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Error: spawn E2BIG

See original GitHub issue

If externals get over a certain number, on macOS 11.5 I’m getting this error when packaging:

Serverless: Compiling to node14 bundle with esbuild...
Serverless: Compiling completed.
Serverless: Package lock found - Using locked versions
Serverless: Packing external modules: < ... list of external modules>
 Error ---------------------------------------------------
 
  Error: spawn E2BIG
      at ChildProcess.spawn (internal/child_process.js:403:11)
      at spawn (child_process.js:580:9)
      at Object.spawnWithSignal [as spawn] (child_process.js:717:17)
      at /Users/.../node_modules/bestzip/lib/bestzip.js:74:29
      at /Users/.../node_modules/bestzip/node_modules/async/dist/async.js:1802:20
      at /Users/.../node_modules/bestzip/node_modules/async/dist/async.js:248:13
      at wrapper (/Users/.../node_modules/bestzip/node_modules/async/dist/async.js:268:20)
      at iterateeCallback (/Users/.../node_modules/bestzip/node_modules/async/dist/async.js:421:28)
      at /Users/.../node_modules/bestzip/node_modules/async/dist/async.js:321:20
      at /Users/.../node_modules/bestzip/node_modules/async/dist/async.js:245:17
      at /Users/.../node_modules/bestzip/node_modules/async/dist/async.js:1792:24
      at /Users/.../node_modules/bestzip/lib/bestzip.js:49:7
      at processTicksAndRejections (internal/process/task_queues.js:77:11)
 
     For debugging logs, run again after setting the "SLS_DEBUG=*" environment variable.
 
  Get Support --------------------------------------------
     Docs:          docs.serverless.com
     Bugs:          github.com/serverless/serverless/issues
     Issues:        forum.serverless.com
 
  Your Environment Information ---------------------------
     Operating System:          darwin
     Node Version:              14.17.3
     Framework Version:         2.52.1 (local)
     Plugin Version:            5.4.3
     SDK Version:               4.2.5
     Components Version:        3.14.0

Same error using node version 16.5.0.

On a Linux distro it’s running fine though.

Any help would be appreciated.