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Find out how to know which line of json is failing to unmarshal? – Getting Assist

I’m engaged on an app that makes use of go to parse a json file for settings. I get the error proven beneath, but it surely’s not telling me what line within the json file is inflicting the difficulty. How do I see this?

panic: json: can't unmarshal string into Go worth of sort map[string]*json.RawMessage

You may examine your Go code to see the place you’ve a area of sort map[string]*json.RawMessage after which examine your JSON file to see if it’s a string as a substitute.

I don’t have entry to the code. I hoped there was a approach to activate extra detailed logs like in Rust

I’m not conscious of any approach to do this in Go.

May you paste your JSON into a web-based JSON parser and see what the offending line is that approach? Additionally you possibly can organize a fast check utilizing the playground and attempt to debug it that approach. For instance, modify this playground hyperlink to have your precise JSON:

func fundamental() {
	// Substitute this together with your JSON
	byt := []byte(`{ "value1": "check", "value2": }`)
	var dat map[string]*json.RawMessage
	if err := json.Unmarshal(byt, &dat); err != nil {

The output from that’s no less than extra descriptive than what your executable is supplying you with:

panic: invalid character '}' on the lookout for starting of worth

goroutine 1 [running]:
	/tmp/sandbox266866198/prog.go:13 +0xe7

Program exited.

You may additionally attempt the process outlined right here together with that go playground hyperlink to get extra information:

Although as soon as once more, a web-based JSON parser ought to work positive to provide you an in depth error message.


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