java

Spring Security CSRF token validation failure

AccessDeniedException.*CSRF token.*invalid

Fixes

1.Include CSRF token in form submissions or AJAX headers
2.Use CookieCsrfTokenRepository.withHttpOnlyFalse() for SPA apps
3.Disable CSRF for stateless APIs: http.csrf(c -> c.disable())

spring-securitycsrf

Related Errors

Spring Boot bean not found in application context

NoSuchBeanDefinitionException.*No qualifying bean of type

•Add @Component/@Service/@Repository annotation to the class
•Ensure the package is scanned: check @ComponentScan or @SpringBootApplication basePackages

Spring circular dependency during bean creation

BeanCurrentlyInCreationException.*Requested bean is currently in creation

•Use @Lazy annotation on one of the circular dependencies
•Refactor to break the circular dependency with an event or interface

Spring Boot unsatisfied dependency injection

UnsatisfiedDependencyException.*Error creating bean with name

•Verify the required bean exists and is properly annotated
•Use @Qualifier to disambiguate when multiple beans of same type exist