org.mockito.exceptions.misusing.WrongTypeOfReturnValue: NestedWhen$Product$$EnhancerByMockitoWithCGLIB$$6ecf83da cannot be returned by getBar() getBar() should return Bar *** This exception *might* occur in wrongly written multi-threaded tests. Please refer to Mockito FAQ on limitations of concurrency testing.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by ludyte, 1 year ago
NestedWhen$Product$$EnhancerByMockitoWithCGLIB$$6ecf83da cannot be returned by getBar() getBar() should return Bar *** This exception *might* occur in wrongly written multi-threaded tests. Please refer to Mockito FAQ on limitations of concurrency testing.
org.mockito.exceptions.misusing.WrongTypeOfReturnValue: NestedWhen$Product$$EnhancerByMockitoWithCGLIB$$6ecf83da cannot be returned by getBar() getBar() should return Bar *** This exception *might* occur in wrongly written multi-threaded tests. Please refer to Mockito FAQ on limitations of concurrency testing.
at undefined.NestedWhen.nestedWhenTest(NestedWhen.java:36)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.