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Troubleshooting Guide​

  • Login Issues: Check realm configuration and user credentials

  • Token Validation Errors: Verify client configuration and token format

  • Performance Issues: Monitor database connections and JVM memory

  • SSL/TLS Issues: Validate certificate configuration

Log Analysis​

bash

# Search for authentication failures
grep "Authentication failed" keycloak/logs/keycloak.log
# Monitor session activities
grep "SESSION" keycloak/logs/keycloak.log

Common Issues​

  • Database connection failures

  • Memory leaks in long-running sessions

  • CORS configuration problems

  • Token expiration issues