Troubleshooting Guide

This guide provides solutions to common issues encountered when working with the LUStores System.

Installation Issues

Database Connection Problems

Problem: Cannot connect to database during installation

Solutions:

  1. Verify database server is running

  2. Check connection credentials in configuration

  3. Ensure database user has proper permissions

  4. Test network connectivity to database server

Problem: Database initialization fails

Solutions:

  1. Check database user permissions

  2. Verify schema.sql file exists and is readable

  3. Review database logs for specific errors

  4. Ensure database version compatibility

Node.js and Dependencies

Problem: npm install fails with permission errors

Solutions:

  1. Use node version manager (nvm) instead of system Node.js

  2. Configure npm to use different directory for global packages

  3. Run with appropriate user permissions

  4. Clear npm cache: npm cache clean --force

Problem: Module not found errors

Solutions:

  1. Delete node_modules and package-lock.json, then reinstall

  2. Check for version conflicts in package.json

  3. Ensure all dependencies are properly listed

  4. Update Node.js to supported version

Runtime Issues

Server Startup Problems

Problem: Server fails to start

Solutions:

  1. Check port availability (default: 3000)

  2. Verify environment variables are set

  3. Review server logs for specific errors

  4. Ensure all required services are running

Problem: Authentication failures

Solutions:

  1. Verify SSO configuration settings

  2. Check network connectivity to authentication provider

  3. Review authentication logs

  4. Validate certificates and keys

Performance Issues

Problem: Slow response times

Solutions:

  1. Check database query performance

  2. Review server resource usage (CPU, memory)

  3. Optimize database indexes

  4. Consider connection pooling configuration

Problem: High memory usage

Solutions:

  1. Monitor memory leaks in application code

  2. Adjust Node.js memory limits

  3. Review database connection pooling

  4. Implement proper cleanup of resources

Testing Issues

Test Failures

Problem: Tests failing during CI/CD

Solutions:

  1. Ensure test database is properly initialized

  2. Check test environment configuration

  3. Review test dependencies and versions

  4. Verify test data setup and cleanup

Problem: Coverage reports not generated

Solutions:

  1. Check Jest configuration for coverage settings

  2. Ensure all test files are included in coverage

  3. Verify output directory permissions

  4. Review test script configuration

Development Issues

Build Problems

Problem: TypeScript compilation errors

Solutions:

  1. Update TypeScript configuration (tsconfig.json)

  2. Check for type definition conflicts

  3. Ensure all dependencies have proper types

  4. Review import/export statements

Problem: Client build failures

Solutions:

  1. Check Vite configuration

  2. Verify all client dependencies are installed

  3. Review component import paths

  4. Ensure environment variables are available

Getting Help

When seeking help, please provide:

  1. System Information: - Operating system and version - Node.js version - Database version - Browser version (for client issues)

  2. Error Details: - Complete error messages - Relevant log entries - Steps to reproduce the issue - Expected vs actual behavior

  3. Environment Details: - Development, staging, or production - Configuration settings (without sensitive data) - Recent changes or updates

  4. Testing Information: - Test results and coverage reports - System management API status - Performance metrics

Contact Support

For additional assistance:

  • Review the main documentation

  • Check the testing guide for system status

  • Use the System Management API for diagnostics

  • Contact the development team with detailed information

Note

The System Management API provides comprehensive system status and testing capabilities that can help diagnose many issues automatically.