Category: Java

OpenAPI: format date with specific pattern in Java

Format date with specific pattern in Java

Problem: Junit returns next error: Solution: Instead of List.of() or Array.asList() or… you have to use new ArrayList(Arrays.asList(…))...

Problem: Mapstruct mapper returns next error: Solution: Maybe there is some data that depends on other mapper, if...

Problem: When you are trying to map nested objects and you are using Mapstruct and Lombok and it...

Problem: When you are trying to use @Query and returns next error: Solution: You have to use as...

Problem: If you are launching JUnit test and returns next error: Solution: The problem is that you are...

Problem: When you are using JPA and returns next error: Solution: Just add @Transactional at class level of...

Mapping of Enums via @Mapping is removed. Please use @ValueMapping instead!

This exception may occur if matchers are combined with raw values

Problem: In Java, using JPA returns next error: Solution: check the type of the object that you are...