SaaS Monitoring Guides
How to Fix Name Not Resolved in Netlify Functions
Learn how to diagnose and resolve name not resolved when running Playwright tests in netlify functions.
Encountering name-not-resolved in netlify-functions is a common hurdle for engineering teams. This guide provides a surgical approach to fixing the issue and ensuring your monitoring is resilient.
Error Impact Analysis
| Problem | Impact | Solution |
|---|---|---|
| name not resolved | Tests fail intermittently, causing noise | Implement Smart Retries |
| Environment Latency | False positives in netlify functions | Adjust Timeouts Dynamically |
| Resource Exhaustion | Target closed or browser crashes | Optimize Container Resources |
Quick Fix Steps
- Verify Network Connectivity: Ensure
netlify-functionshas access to the target URL. - Increase Navigation Timeout: Add
page.setDefaultNavigationTimeout(60000). - Check Resource Limits: Increase memory/CPU if running in Docker or CI.
Playwright Debugging Script
import { test, expect } from '@playwright/test';
test('debug name-not-resolved in netlify-functions', async ({ page }) => {
// Set explicit timeouts for debugging
page.setDefaultTimeout(45000);
try {
await page.goto('https://your-app.com', { waitUntil: 'networkidle' });
// Add logic to trigger the error
} catch (error) {
console.error('Captured Error in netlify-functions:', error.message);
throw error;
}
});Solving the Maintenance Tax with supaguard
Instead of manually debugging name-not-resolved every time your CI environment changes, supaguard automates the recovery.
AI-Native RCA
Our Sanctum AI analyzes the execution trace and provides a human-readable explanation of why name-not-resolved occurred in netlify-functions.
Automatic Region Verification
If a check fails in one region, supaguard automatically retries from another to confirm if the issue is global or specific to the netlify-functions network.