tomcatI启动后，进入login页报了下面的错误，请各位大侠看看是什么原因.

五月 16, 2015 10:25:31 上午 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
java.io.IOException: Error: Attempt to clear a buffer that's already been flushed
at org.apache.jasper.runtime.JspWriterImpl.clear(JspWriterImpl.java:150)
at org.apache.jsp.webmana.validateCode.image_jsp._jspService(image_jsp.java:129)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
at java.lang.Thread.run(Thread.java:745)

Attempt to clear a buffer that's already been flushed
试图去清空缓存，但是缓存已经被刷新了
在你的页面加上这个试试：
<%@ page autoFlush="true" buffer="3000kb"%>
如果不行，将你的工程代码发过来我看一下追问

刚试过了不行。ManagerFiler中报错：protected void doFilterInternal(HttpServletRequest request,HttpServletResponse response, FilterChain filterChain)throws IOException {filterChain.doFilter(request, response);}

追答

你把代码发过来，我看一下

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