sipeed/picoclaw · error

Invalid JSON: %v

Error message

Invalid JSON: %v

What it means

Error "Invalid JSON: %v" thrown in sipeed/picoclaw.

Source

Thrown at web/backend/api/config.go:62

	if err := json.NewEncoder(w).Encode(cfg); err != nil {
		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
	}
}

// handleUpdateConfig updates the complete system configuration.
//
//	PUT /api/config
func (h *Handler) handleUpdateConfig(w http.ResponseWriter, r *http.Request) {
	body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20))
	if err != nil {
		http.Error(w, "Failed to read request body", http.StatusBadRequest)
		return
	}
	defer r.Body.Close()

	var raw map[string]any
	if err = json.Unmarshal(body, &raw); err != nil {
		http.Error(w, fmt.Sprintf("Invalid JSON: %v", err), http.StatusBadRequest)
		return
	}
	if err = normalizeChannelArrayFields(raw); err != nil {
		http.Error(w, fmt.Sprintf("Invalid channel array field: %v", err), http.StatusBadRequest)
		return
	}
	normalizedBody, err := json.Marshal(raw)
	if err != nil {
		http.Error(w, "Failed to normalize config payload", http.StatusBadRequest)
		return
	}
	var cfg config.Config
	if err = json.Unmarshal(normalizedBody, &cfg); err != nil {
		http.Error(w, fmt.Sprintf("Invalid JSON: %v", err), http.StatusBadRequest)
		return
	}
	cfg.Session.ApplyDmScope()
	cfg.Session.DeriveDmScope()

View on GitHub (pinned to 49183d7e8d)

When it happens

Trigger: Thrown at web/backend/api/config.go:62 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Parsing and encoding errors: unexpected token, malformed input — why parsers reject input and how to find the real culprit.

AI-assisted analysis of sipeed/picoclaw@49183d7e8d (2026-08-15). Data as JSON: /api/errors/14d68cf76133ac9d. Report an issue: GitHub.