使用NodeJS的PM2在几分钟后崩溃，并在循环中重新启动
使用NodeJS的PM2在几分钟后崩溃，并在循环中重新启动
提问于 2021-04-23 04:45:49
我有一个NodeJs+Express+Mongodb应用程序，我正试着在我的vps上运行它。我有：
pm2 start server
[PM2] Applying action restartProcessId on app [server](ids: [ 1 ])
[PM2] [server](1) ✓
[PM2] Process successfully started
┌────┬────────────────────┬──────────┬──────┬───────────┬──────────┬──────────┐
│ id │ name │ mode │ ↺ │ status │ cpu │ memory │
├────┼────────────────────┼──────────┼──────┼───────────┼──────────┼──────────┤
│ 1 │ server │ fork │ 991 │ online │ 0% │ 13.8mb │
└────┴────────────────────┴──────────┴──────┴───────────┴──────────┴──────────┘
Current process list running is not in sync with saved list. App app differs. Type 'pm2 save' to synchronize.一切都很好。但几分钟后，pm2出现错误，并每隔1秒循环重启一次：
2021-04-21T09:39:19: PM2 log: ===============================================================================
2021-04-21T09:39:19: PM2 log: --- New PM2 Daemon started ----------------------------------------------------
2021-04-21T09:39:19: PM2 log: Time : Wed Apr 21 2021 09:39:19 GMT+0000 (Coordinated Universal Time)
2021-04-21T09:39:19: PM2 log: PM2 version : 4.5.5
2021-04-21T09:39:19: PM2 log: Node.js version : 15.12.0
2021-04-21T09:39:19: PM2 log: Current arch : x64
2021-04-21T09:39:19: PM2 log: PM2 home : /home/debian/.pm2
2021-04-21T09:39:19: PM2 log: PM2 PID file : /home/debian/.pm2/pm2.pid
2021-04-21T09:39:19: PM2 log: RPC socket file : /home/debian/.pm2/rpc.sock
2021-04-21T09:39:19: PM2 log: BUS socket file : /home/debian/.pm2/pub.sock
2021-04-21T09:39:19: PM2 log: Application log path : /home/debian/.pm2/logs
2021-04-21T09:39:19: PM2 log: Worker Interval : 30000
2021-04-21T09:39:19: PM2 log: Process dump file : /home/debian/.pm2/dump.pm2
2021-04-21T09:39:19: PM2 log: Concurrent actions : 2
2021-04-21T09:39:19: PM2 log: SIGTERM timeout : 1600
2021-04-21T09:39:19: PM2 log: ===============================================================================
2021-04-21T09:39:32: PM2 error: 2 : id unknown
2021-04-21T09:39:32: PM2 error: Trace: Error: 2 : id unknown
at Object.God.logAndGenerateError (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/Methods.js:39:12)
at Object.God.stopProcessId (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/ActionMethods.js:306:21)
at God.deleteProcessId (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/ActionMethods.js:383:9)
at Server.onmessage (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/node_modules/pm2-axon-rpc/lib/server.js:104:6)
at RepSocket.emit (node:events:369:20)
at RepSocket.emit (node:domain:470:12)
at Parser.<anonymous> (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/node_modules/pm2-axon/lib/sockets/rep.js:51:15)
at Parser.emit (node:events:369:20)
at Parser.emit (node:domain:532:15)
at Parser._write (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/node_modules/amp/lib/stream.js:91:16)
at Object.God.logAndGenerateError (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/Methods.js:34:15)
at /home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/ActionMethods.js:384:30
at Object.God.stopProcessId (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/ActionMethods.js:306:14)
at God.deleteProcessId (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/lib/God/ActionMethods.js:383:9)
at Server.onmessage (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/node_modules/pm2-axon-rpc/lib/server.js:104:6)
at RepSocket.emit (node:events:369:20)
at RepSocket.emit (node:domain:470:12)
at Parser.<anonymous> (/home/debian/.nvm/versions/node/v15.12.0/lib/node_modules/pm2/node_modules/pm2-axon/lib/sockets/rep.js:51:15)
at Parser.emit (node:events:369:20)
at Parser.emit (node:domain:532:15)
2021-04-21T09:39:49: PM2 log: PM2 successfully stopped
2021-04-21T09:39:57: PM2 log: ===============================================================================
2021-04-21T09:39:57: PM2 log: --- New PM2 Daemon started ----------------------------------------------------
2021-04-21T09:39:57: PM2 log: Time : Wed Apr 21 2021 09:39:57 GMT+0000 (Coordinated Universal Time)
2021-04-21T09:39:57: PM2 log: PM2 version : 4.5.5
2021-04-21T09:39:57: PM2 log: Node.js version : 15.12.0
2021-04-21T09:39:57: PM2 log: Current arch : x64
2021-04-21T09:39:57: PM2 log: PM2 home : /home/debian/.pm2
2021-04-21T09:39:57: PM2 log: PM2 PID file : /home/debian/.pm2/pm2.pid
2021-04-21T09:39:57: PM2 log: RPC socket file : /home/debian/.pm2/rpc.sock
2021-04-21T09:39:57: PM2 log: BUS socket file : /home/debian/.pm2/pub.sock
2021-04-21T09:39:57: PM2 log: Application log path : /home/debian/.pm2/logs
2021-04-21T09:39:57: PM2 log: Worker Interval : 30000
2021-04-21T09:39:57: PM2 log: Process dump file : /home/debian/.pm2/dump.pm2
2021-04-21T09:39:57: PM2 log: Concurrent actions : 2
2021-04-21T09:39:57: PM2 log: SIGTERM timeout : 1600
2021-04-21T09:39:57: PM2 log: ===============================================================================
2021-04-21T10:07:24: PM2 log: App [app:0] starting in -fork mode-
2021-04-21T10:07:24: PM2 log: App [app:0] online
2021-04-21T10:07:25: PM2 log: App [app:0] exited with code [1] via signal [SIGINT]
2021-04-21T10:07:25: PM2 log: App [app:0] starting in -fork mode-
2021-04-21T10:07:25: PM2 log: App [app:0] online
2021-04-21T10:07:26: PM2 log: App [app:0] exited with code [1] via signal [SIGINT]
2021-04-21T10:07:26: PM2 log: App [app:0] starting in -fork mode-
2021-04-21T10:07:26: PM2 log: App [app:0] online
2021-04-21T10:07:26: PM2 log: App [app:0] exited with code [1] via signal [SIGINT]
2021-04-21T10:07:26: PM2 log: App [app:0] starting in -fork mode-
2021-04-21T10:07:26: PM2 log: App [app:0] online
// infinite loop here
2021-04-21T10:07:27: PM2 log: App [app:0] exited with code [1] via signal [SIGINT]
2021-04-21T10:07:27: PM2 log: App [app:0] starting in -fork mode-
2021-04-21T10:07:27: PM2 log: App [app:0] online有没有人能帮我弄明白出了什么问题？在localhost中一切工作都很好，但让它在生产环境中工作对我来说是非常困难的。
回答 3
Stack Overflow用户
发布于 2021-04-23 06:14:27
尝试在没有PM2的情况下启动应用程序，通常这表明节点实例失败，因此执行常规的节点appname将在节点应用程序失败的地方生成，可能是缺少包。
Stack Overflow用户
发布于 2021-04-25 18:32:08
阅读消息:正在运行的进程未同步。
你需要使用pm2 save。
按照相应的文档进行操作。
Stack Overflow用户
发布于 2021-10-12 17:42:18
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/67220529
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