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jsp中response.sendRedirect引发的异常之解决方法

星期三, 六月 17th, 2009 | JAVA-and-J2EE | 一条评论

前几天的一个异常让人头疼，从网上查找也不得其法，后自己一看，原来是filter引发的转向错误！
解决方法很简单：
只要把转向的注释掉，让它自己转向就可以了，其他的事情交给filter去处理就可以了，就是两面都处理引发次问题！
if(user==null){
//response.sendRedirect(request.getContextPath()+”/index.jsp”);
return;
}
异常信息如下：
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:410)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
com.i5a6.filter.ToBuildFilter.doFilter(ToBuildFilter.java:27)
root cause

java.lang.IllegalStateException
org.apache.catalina.connector.ResponseFacade.sendRedirect(ResponseFacade.java:435)
org.apache.jsp.users.payment.star_005fplus_005fwarehouse_jsp._jspService(star_005fplus_005fwarehouse_jsp.java:70)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
com.i5a6.filter.ToBuildFilter.doFilter(ToBuildFilter.java:27)

Tags: exception, java, JAVA-and-J2EE, jsp