IllegalArgumentException: No serializer found for class...

 

Testing in Java can sometimes introduce unexpected challenges, especially when dealing with serialization and libraries like Jackson’s ObjectMapper in conjunction with Mockito for mocking dependencies. A common issue many developers encounter is the IllegalArgumentException: No serializer found for class... when they try to automate testing of methods involving object serialization. This blog post delves into solving this problem by improving the testing setup, ensuring that ObjectMapper is properly mocked, and integrating it within test cases effectively.

Read more »