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Old September 13th, 2006, 10:55 PM
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Default java.lang.IllegalStateException: getWriter()

Hi there,
Plz help me to resolve the following exception..

java.lang.IllegalStateException: getWriter() has already been called for this response
    at org.apache.coyote.tomcat4.CoyoteResponse.getOutput Stream(CoyoteResponse.java:572)
    at org.apache.coyote.tomcat4.CoyoteResponseFacade.get OutputStream(CoyoteResponseFacade.java:156)
    at com.arrow.dpa.controller.ExcelDownload.downloadFil e(ExcelDownload.java:91)
    at com.arrow.dpa.controller.ExcelDownload.downloadFil e(ExcelDownload.java:55)
    at org.apache.jsp.Purchase_ExcelDownload_jsp._jspServ ice(Purchase_ExcelDownload_jsp.java:301)
    at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:137)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:809)
    at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:210)
    at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:295)
    at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:241)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:809)

Old February 7th, 2007, 01:58 AM
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I think you have already called getOutputStream method on the response object.

You cant call both the methods on same response object
Anyhow you can call the same methods any number of times
i mean u can call getWriter method any number times but not the both

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