Common causes and solutions for pipeline failures
404 Not Found Errors
Pipeline returns 404 error when sending heartbeat
requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://api.ansrstudio.com/heartbeat
Response body: {"detail":"Pipeline Does Not Exist"}
- • The pipeline has been deleted from the dashboard
- • The pipeline ID in your script is incorrect
- • The API endpoint URL is malformed
- • Verify the pipeline exists in your dashboard
- • Check that you're using the correct pipeline ID
Authentication Errors
Pipeline fails with 401 or 403 errors
- • Check API key validity and permissions
- • Verify endpoint URLs are correct
- • Ensure proper headers are included
Timeout Errors
Pipeline exceeds maximum execution time
- • Increase timeout limit in pipeline settings
- • Optimize script performance
- • Check for infinite loops or blocking operations
Data Format Errors
Invalid or unexpected data format
- • Validate input data structure
- • Check API response format changes
- • Add error handling for malformed data
Optimize pipeline performance and reliability
Slow Execution
- • Review database query performance
- • Implement caching where appropriate
- • Optimize API calls and reduce requests
- • Consider parallel processing for large datasets
Memory Issues
- • Process data in smaller chunks
- • Clear variables and close connections
- • Monitor memory usage patterns
- • Consider upgrading to Pro plan for higher limits
Fix problems with alerts and notifications
Missing Slack Notifications
- • Verify Slack integration is connected
- • Check if SEER bot is added to the channel
- • Confirm notification settings are enabled
- • Test with a manual notification
Email Delivery Issues
- • Check spam/junk folders
- • Verify email address is correct
- • Ensure email notifications are enabled
- • Contact support if emails are blocked
Step-by-step troubleshooting process
- Check Pipeline Logs
Review execution logs for error messages and stack traces
- Verify Configuration
Ensure all settings, URLs, and credentials are correct
- Test Manually
Run the pipeline manually to isolate the issue
- Check Dependencies
Verify external services and APIs are operational
- Review Recent Changes
Check if recent updates caused the issue