A aplicação não consegue encontrar os métodos default, apresentando os seguintes erros em todas as interfaces:
Information:java: Errors occurred while compiling module 'swagger-spring'
Information:javac 11.0.5 was used to compile java sources
Information:20/01/2020 18:58 - Build completed with 4 errors and 0 warnings in 1 s 496 ms
C:\Users\Vinicius\Documents\Profissional\SwaggerAlura\spring-server\src\main\java\io\swagger\api\ClientesApi.java
Error:(41, 5) java: default methods are not supported in -source 7
(use -source 8 or higher to enable default methods)
C:\Users\Vinicius\Documents\Profissional\SwaggerAlura\spring-server\src\main\java\io\swagger\api\ContaApi.java
Error:(41, 5) java: default methods are not supported in -source 7
(use -source 8 or higher to enable default methods)
C:\Users\Vinicius\Documents\Profissional\SwaggerAlura\spring-server\src\main\java\io\swagger\api\ExtratoApi.java
Error:(42, 5) java: default methods are not supported in -source 7
(use -source 8 or higher to enable default methods)
C:\Users\Vinicius\Documents\Profissional\SwaggerAlura\spring-server\src\main\java\io\swagger\api\TransacaoApi.java
Error:(42, 5) java: default methods are not supported in -source 7
(use -source 8 or higher to enable default methods)