Troubleshooting

Common Issues

Installation Issues

Issue: Dependencies fail to install

Symptoms:

{{ERROR_MESSAGE}}

Solution:

{{SOLUTION_COMMANDS}}

Issue: Environment configuration errors

Symptoms: {{SYMPTOMS}}

Solution: {{SOLUTION}}

Runtime Issues

Issue: Application won't start

Checklist: - [ ] Environment variables set - [ ] Database accessible - [ ] Port not in use - [ ] Dependencies installed

Debug:

{{DEBUG_COMMANDS}}

Issue: API requests failing

Check: 1. Network connectivity 2. Authentication tokens 3. API endpoint URL 4. Request format

Database Issues

Issue: Migration failures

Solution:

# Check migration status
{{CHECK_MIGRATION_COMMAND}}

# Rollback and retry
{{ROLLBACK_COMMAND}}
{{MIGRATE_COMMAND}}

Issue: Connection errors

Common causes: - Incorrect credentials - Database not running - Network issues - Connection pool exhausted

Performance Issues

Issue: Slow response times

Diagnosis:

{{PROFILING_COMMAND}}

Common fixes: - Add database indexes - Enable caching - Optimize queries - Scale resources

Build Issues

Issue: Build fails

Check:

# Clear cache
{{CLEAR_CACHE_COMMAND}}

# Rebuild
{{BUILD_COMMAND}}

Debugging Tools

Logs

# Application logs
{{APP_LOGS_COMMAND}}

# System logs
{{SYSTEM_LOGS_COMMAND}}

# Follow logs
{{TAIL_LOGS_COMMAND}}

Health Checks

# Check health endpoint
curl {{HEALTH_ENDPOINT}}

# Check dependencies
{{CHECK_DEPS_COMMAND}}

Database Debugging

# Connect to database
{{DB_CONNECT_COMMAND}}

# Check connections
{{DB_CONNECTIONS_COMMAND}}

# Query performance
{{DB_EXPLAIN_COMMAND}}

Getting Help

Before Asking

Check this troubleshooting guide
Search existing issues
Review logs for errors
Try minimal reproduction

Creating an Issue

Include: - Environment details - Steps to reproduce - Expected vs actual behavior - Error messages - Logs (sanitized)