Troubleshooting
This guide covers common issues and their solutions.
Service Issues
Section titled “Service Issues”Service Won’t Start
Section titled “Service Won’t Start”- Check Ports: Verify ports are available
- Check Logs: Review service logs for errors
- Check Dependencies: Ensure databases and Kafka are running
- Check Environment: Verify environment variables
Service Crashes
Section titled “Service Crashes”- Check Logs: Review crash logs
- Check Resources: Verify memory/CPU limits
- Check Dependencies: Verify external service connectivity
Database Issues
Section titled “Database Issues”Connection Errors
Section titled “Connection Errors”- Check Database: Verify database is running
- Check Credentials: Verify connection credentials
- Check Network: Verify network connectivity
Performance Issues
Section titled “Performance Issues”- Check Queries: Review slow query logs
- Check Indexes: Verify indexes exist
- Check Connections: Monitor connection pool
Kafka Issues
Section titled “Kafka Issues”Consumer Lag
Section titled “Consumer Lag”- Check Consumers: Verify consumers are running
- Check Processing: Review message processing speed
- Scale Consumers: Add more consumer instances
Message Loss
Section titled “Message Loss”- Check Offsets: Verify offset commits
- Check Retention: Verify topic retention
- Check Replication: Verify replication factor
Network Issues
Section titled “Network Issues”Connection Timeouts
Section titled “Connection Timeouts”- Check Services: Verify services are running
- Check Firewall: Verify firewall rules
- Check DNS: Verify DNS resolution