servlet错误总结 - Java & Assembly

今天把以前的一个管理系统重新拿出来运行的时候，
在登陆页面时调用的验证码出现了以下错误。

ERROR - Servlet.service() for servlet jsp threw exception
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java.lang.IllegalStateException: getOutputStream() has already been called for this response
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at org.apache.catalina.connector.Response.getWriter(Response.java:599)
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at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:195)
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at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:124)
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at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:117)
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at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:191)
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at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:115)
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at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:75)
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at org.apache.jsp.main.image_jsp._jspService(image_jsp.java:124)
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at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
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at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
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at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
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at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
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at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
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at hxz.filter.SetEncodingFilter.doFilter(SetEncodingFilter.java:20)
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at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
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at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
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at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
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at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
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at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
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at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
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at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
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at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
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at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
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at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
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at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
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at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
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at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
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at java.lang.Thread.run(Thread.java:595)
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后来发现，原来是Tomcat的版本有问题，但出现了错误，还是会同样运行！
把你的版本找到5.0以上就行！

posted on 2008-04-03 21:50 EricWong 阅读(1279) 评论(0) 编辑收藏所属分类: J2EE

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