告诉 Webapp 类加载器更喜欢您的 WAR 提供的 JAR.

Tell the Webapp classloader to prefer JARs provided by your WAR.

添加您的 WEB-INF/sun-web.xml(或 WEB-INF/glassfish-web.xml):

Add in your WEB-INF/sun-web.xml (or WEB-INF/glassfish-web.xml):

...
<class-loader delegate="false"/>
...

参见 http://jersey.java.net/nonav/documentation/latest/glassfish.html#d4e1927