NoClassDefFoundError - org.springframework.core.io.Resource
FAQ > Errors > Exceptions > NoClassDefFoundError - org.springframework.core.io.Resource
If you get an exception like this
java.lang.NoClassDefFoundError - org/springframework/core/io/Resource
Cause
You were probably trying to use the XML Configuration mechanism, which uses Spring, but without having the Spring jar on your classpath.
Solution
Add the Spring jar to your classpath.