Question

jsp页面跳转错误

一个系统的其中一个页面跳转的时候出现这样的代码错误 请问是什么问题呢？求高手搭救

type Exception report

message

description The server encountered an internal error () that
prevented it from fulfilling this request.

exception
org.apache.jasper.JasperException: java.lang.StringIndexOutOfBoundsException: String index out of range: 3
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:541)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause
java.lang.StringIndexOutOfBoundsException: String index out of range: 3
java.lang.String.charAt(String.java:687)
org.apache.jsp.jiaofei_jsp._jspService(jiaofei_jsp.java:131)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

note The full stack trace of the root cause is available in the
Apache Tomcat/6.0.13 logs.

Answer 1

这是由于编码问题，在第二个页面开始添加一句<%request.setCharacterEncoding("UTF-8"); %>
当然也可以设置成中文编码~

追问

不行呢 还是这个问题