问：
    我用的最新的ecside 2.0 beta3,发布在weblogic8.1 sp3，运行demo.jsp，导出excel时，weblogic console提示：
<2007-5-30 上午11时11分01秒 CST> <Error> <HTTP> <BEA-101017> <[ServletContext(id
=22176987,name=ectest,context-path=/ectest)] Root cause of ServletException.
javax.servlet.jsp.JspException: TableTag.doAfterBody() Problem: java.lang.ClassC
astException
        at org.ecside.core.context.ContextUtils.getResponseOutputStream(ContextU
tils.java:53)
        at org.ecside.view.XlsView.beforeBody(XlsView.java:97)
        at org.ecside.table.handler.ViewHandler.setView(ViewHandler.java:63)
        at org.ecside.core.TableModelImpl.execute(TableModelImpl.java:317)
        at org.ecside.tag.TableTag.doAfterBody(TableTag.java:189)
        at jsp_servlet.__demo._jspService(__demo.java:443)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
        at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:996)
        at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:419)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at org.ecside.filter.ECSideFilter.doExportFilter(ECSideFilter.java:258)
        at org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:145)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6458)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
        at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3661)
        at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2630)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

        at org.ecside.tag.TableTag.doAfterBody(TableTag.java:198)
        at jsp_servlet.__demo._jspService(__demo.java:443)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
        at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:996)
        at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:419)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at org.ecside.filter.ECSideFilter.doExportFilter(ECSideFilter.java:258)
        at org.ecside.filter.ECSideFilter.doFilter(ECSideFilter.java:145)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.ja
va:27)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6458)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
        at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3661)
        at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2630)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)


这是啥意思啊？

weblogic8。1版本是不是低了点？没用过随便说说