代码生成器报错

vongola-gemini

xp系统  点击生成 报错
Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError
    at org.jeecgframework.codegenerate.database.JeecgReadTable.checkTableExist(JeecgReadTable.java:420)
    at org.jeecgframework.codegenerate.window.CodeWindow$1.actionPerformed(CodeWindow.java:208)

Caused by: java.util.MissingResourceException: Can't find resource for bundle java.util.PropertyResourceBundle, key url

有知道解决方法的人吗？