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作者 询问数据库的问题
Loucal





发贴: 7
积分: 0
于 2006-02-17 09:18 user profilesend a private message to usersearch all posts byselect and copy to clipboard. 
ie only, sorry for netscape users:-)add this post to my favorite list
exception

javax.servlet.ServletException: demo/Db (Unsupported major.minor version 49.0)
  org.apache.jasper.servlet.JspServlet.service(JspServlet.java:244)
  javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

java.lang.UnsupportedClassVersionError: demo/Db (Unsupported major.minor version 49.0)
  java.lang.ClassLoader.defineClass0(Native Method)
  java.lang.ClassLoader.defineClass(ClassLoader.java:537)
  java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
  org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1634)
  org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:860)
  org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1307)
  org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)
  org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:148)
  org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:69)
  java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
  java.lang.Class.getDeclaredConstructors0(Native Method)
  java.lang.Class.privateGetDeclaredConstructors(Class.java:1610)
  java.lang.Class.getConstructor0(Class.java:1922)
  java.lang.Class.newInstance0(Class.java:278)
  java.lang.Class.newInstance(Class.java:261)
  org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:137)
  org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:307)
  org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)

我是初学的,希望老师们抽时间看看 谢谢!




作者 Re:询问数据库的问题 [Re:Loucal]
jackyangf





发贴: 58
积分: 1
于 2006-03-17 09:49 user profilesend a private message to usersearch all posts byselect and copy to clipboard. 
ie only, sorry for netscape users:-)add this post to my favorite list
顶 某个类实例化的时候出错 再多小弟也看不出来



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