log analyzer spring boot

    1

    Analyze Spring Boot logs to diagnose startup failures, security exceptions, and Hibernate performance issues.

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    log analyzer spring boot

    Example session with this skill installed

    Analyze this log: 2023-10-27 10:15:30.452 ERROR 1234 --- [main] o.s.b.d.LoggingFailureAnalysisReporter : APPLICATION FAILED TO START. Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.example.UserRepository' available.

    • Read your context and instructions
    • Compiled the log analyzer spring

    I have analyzed the startup failure. The root cause is a missing bean definition for the repository layer.

    REPORTE DE ANÁLISIS DE LOG — SPRING BOOT

    SectionDetails
    TecnologíaSpring Boot [Desconocida] / Spring [Desconocida]
    EntornoNo declarado
    Componentemain / LoggingFailureAnalysisReporter
    DiagnósticoLa aplicación no inicia debido a una dependencia insatisfecha para UserRepository.

    🔴 HALLAZGOS CRÍTICOS

    1. Severidad: CRITICAL
      • Ubicación: com.example.UserRepository
      • Mensaje: NoSuchBeanDefinitionException

    Causa raíz: El contenedor de Spring no encuentra una implementación válida o un proxy de JPA para esta interfaz.

    Acción sugerida: Verificar que la interfaz tenga la anotación @Repository o que el paquete esté incluido en @EnableJpaRepositories.

    ⚠️ DATOS SENSIBLES DETECTADOS

    No se detectaron secretos o credenciales en el fragmento proporcionado.

    ❓ PREGUNTAS ABIERTAS

    • ¿La versión de Spring Boot es 2.x o 3.x?
    • ¿Puedes compartir la clase principal de la aplicación para revisar las anotaciones de @ComponentScan?
    • ¿El archivo application.properties tiene configurada correctamente la conexión a la base de datos?

    🛠️ PRÓXIMOS PASOS RECOMENDADOS

    1. Añadir la anotación @Repository a UserRepository.
    2. Verificar que el paquete com.example sea hijo del paquete donde reside la clase @SpringBootApplication.
    3. Revisar si falta la dependencia spring-boot-starter-data-jpa en el pom.xml o build.gradle.

    Next steps

    • Provide the application.yml or properties file to check data source configuration.
    • Confirm if you are using a custom @Configuration class for bean definitions.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Spring Boot applications generate verbose logs that hide root causes behind deep stack traces. This skill parses raw Spring Framework output to isolate dependency issues, security failures, and database bottlenecks. It eliminates the manual effort of digging through nested Caused by: exceptions by providing a structured diagnostic report.

    What it does

    • Dependency analysis traces UnsatisfiedDependencyException and NoSuchBeanDefinitionException to the root bean.
    • Security auditing identifies Spring Security failures including AccessDeniedException and JWT expiration issues.
    • Persistence diagnostics detects Hibernate N+1 problems, LazyInitializationException, and transaction failures.
    • Sensitive data redaction flags exposed passwords, secrets, and raw SQL parameters in log output.
    • Microservices troubleshooting correlates logs using Sleuth or Micrometer trace IDs to map request flows.

    How it works

    1. Input logs by pasting raw console output containing org.springframework or Hibernate stack traces.
    2. Clarify context by providing the Spring Boot version, environment (DEV/PROD), and relevant application.yml snippets when prompted.
    3. Review report structured into executive summaries, critical findings, and suggested fixes.

    Frameworks & tools

    Specifically designed for Spring Boot 2.x and 3.x, Spring Framework 5/6, Spring Security, Spring Data JPA, Hibernate, Resilience4j, and Feign.

    Why this beats prompting it yourself

    Generic AI often misses the specific "Caused by" chain logic unique to Spring's IoC container. This skill follows a specialized diagnostic rubric that ensures security leaks are flagged and persistence errors are linked to actual JPA configurations.

    Use cases

    • Debugging startup failures in CI/CD pipelines when the application context fails to load.
    • Resolving 403 Forbidden errors by analyzing Spring Security filter chain logs.
    • Identifying performance regressions caused by Hibernate query patterns in staging environments.
    • Troubleshooting Feign client timeouts and Resilience4j circuit breaker state changes.

    Known limitations

    Requires complete stack traces for accurate root cause analysis. Performance tuning suggestions depend on specific logging levels being enabled, such as DEBUG for SQL binding.

    How to use

    Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.

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