java

Spring Security OAuth2 invalid token

OAuth2AuthenticationException.*invalid_token

Fixes

1.Verify token hasn't expired and issuer matches configuration
2.Check spring.security.oauth2.resourceserver.jwt.issuer-uri is correct
3.Ensure JWKS endpoint is accessible from the application

spring-securityoauth2

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