java

PostgreSQL serialization failure in JPA

JpaSystemException.*could not serialize access due to concurrent update

Fixes

1.Implement retry logic for serialization failures
2.Use READ_COMMITTED isolation level if strict serializability isn't needed
3.Reduce transaction duration to minimize conflict window

jpaconcurrencypostgresql

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