Drools error Java.lang.RuntimeException:wrong Class format resolution

When using Drools, the rules file contains the classes in the import jar package as follows:

Import Java.util.Map;
Import Com.alibaba.fastjson.JSONObject;

Will error Java.lang.RuntimeException:wrong class format

Workaround: ORG.ECLIPSE.JDT jar package may not exist or have a low version

Can be added in the Maven Pom

<!--for Drools:wrong class format-->
<dependency>
   <groupid>org.eclipse.jdt</groupid >
   <artifactId>org.eclipse.jdt.core</artifactId>
   <version>3.13.100</version>
</dependency>

Successfully resolved
About Jdt.core version reference: Http://mvnrepository.com/artifact/org.eclipse.jdt/org.eclipse.jdt.core