Video captures in Anaphora can sometimes fail due to various reasons. Here's your comprehensive guide to diagnosing and fixing common issues.

Common Failure Scenarios

1. Blank Screen Captures

Symptoms:
  - White/black screen in output
  - Missing dashboard elements
  - Incomplete rendering

Solutions:
  - Increase wait time
  - Check viewport size
  - Verify CSS selectors

2. Authentication Issues

  • Session timeouts
  • Invalid credentials
  • SAML/SSO problems
  • Cookie management

3. Performance Problems

  • Browser memory limits
  • Network timeouts
  • Resource constraints
  • Concurrent job limits

Diagnostic Steps

  1. Check Browser Logs

    // Example log pattern
[ERROR] Failed to load resource: net::ERR_CONNECTION_TIMED_OUT

  2. Verify Network Access

    • Dashboard accessibility
    • Proxy settings
    • Firewall rules
    • SSL certificates

  3. Review Resource Usage

    • Memory consumption
    • CPU utilization
    • Network bandwidth
    • Disk space

Advanced Troubleshooting

Browser Configuration

chromium_flags:
  - --disable-gpu
  - --no-sandbox
  - --disable-dev-shm-usage
  - --window-size=1920,1080

Network Settings

  • Connection timeouts
  • Retry attempts
  • Keep-alive settings
  • DNS resolution

Memory Management

  1. Clear browser cache
  2. Adjust memory limits
  3. Monitor swap usage
  4. Optimize concurrent jobs

Common Solutions

For Blank Screens

  1. Increase page load timeout
  2. Add explicit wait conditions
  3. Check JavaScript errors
  4. Verify CSS selectors

For Authentication

  1. Update credentials
  2. Check SSO configuration
  3. Manage cookie persistence
  4. Verify token expiration

For Performance

  1. Optimize dashboard
  2. Reduce capture frequency
  3. Adjust resource limits
  4. Scale infrastructure

Prevention Tips

Regular Maintenance

  • Update browser versions
  • Clear temporary files
  • Monitor system resources
  • Test authentication

Best Practices

  1. Use explicit selectors
  2. Set appropriate timeouts
  3. Monitor job queues
  4. Implement retry logic

Debug Mode

Enable debug mode for detailed logs:

docker run -e DEBUG=true beshultd/anaphora

Debug output includes:

  • Browser console logs
  • Network requests
  • Resource timing
  • Error stack traces

Getting Support

If issues persist:

  1. Collect debug logs
  2. Document reproduction steps
  3. Check system requirements
  4. Contact our support team

Need more help? Join our community forum for expert assistance.