Connection Issues Troubleshooting
Step-by-step guide to resolve connection problems with the Tendersa platform
Connection Issues Troubleshooting
Common Connection Issues
1. Login Problems
Symptoms:
- Cannot log in to the platform
- "Invalid credentials" error
- Login page keeps refreshing
- Session timeout errors
Solutions:
1. Check your credentials
- Verify your email address is correct
- Ensure Caps Lock is off when entering password
- Try the "Forgot Password" option
2. Clear browser data
- Clear cache and cookies for tenders-sa.org
- Chrome: Ctrl+Shift+Delete β Select "Cached images and files"
- Firefox: Ctrl+Shift+Delete β Select "Cache"
3. Check browser compatibility
- Use the latest version of Chrome, Firefox, Safari, or Edge
- Disable browser extensions temporarily
- Try incognito/private browsing mode
4. Verify account status
- Check if your account is active
- Confirm email verification is complete
- Contact support if account is locked
2. API Connection Issues
Symptoms:
- API calls returning 401 Unauthorized
- Connection timeout errors
- SSL certificate errors
- "Cannot connect to server" messages
Solutions:
1. Verify API credentials
// Check your API key format
const headers = {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
};2. Test API connectivity
# Test basic connectivity
curl -I https://api.tenders-sa.org/health
# Test with your API key
curl -H "Authorization: Bearer YOUR_API_KEY" \
https://api.tenders-sa.org/v1/tenders3. Check rate limiting
- Verify you're not exceeding API rate limits
- Check response headers for rate limit information
- Implement exponential backoff for retries
3. Network Connectivity Issues
Symptoms:
- "Site cannot be reached" errors
- DNS resolution failures
- Intermittent connection drops
- Slow loading times
Solutions:
1. Check DNS settings
# Test DNS resolution
nslookup tenders-sa.org
# Test with different DNS servers
nslookup tenders-sa.org 8.8.8.8 # Google DNS
nslookup tenders-sa.org 1.1.1.1 # Cloudflare DNS2. Test network connectivity
# Basic connectivity test
ping tenders-sa.org
# Trace route to identify connection issues
tracert tenders-sa.org # Windows
traceroute tenders-sa.org # Linux/Mac3. Check firewall settings
- Ensure port 443 (HTTPS) is open
- Verify antivirus software isn't blocking the site
- Check corporate firewall restrictions
Advanced Troubleshooting
SSL Certificate Issues
- "Your connection is not private" warnings
- Certificate expired errors
- Mixed content warnings
Solutions:
1. Check system date/time
- Ensure your computer's date and time are correct
- Check timezone settings
2. Update browser and OS
- Install latest browser updates
- Update operating system certificates
- Clear SSL state in browser settings
WebSocket Connection Issues
Symptoms:
- Real-time features not working
- Chat functionality unavailable
- Live updates not appearing
Solutions:
1. Check WebSocket support
// Test WebSocket connection
const ws = new WebSocket('wss://api.tenders-sa.org/ws');
ws.onopen = () => console.log('Connected');
ws.onerror = (error) => console.log('Connection failed:', error);2. Proxy configuration
- Configure proxy settings for WebSocket connections
- Check corporate proxy restrictions
- Ensure WebSocket protocol is allowed
Performance Issues
Slow Loading Times
- Pages take long time to load
- Images and assets loading slowly
- Timeouts during peak hours
Solutions:
1. Check internet speed
- Test connection speed at speedtest.net
- Ensure minimum 5 Mbps for optimal performance
- Consider using wired connection instead of WiFi
2. Optimize browser performance
- Clear browser cache
- Disable unnecessary browser extensions
- Close unused browser tabs
3. Use CDN resources
- Check if CDN is accessible from your location
- Try accessing from different network
- Contact support for regional access issues
Best Practices
π‘Best Practices for Preventing Connection Issues
- Use a stable internet connection (avoid mobile hotspots for critical work)
- Clear browser cache regularly
- Use password managers to avoid login errors
- Test API connections before implementing in production
- Monitor system status page for known issues
Quick Diagnostic Checklist
- [ ] Internet connection is working (test with other websites)
- [ ] Tendersa status page shows no incidents
- [ ] Browser is updated to latest version
- [ ] Cache and cookies are cleared
- [ ] Different browser/device has same issue
- [ ] API credentials are correct and not expired
- [ ] No firewall/antivirus blocking the site
- [ ] DNS resolution is working correctly
Error Code Reference
|------------|-------------|----------|
| 401 | Unauthorized | Check API key or re-login |
| 403 | Forbidden | Verify account permissions |
| 404 | Not Found | Check URL or API endpoint |
| 429 | Rate Limited | Wait and retry with backoff |
| 500 | Server Error | Try again later, contact support if persists |
| 502 | Bad Gateway | Check system status page |
| 503 | Service Unavailable | Service maintenance, try again later |
| 504 | Gateway Timeout | Check network connectivity |
Related Documentation
- System Status Page - Check for ongoing system issues
- Document Issues Troubleshooting - Fix document upload and processing problems
Help and Support
- Check our system status page for ongoing incidents
- Contact support with specific error messages and steps you've tried
- Include your browser version, operating system, and network details
- Provide screenshots of error messages if possible