报表工具添加图表是后台报错
E:\jor\designer\bin>echo off
java.lang.NoClassDefFoundError: org/jfree/util/PublicCloneable
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Sour
at java.net.URLClassLoader.defineClass(Unknown Source)
添加图表报错 是缺少了什么包吗 ?