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在Linux系统的ECS实例中启动MongoDB时提示“ERROR: child process failed, exited with error number 100”错误怎么办?

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本文介绍在Linux系统的ECS实例中,启动MongoDB时提示“ERROR: child process failed, exited with error number 100”错误的解决方案。

问题现象

在Linux系统的ECS实例中启动MongoDB时提示错误,具体显示如下。

Starting mongod: Wed May 29 16:32:31.518 
Wed May 29 16:32:31.518 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability.
Wed May 29 16:32:31.518 
about to fork child process, waiting until server is ready for connections.
forked process: 17684
all output going to: /var/log/mongo/mongod.log
ERROR: child process failed, exited with error number 100 [失败]

问题原因

错误提示为:ERROR: child process failed, exited with error number 100

解决方案

没有正常关闭MongoDB服务,导致MongoDB被锁,删除掉MongoDB里的mongod.lock文件,重新启动服务即可。

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