exclude @Component from @ComponentScan

Question

I have a component that I want to exclude from a @ComponentScan in a particular @Configuration:

@Component("foo") class Foo { ... } 

Otherwise, it seems to clash with some other class in my project. I don't fully understand the collision, but if I comment out the @Component annotation, things work like I want them to. But other projects that rely on this library expect this class to be managed by Spring, so I want to skip it only in my project.

I tried using @ComponentScan.Filter:

@Configuration  @EnableSpringConfigured @ComponentScan(basePackages = {"com.example"}, excludeFilters={   @ComponentScan.Filter(type=FilterType.ASSIGNABLE_TYPE, value=Foo.class)}) public class MySpringConfiguration {} 

but it doesn't appear to work. If I try using FilterType.ASSIGNABLE_TYPE, I get a strange error about being unable to load some seemingly random class:

Caused by: java.io.FileNotFoundException: class path resource [junit/framework/TestCase.class] cannot be opened because it does not exist

I also tried using type=FilterType.CUSTOM as following:

class ExcludeFooFilter implements TypeFilter {     @Override     public boolean match(MetadataReader metadataReader,             MetadataReaderFactory metadataReaderFactory) throws IOException {         return metadataReader.getClass() == Foo.class;     } }  @Configuration @EnableSpringConfigured @ComponentScan(basePackages = {"com.example"}, excludeFilters={   @ComponentScan.Filter(type=FilterType.CUSTOM, value=ExcludeFooFilter.class)}) public class MySpringConfiguration {} 

But that doesn't seem to exclude the component from the scan like I want.

How do I exclude it?

Answer 1

The configuration seem alright, except that you should use excludeFilters instead of excludes:

@Configuration @EnableSpringConfigured @ComponentScan(basePackages = {"com.example"}, excludeFilters={   @ComponentScan.Filter(type=FilterType.ASSIGNABLE_TYPE, value=Foo.class)}) public class MySpringConfiguration {}