如何解决发生PM2错误=>通过信号[SIGINT]以代码[1]退出
Nodejs在PM2上运行了很长时间。还有一个玉米每天都会清除PM2日志
0 0 * * * find /home/user/.pm2/logs* -mtime +2 -exec rm -rf {} \;
以下错误发生了1000次,然后pm2停止工作,然后当我重新加载该实例时,它仍然可以正常工作。
此错误的原因可能是什么?
/home/user/.nvm/versions/node/v12.16.1/lib/node_modules/pm2/lib/ProcessContainer.js:167
throw err;
^
[Error: ENOENT: no such file or directory,open '/home/user/.pm2/logs/out.log'] {
errno: -2,code: 'ENOENT',syscall: 'open',path: '/home/user/.pm2/logs/out.log'
}
2020-09-09T00:55:33: PM2 log: App name:app id:1 disconnected
2020-09-09T00:55:33: PM2 log: App exited with code [1] via signal [SIGINT]
2020-09-09T00:55:33: PM2 log: App starting in -cluster mode-
2020-09-09T00:55:33: PM2 log: App online
/home/user/.nvm/versions/node/v12.16.1/lib/node_modules/pm2/lib/ProcessContainer.js:167
throw err;
^
[Error: ENOENT: no such file or directory,path: '/home/user/.pm2/logs/out.log'
}
2020-09-09T00:55:33: PM2 log: App name:app id:1 disconnected
2020-09-09T00:55:33: PM2 log: App exited with code [1] via signal [SIGINT]
2020-09-09T00:55:33: PM2 log: App starting in -cluster mode-
2020-09-09T00:55:33: PM2 log: App online
/home/user/.nvm/versions/node/v12.16.1/lib/node_modules/pm2/lib/ProcessContainer.js:167
throw err;
^
[Error: ENOENT: no such file or directory,path: '/home/user/.pm2/logs/out.log'
}
解决方法
您正试图仅使用rm
来清理日志文件。您不能那样做™。在Linux和其他UNIX派生的操作系统上,即使您从目录rm
写入日志文件的程序也将其保持打开状态。直到编写该文件的程序将其关闭(或终止),该文件才真正消失。对于所有类型的软件(不仅是pm2)都是如此。
如果只想清除日志文件并重新开始,则命令pm2 flush
适合您。
如果您想在有限的时间内保存旧日志,则应调查pm2's log rotation addon。
像这样的命令可能会帮到您
# install the pm2 addon ... notice it says pm2 install,not npm install
pm2 install pm2-logrotate
# rotate when a logfile fills to ten megabytes
pm2 set pm2-logrotate:max_size 10M
# gzip compress the rotated logs to save space
pm2 set pm2-logrotate:compress true
# force rotation at 00:00 each day even if logfile is not full
pm2 set pm2-logrotate:rotateInterval '0 0 * * *'
您可以说pm2 config pm2-logrotate
来显示它的当前设置。
您可以尝试以下两个步骤并检查是否可行。
pm2 start bin/www -i 0 // this will start a cluster and the main app
pm2 stop 0 // this will allow the cluster to keep running
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