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Posted to users@tomcat.apache.org by Laurent FALLET <la...@gmail.com> on 2005/12/05 12:05:00 UTC

ServletException hard to understand

Hello everybody,
I'm running a web application using JSP, Tiles, Servlets and some filters as
well.
I have the error described below when asking for some pages. Others do
function well.
And nothing found on google or archives about this error message.

Moreover what is this EDU/oswego/cs/dl/util/concurrent/Executor ? I never
used such a package.

ERROR [2005-12-02 17:57:26,375] ServletException in
'/statistics/menuStatistics.jsp': EDU/oswego/cs/dl/util/concurrent/Executor
(org.apache.struts.taglib.tiles.InsertTag (http-8080-Processor25))
javax.servlet.ServletException: EDU/oswego/cs/dl/util/concurrent/Executor
    at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(
PageContextImpl.java:825)
    at org.apache.jasper.runtime.PageContextImpl.handlePageException(
PageContextImpl.java:758)
    at org.apache.jsp.statistics.menuStatistics_jsp._jspService
(menuStatistics_jsp.java:380)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at
org.apache.jsp.layouts.statisticsLayouts_jsp._jspx_meth_tiles_insert_0
(statisticsLayouts_jsp.java:116)
    at org.apache.jsp.layouts.statisticsLayouts_jsp._jspService
(statisticsLayouts_jsp.java:68)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at
org.apache.jsp.statistics.bodyStatistics_jsp._jspx_meth_tiles_insert_0
(bodyStatistics_jsp.java:131)
    at org.apache.jsp.statistics.bodyStatistics_jsp._jspService
(bodyStatistics_jsp.java:71)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.layouts.layouts_jsp._jspx_meth_tiles_insert_1
(layouts_jsp.java:162)
    at org.apache.jsp.layouts.layouts_jsp._jspService(layouts_jsp.java:98)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.statistics.statistics_jsp._jspx_meth_tiles_insert_0
(statistics_jsp.java:107)
    at org.apache.jsp.statistics.statistics_jsp._jspService
(statistics_jsp.java:67)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:214)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardContextValve.invokeInternal(
StandardContextValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:152)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:137)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:118)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:102)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:109)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java
:160)
    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(Unknown Source)
ERROR [2005-12-02 17:57:26,406] ServletException in
'/layouts/statisticsLayouts.jsp': ServletException in
'/statistics/menuStatistics.jsp': EDU/oswego/cs/dl/util/concurrent/Executor
(org.apache.struts.taglib.tiles.InsertTag (http-8080-Processor25))
javax.servlet.ServletException: ServletException in
'/statistics/menuStatistics.jsp': EDU/oswego/cs/dl/util/concurrent/Executor
    at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(
PageContextImpl.java:825)
    at org.apache.jasper.runtime.PageContextImpl.handlePageException(
PageContextImpl.java:758)
    at org.apache.jsp.layouts.statisticsLayouts_jsp._jspService
(statisticsLayouts_jsp.java:99)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at
org.apache.jsp.statistics.bodyStatistics_jsp._jspx_meth_tiles_insert_0
(bodyStatistics_jsp.java:131)
    at org.apache.jsp.statistics.bodyStatistics_jsp._jspService
(bodyStatistics_jsp.java:71)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.layouts.layouts_jsp._jspx_meth_tiles_insert_1
(layouts_jsp.java:162)
    at org.apache.jsp.layouts.layouts_jsp._jspService(layouts_jsp.java:98)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.statistics.statistics_jsp._jspx_meth_tiles_insert_0
(statistics_jsp.java:107)
    at org.apache.jsp.statistics.statistics_jsp._jspService
(statistics_jsp.java:67)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:214)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardContextValve.invokeInternal(
StandardContextValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:152)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:137)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:118)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:102)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:109)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java
:160)
    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(Unknown Source)
ERROR [2005-12-02 17:57:26,421] ServletException in
'/statistics/bodyStatistics.jsp': ServletException in
'/layouts/statisticsLayouts.jsp': ServletException in
'/statistics/menuStatistics.jsp': EDU/oswego/cs/dl/util/concurrent/Executor
(org.apache.struts.taglib.tiles.InsertTag (http-8080-Processor25))
javax.servlet.ServletException: ServletException in
'/layouts/statisticsLayouts.jsp': ServletException in
'/statistics/menuStatistics.jsp': EDU/oswego/cs/dl/util/concurrent/Executor
    at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(
PageContextImpl.java:825)
    at org.apache.jasper.runtime.PageContextImpl.handlePageException(
PageContextImpl.java:758)
    at org.apache.jsp.statistics.bodyStatistics_jsp._jspService
(bodyStatistics_jsp.java:79)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.layouts.layouts_jsp._jspx_meth_tiles_insert_1
(layouts_jsp.java:162)
    at org.apache.jsp.layouts.layouts_jsp._jspService(layouts_jsp.java:98)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.doInclude(
ApplicationDispatcher.java:590)
    at org.apache.catalina.core.ApplicationDispatcher.include(
ApplicationDispatcher.java:510)
    at org.apache.jasper.runtime.JspRuntimeLibrary.include(
JspRuntimeLibrary.java:966)
    at org.apache.jasper.runtime.PageContextImpl.include(
PageContextImpl.java:581)
    at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java
:99)
    at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
    at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java
:756)
    at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(
InsertTag.java:888)
    at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:458)
    at org.apache.jsp.statistics.statistics_jsp._jspx_meth_tiles_insert_0
(statistics_jsp.java:107)
    at org.apache.jsp.statistics.statistics_jsp._jspService
(statistics_jsp.java:67)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:324)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
:292)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.ApplicationDispatcher.invoke(
ApplicationDispatcher.java:704)
    at org.apache.catalina.core.ApplicationDispatcher.processRequest(
ApplicationDispatcher.java:474)
    at org.apache.catalina.core.ApplicationDispatcher.doForward(
ApplicationDispatcher.java:409)
    at org.apache.catalina.core.ApplicationDispatcher.forward(
ApplicationDispatcher.java:312)
    at org.apache.struts.action.RequestProcessor.doForward(
RequestProcessor.java:1054)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(
RequestProcessor.java:386)
    at org.apache.struts.action.RequestProcessor.process(
RequestProcessor.java:229)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java
:1192)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:430)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:237)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:157)
    at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:214)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardContextValve.invokeInternal(
StandardContextValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:152)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:137)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:118)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:102)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:109)
    at org.apache.catalina.core.StandardValveContext.invokeNext(
StandardValveContext.java:104)
    at org.apache.catalina.core.StandardPipeline.invoke(
StandardPipeline.java:520)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java
:160)
    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(Unknown Source)

Thanks if you can give me a hand on that.
Laurent