IE6.0对文件输出流报错 严重: Servlet.service() for servlet default threw exception

最近遇到一个bug，做一个信息导出excel的操作，在IE8，ff下都很正常，但是在Ie6下面点击导出就报错，日下错误：

2012-2-6 15:47:50 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet default threw exception
java.lang.IllegalStateException
?at org.apache.catalina.connector.ResponseFacade.sendError(ResponseFacade.java:407)
?at org.apache.struts2.dispatcher.Dispatcher.sendError(Dispatcher.java:752)
?at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:505)
?at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
?at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
?at cn.com.qytx.filter.SessionFilter.doFilter(SessionFilter.java:49)
?at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
?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:127)
?at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
?at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
?at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
?at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861)
?at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
?at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584)
?at java.lang.Thread.run(Thread.java:619)

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页面上的导出按钮是一个超链接：

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?<a href="javascript:void(0)" iconCls="icon-redo">导出</a>

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最后想到可能是IE6对javascript:void(0);的支持问题，最后修改为#后不再报错！

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我的异常网推荐解决方案：Servlet.service() for servlet default threw exception,http://www.myexception.cn/eclipse/181756.html