructions.
*************
Tue Apr 17 11:13:30 [initandlisten] exception in initAndListen: 12596 old lock file, terminating
Tue Apr 17 11:13:30 dbexit:
Tue Apr 17 11:13:30 [initandlisten] shutdown: going to close listening sockets...
Tue Apr 17 11:13:30 [initandlisten] shutdown: going to flush diaglog...
Tue Apr 17 11:13:30 [initandlisten] shutdown: going to close sockets...
Tue Apr 17 11:13:30 [initandlisten] shutdown: waiting for fs preallocator...
Tue Apr 17 11:13:30 [initandlisten] shutdown: closing all files...
Tue Apr 17 11:13:30 [initandlisten] closeAllFiles() finished
Tue Apr 17 11:13:30 dbexit: really exiting now
           

解决方法：

1、删除%MONGO_HOME%/db下的.lock文件

2、输入命令 mongod --repair

3、重启mongoDB

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原文链接：https://blog.csdn.net/weixin_34248023/article/details/92734300