Failed to connect to 127.0.0.1:27017, reason: errno:111 Connection refused（MongoDB启动异常）

时间：2021-07-24 13:27:45

mongdb启动异常：

Failed to connect to 127.0.0.1:27017, reason: errno:111 Connection refused

1、若数据库出现如上不能连接的原因，可能是data目录下的mongod.lock文件问题，可以用如下命令修复：

 
 
 
  
 
   [root@localhost ~]# cd /usr/local/mongodb/ 
  
 
  
 
   [root@localhost mongodb]# ./bin/mongod --repair 
  
 
  
 
   2015-09-01T18:25:40.659+0800 I STORAGE [initandlisten] exception in initAndListen: 29 Data directory /data/db not found., terminating 
  
 
 
 

 


  或者直接删除mongod.lock。 

 

 
 
 
  
 
  
 
   
 
    [root@localhost mongodb]# rm -f /usr/local/mongodb/data/db/mongod.lock  
   
 
  
 
 
 
 

   然后再重新启动MONGODB 
 
 

 

 
 
 
  
 
  
 
   
 
    [root@localhost ~]# mongod -f /etc/monogdb.conf  
   
 
   
 
    note: noprealloc may hurt performance in many applications 
   
 
   
 
    about to fork child process, waiting until server is ready for connections. 
   
 
   
 
    forked process: 4935 
   
 
   
 
    child process started successfully, parent exiting 
   
 
  
 
 
 



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