The type org.springframework.context.ApplicationContextAware cannot be resolved. It is indirectly referenced from required .class files

You need to add Spring Framework's org.springframework.context-3.x.x.jar to your project's build path.

Depending on which third party library you're using it may have additional Spring dependencies and you would have to add those Spring jars too.

You'd most likely need org.springframework.core-3.x.x.jar too.

Consult your direct dependencies' documentation to find out what its dependencies are.