spawn EACCES- Aws lambda function getting error

Question

I am invoking aws lambda function from aws console and I am getting an error, Please help me my code is blowing

const ffmpeg = spawn('ffmpeg', ["-framerate", "0.5", "-i", myarray[0], "-i", 
    myarray[1], "-i", myarray[2], "-pix_fmt", "yuv420p", '-codec:v', 'libx264', 
   "/var/task/bin/video.mp4"]);

Error: spawn EACCES
   at _errnoException (util.js:1022:11)
   at ChildProcess.spawn (internal/child_process.js:323:11)
   at exports.spawn (child_process.js:502:9)
   at Timeout.setTimeout [as _onTimeout] (/var/task/handler.js:23:22)
   at ontimeout (timers.js:482:11)
   at tryOnTimeout (timers.js:317:5)
   at Timer.listOnTimeout (timers.js:277:5)

My Code

var AWS = require("aws-sdk");
var s3 = new AWS.S3();
const spawn = require('child_process').spawn;


var myarray = [];
//module.exports.hello
exports.handler = function (event, context, callback) {

return new Promise(function (resolve, reject) {

process.env.PATH = require("path").join(__dirname, "bin") + ":" + process.env['LAMBDA_TASK_ROOT'] +'; chmod 755 /tmp/bin/ffmpeg';

console.log(process.env.PATH);

GetImagesFromS3();

setTimeout(() => {
  const ffmpeg = spawn('ffmpeg', ["-framerate", "0.5", "-i", myarray[0], "-i", myarray[1], "-i", myarray[2], "-pix_fmt", "yuv420p", '-codec:v', 'libx264', '/temp/video.mp4']);
  ffmpeg.stderr.on('data', (data) => {
    console.log(`${data}`);
  });
  ffmpeg.on('close', (code) => {
    console.log('close', code)
  });
  ffmpeg.on('error', (code) => {
    console.log('error', code)
  });
}, 5000);
});
};


// get images from s3 bucket
function GetImagesFromS3() {
return new Promise(function (resolve, reject) {
var params = {
  Bucket: 'hhotimages'
};
s3.listObjects(params, function (err, data) {
  var bucketContents = data.Contents;
  for (var i = 0; i < bucketContents.length; i++) {
    var urlParams = {
      Bucket: 'hhotimages',
      Key: bucketContents[i].Key
    };
    s3.getSignedUrl('getObject', urlParams, function (err, url) {
      console.log('the url of the image is', url);
      myarray.push(url);
    });
    }

  });
  });
 }

can you share the complete function? or part of it which replicates the issue... get your function to run successfully through the tests in the console before invoking it from other places. — Akber Iqbal

thomasmichaelwallace thomasmichaelwallace · Accepted Answer · 2018-11-30T13:35:02

It looks like you're already shipping ffmpeg with your lambda function or else you would be getting ENOENT.

However, the ffmpeg you've packaged needs the executable bit set (chmod +x ffmpeg prior to packaging). Without this you do not have permission to execute ffmpeg, which is probably why you're getting EACCES.

You might also get this if your ffmpeg was compiled for something other than the lambda environment.

spawn EACCES- Aws lambda function getting error

1 Answers