IllegalStateException

해당 오류는 jsp 작성시 <%%> 테그 사용시 발생할 수 있습니다.

%>

위와 같이 마지막에 닫는태그 다음에 엔터나 스페이스바를 통한 공백을 제거하셔야 합니다.

getOutputStream관련 오류는 위에서 말한 IllegalStateException원인과 동일한것으로 보여집니다.

공백으로 인해 close된 outputstream이 재호출되려 하기때문에 나타나는 오류인것같습니다.

소스 전반적으로 공백관련된 부분을 검토하시기 바랍니다.






>아래의 에러메시지로 도배가됩니다.
>
>어디에서 나는 것인지 확인도 힘들구요... 어떤해결방안이 있을까요...
>
>* 고객시스템명 : SKT 매출통계
>* GAUCE 버전 : 4020
>* WAS 종류(WebLogic 등등) :  tomcat 4.x.x
>* DB 종류 : Oracle 9i
>* 문의 유형(질문/요청/참조) : 질문
>* 내용 :
>2007-04-26 15:36:15 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
>org.apache.jasper.JasperException: getOutputStream() has already been called for this response
>        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:207)
>        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
>        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
>        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
>        at com.gauce.filter.GauceFilter.doFilter(Unknown Source)
>        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
>        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
>        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
>        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
>        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
>        at java.lang.Thread.run(Thread.java:534)
>----- Root Cause -----
>java.lang.IllegalStateException: getOutputStream() has already been called for this response
>        at org.apache.coyote.tomcat4.CoyoteResponse.getWriter(CoyoteResponse.java:552)
>        at org.apache.coyote.tomcat4.CoyoteResponseFacade.getWriter(CoyoteResponseFacade.java:123)
>        at javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:102)
>        at com.gauce.filter.HttpGauceResponseWrapper.getWriter(Unknown Source)
>        at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:128)
>        at org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:121)
>        at org.apache.jasper.runtime.PageContextImpl.release(PageContextImpl.java:137)
>        at org.apache.jasper.runtime.JspFactoryImpl.internalReleasePageContext(JspFactoryImpl.java:153)
>        at org.apache.jasper.runtime.JspFactoryImpl.releasePageContext(JspFactoryImpl.java:148)
>        at org.apache.jsp.StatInfoInsert_jsp._jspService(StatInfoInsert_jsp.java:133)
>        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162)
>        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
>        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
>        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
>        at com.gauce.filter.GauceFilter.doFilter(Unknown Source)
>        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
>        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
>        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
>        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
>        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
>        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
>        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
>        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
>        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
>        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
>        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
>        at java.lang.Thread.run(Thread.java:534)
>