cannot find class symbol roles

Hi, I can not compile my java file. it looks like it cannot import org.apache.cocoon.Roles file. it also says it cannot find variable manager. thanks

cannot find class symbol roles

Hi, I can not compile my java file. it looks like it cannot import org.apache.cocoon.Roles file. package org.apache.cocoon; import org.apache.avalon.framework.parameters.Parameters; import org.apache.avalon.framework.component.ComponentManager; import org.apache.avalon.framework.component.Compo