500 Servlet Exception

[show] java.lang.IllegalStateException: sendError() forbidden after buffer has

been committed.

java.lang.NullPointerException

at _jsp._cms_0page._template._jsp._template410966__jsp._jspService(cms_page/template/jsp/template410966.jsp:906)

at com.caucho.jsp.JavaPage.service(JavaPage.java:61)

at com.caucho.jsp.Page.pageservice(Page.java:578)

at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:195)

at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125)

at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)

at com.sohu.cms.webapp.util.AjaxEncodingFilter.doFilter(AjaxEncodingFilter.java:29)

at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)

at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)

at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)

at com.sohu.cms.sna.filter.SNAFilter.doFilter(SNAFilter.java:86)

at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)

at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187)

at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265)

at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:273)

at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682)

at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:743)

at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:662)

at java.lang.Thread.run(Thread.java:745)

Resin/3.1.10