Error creating json file in node js

Question

I have followed many solutions provided in the previous questions but mine is not working. The problem is in .json extension. Whenever I use filename.json, the app will crash with ERR_CONNECTION_RESET but successfully created an empty .json file. However, if I change the extension to filename.txt, the fs.writeFile will successfully create the filename.txt with the data inside and the app will work as expected. Did I miss any configuration here to create the JSON file? Here is the example code I used.

var jsonData = '{"persons":[{"name":"John","city":"New York"},{"name":"Phil","city":"Ohio"}]}';

// parse json
var jsonObj = JSON.parse(jsonData);
console.log(jsonObj);

// stringify JSON Object
var jsonContent = JSON.stringify(jsonObj);
console.log(jsonContent);

fs.writeFile("./public/output.json", jsonContent, 'utf8', function(err) {
  if (err) {
    console.log("An error occured while writing JSON Object to File.");
    return console.log(err);
  }

  console.log("JSON file has been saved.");
});

Are you using a live reload server? Because if that's the case, the live-server will track for .json changes and if it finds a new file create event, it'll restart the Node application, hence closing the thread. — weirdpanda
– weirdpanda, Commented Feb 2, 2018 at 6:54
@Dean Yeah, that's strange! I am not sure what's wrong with my nodejs app. — idilhaq
– idilhaq, Commented Feb 2, 2018 at 6:55
@weirdpanda I am only using nodemon. Could it be the problem? — idilhaq
– idilhaq, Commented Feb 2, 2018 at 6:59
@striplingboy, yeah! I guess that's the problem. Try excluding --ignore public/**/*.json That should be helpful for debugging. — weirdpanda
– weirdpanda, Commented Feb 2, 2018 at 7:00

weirdpanda · Accepted Answer · 2018-02-02 07:10:16Z

1

So, ERR_CONNECTION_RESET means that the connection was closed midway. My guess, as in the comments, would be that it's a reloading server.

Try using --ignore public/**/*.json and it should work.

answered Feb 2, 2018 at 7:10

weirdpanda

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