If you are using
make sure your spring-servlet.xml has correct
tag.
Basically, you need to include all the packages where you have used the annotation in your java code.
Also, please ensure you do not have duplication of component-scan (for a discovery of beans). If your config XML already contains the element, then any of your Controller classes that are annotated with @ComponentScan(basePackages=... needs to be stripped of the said annotation.
