错误信息： 

Project build error: Non-resolvable parent POM for com.jfinalshop:jfinalshop-4.0-web:[unknown-version]: Could not find artifact 

 com.jfinalshop:jfinalshop-4.0:pom:1.0-SNAPSHOT and 'parent.relativePath' points at wrong local POM

这应该怎么解决  是缺少这个父工程还是缺少这个jar包？  

求助。