jackwener/OpenCLI · error · EmptyResultError

coupang product

Error message

coupang product

What it means

EmptyResultError (exit code 66, EX_NOINPUT) raised when the product page redirected to a different product than requested (result.reason === 'PRODUCT_MISMATCH'). The message reports the expected vs observed product id, noting the item may be sold out or region-restricted.

Source

Thrown at clis/coupang/product.js:234

        const targetUrl = canonicalizeProductUrl(kwargs.url, productId);
        const finalUrl = targetUrl || canonicalizeProductUrl('', productId);
        await page.goto(finalUrl).catch((error) => {
            throw new CommandExecutionError(`coupang product navigation failed: ${error?.message || error}`);
        });
        await page.wait(2).catch((error) => {
            throw new CommandExecutionError(`coupang product wait failed: ${error?.message || error}`);
        });
        const result = await page.evaluate(buildProductDetailEvaluate(productId)).catch((error) => {
            throw new CommandExecutionError(`coupang product extraction failed: ${error?.message || error}`);
        });
        const loginHints = result?.loginHints ?? {};
        if (loginHints.hasLoginLink && !loginHints.hasMyCoupang) {
            throw new AuthRequiredError('coupang.com', 'Please log into Coupang in Chrome and retry.');
        }
        if (result?.reason === 'PRODUCT_MISMATCH') {
            const actualProductId = normalizeProductId(result?.currentProductId || '');
            const observed = actualProductId ? `got ${actualProductId}` : 'no product id observed';
            throw new EmptyResultError('coupang product', `Product page redirected: expected ${productId}, ${observed} (item may be sold out or unavailable in your region)`);
        }
        if (!result?.ok || !result?.data) {
            throw new EmptyResultError('coupang product', `No product data extracted from ${finalUrl}. The page may have failed to render or this product is restricted.`);
        }
        const actualProductId = normalizeProductId(result?.currentProductId || result.data.product_id || productId);
        const data = result.data;
        return [{
                product_id: actualProductId,
                title: data.title || null,
                price: data.price ?? null,
                original_price: data.original_price ?? null,
                discount_rate: data.discount_rate ?? null,
                rating: data.rating ?? null,
                review_count: data.review_count ?? null,
                seller: data.seller || null,
                brand: data.brand || null,
                rocket: data.rocket || null,
                delivery_promise: data.delivery_promise || null,

View on GitHub (pinned to 49907e53dc)

Solutions

1. Compare the observed product id in the message with the requested one to confirm the redirect.
2. Re-check the product URL in a browser — if Coupang redirects there too, the item is gone/region-locked.
3. Use a fresh product id/URL (e.g. from a current search result) instead of a cached one.
4. Retry from a different region/proxy if regional availability is the cause.

Example fix

// before
opencli coupang product --url https://www.coupang.com/vp/products/OLD_ID
// after
opencli coupang product --url https://www.coupang.com/vp/products/CURRENT_ID

// verify the id is one you recently saw, not a stale cached one
if (isStale(productId, maxAgeHours)) throw new Error(`product id ${productId} may be outdated; refresh from search`);

function isProductMismatch(err) { return err?.code === 'EMPTY_RESULT' && /Product page redirected/.test(err.message); }

try {
  return await run('coupang product', { productId });
} catch (err) {
  if (err?.code === 'EMPTY_RESULT' && /redirected/.test(err.message)) {
    // item sold out / region-locked; fall back to searching by title
    return await run('coupang search', { query: knownTitle });
  }
  throw err;
}

When it happens

Trigger: `opencli coupang product --url/--product-id <id>` where canonicalizeProductUrl landed on a page whose currentProductId differs from the requested productId — Coupang redirected to a replacement item, a category page, or a sold-out notice.

Common situations: Product discontinued and Coupang redirects to a similar item; item sold out and Coupang redirects; region restriction serving a different storefront page; stale/dead product-id scraped from an old list; typo'd product id resolving to another item.

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AI-assisted analysis of jackwener/OpenCLI@49907e53dc (2026-08-29). Data as JSON: /api/errors/adfa052e19b31dde. Report an issue: GitHub.