projectdiscovery/nuclei · error

slice doesn't exist in any of %v places to unmarshal

Error message

slice doesn't exist in any of %v places to unmarshal

What it means

Error "slice doesn't exist in any of %v places to unmarshal" thrown in projectdiscovery/nuclei.

Source

Thrown at pkg/reporting/trackers/linear/jsonutil/jsonutil.go:138

		// Are we inside an array and seeing next value (rather than end of array)?
		case d.state() == '[' && tok != json.Delim(']'):
			someSliceExist := false
			for i := range d.vs {
				v := d.vs[i][len(d.vs[i])-1]
				if v.Kind() == reflect.Pointer {
					v = v.Elem()
				}
				var f reflect.Value
				if v.Kind() == reflect.Slice {
					v.Set(reflect.Append(v, reflect.Zero(v.Type().Elem()))) // v = append(v, T).
					f = v.Index(v.Len() - 1)
					someSliceExist = true
				}
				d.vs[i] = append(d.vs[i], f)
			}
			if !someSliceExist {
				return fmt.Errorf("slice doesn't exist in any of %v places to unmarshal", len(d.vs))
			}
		}

		switch tok := tok.(type) {
		case string, json.Number, bool, nil:
			// Value.

			for i := range d.vs {
				v := d.vs[i][len(d.vs[i])-1]
				if !v.IsValid() {
					continue
				}
				err := unmarshalValue(tok, v)
				if err != nil {
					return err
				}
			}
			d.popAllVs()

View on GitHub (pinned to 265b3a3dec)

When it happens

Trigger: Thrown at pkg/reporting/trackers/linear/jsonutil/jsonutil.go:138 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of projectdiscovery/nuclei@265b3a3dec (2026-08-15). Data as JSON: /api/errors/af92afc54c3cdbc4. Report an issue: GitHub.