Tools and/or techniques for locating a connection leak

I am working on a application that has been hanging periodically. A thread dump showed many, many threads that had called getConnection() were in WAIT state. So it appears that there is a connection leak.
This application is about 50% legacy code from around 2003 and 50% new code. The new code uses Spring JDBC support so I doubt that the connection leak is there because there is no explicit getting and closing of connections. The legacy code is full of strange and hard to understand logic involving connections so it is the prime suspect.
My first idea was to centralize the get and close and do some logging but the amount of work would be enormous so I'm wondering if there are tools and/or techniques that would make this job easier.
I thought YourKit might be the answer but I did not see anything about connection leaks in a cursory look at the user guide table of contents.
So, I would welcome any suggestions.
-=bill

This resource might help you
http://www.sdnshare.com/view.jsp?id=538

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Hi,
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When you see answers and helpful posts, please click Vote As Helpful, Propose As Answer, and/or Mark As Answer.
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Re:Creating new web app in Endeca tools and frame work for CRS(commerce refernce store) application that we deployed either as a part of cim.bat or manually through deployment scripts

when i am trying to access my web app that was created using eclipse fro Endeca app CRS
using localhost:8080/crs/browse?format=json
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[ERROR] com.endeca.infront.logger.SLF4JAssemblerEventLogger: cartridge error:
com.endeca.infront.assembler.CartridgeHandlerException: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:297)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:87)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:62)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.visit(AbstractAssembler.java:246)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:99)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:126)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor.process(AbstractAssembler.java:162)
at com.endeca.infront.assembler.support.AbstractAssembler.assemble(AbstractAssembler.java:93)
at org.apache.jsp.WEB_002dINF.services.myAssemble_jsp._jspService(myAssemble_jsp.java:171)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:386)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.endeca.infront.assembler.perf.PerfEventFilter.doFilter(PerfEventFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:299)
at com.endeca.infront.navigation.request.MdexRequest.execute(MdexRequest.java:60)
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:288)
... 55 more
Caused by: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.navigation.OptiBackendRequest.getContent(Unknown Source)
at com.endeca.navigation.OptiBackend.getNavigation(Unknown Source)
at com.endeca.navigation.HttpENEConnection.query(Unknown Source)
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:289)
... 57 more
2013-10-16 14:00:14,297 [ERROR] com.endeca.infront.logger.SLF4JAssemblerEventLogger: cartridge error:
com.endeca.infront.assembler.CartridgeHandlerException: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:297)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:87)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:62)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.visit(AbstractAssembler.java:246)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:99)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:126)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor.process(AbstractAssembler.java:162)
at com.endeca.infront.assembler.support.AbstractAssembler.assemble(AbstractAssembler.java:93)
at org.apache.jsp.WEB_002dINF.services.myAssemble_jsp._jspService(myAssemble_jsp.java:171)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:386)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.endeca.infront.assembler.perf.PerfEventFilter.doFilter(PerfEventFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:299)
at com.endeca.infront.navigation.request.MdexRequest.execute(MdexRequest.java:60)
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:288)
... 55 more
Caused by: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.navigation.OptiBackendRequest.getContent(Unknown Source)
at com.endeca.navigation.OptiBackend.getNavigation(Unknown Source)
at com.endeca.navigation.HttpENEConnection.query(Unknown Source)
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:289)
... 57 more
Oct 16, 2013 2:00:34 PM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet link threw exception
javax.servlet.ServletException: Expect a parameter of name '__jsonp' specifying the json callback function.
at com.endeca.infront.assembler.servlet.AbstractPreviewLinkServlet.doGet(AbstractPreviewLinkServlet.java:120)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.endeca.infront.assembler.perf.PerfEventFilter.doFilter(PerfEventFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Oct 16, 2013 2:00:34 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet default threw exception
javax.servlet.ServletException: Expect a parameter of name '__jsonp' specifying the json callback function.
at com.endeca.infront.assembler.servlet.AbstractPreviewLinkServlet.doGet(AbstractPreviewLinkServlet.java:120)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.endeca.infront.assembler.perf.PerfEventFilter.doFilter(PerfEventFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
2013-10-16 14:01:15,140 [ERROR] com.endeca.infront.logger.SLF4JAssemblerEventLogger: cartridge error:
com.endeca.infront.assembler.CartridgeHandlerException: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:297)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:87)
at com.endeca.infront.cartridge.BreadcrumbsHandler.process(BreadcrumbsHandler.java:62)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.visit(AbstractAssembler.java:246)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:99)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseList(ContentItemVisitor.java:141)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:130)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverseChildren(ContentItemVisitor.java:126)
at com.endeca.infront.assembler.support.ContentItemVisitor.traverse(ContentItemVisitor.java:94)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor$ProcessPass.traverse(AbstractAssembler.java:228)
at com.endeca.infront.assembler.support.AbstractAssembler$Processor.process(AbstractAssembler.java:162)
at com.endeca.infront.assembler.support.AbstractAssembler.assemble(AbstractAssembler.java:93)
at org.apache.jsp.WEB_002dINF.services.myAssemble_jsp._jspService(myAssemble_jsp.java:171)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:386)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.endeca.infront.assembler.perf.PerfEventFilter.doFilter(PerfEventFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: com.endeca.infront.navigation.NavigationException: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:299)
at com.endeca.infront.navigation.request.MdexRequest.execute(MdexRequest.java:60)
at com.endeca.infront.cartridge.NavigationCartridgeHandler.executeMdexRequest(NavigationCartridgeHandler.java:288)
... 55 more
Caused by: com.endeca.navigation.ENEException: HTTP Error 404 - Navigation Engine not able to process request 'http://phani:15000/graph?node=0&groupby=product.code&offset=0&nbins=0&allbins=1&autophrase=1&autophrasedwim=1&irversion=640'.
at com.endeca.navigation.OptiBackendRequest.getContent(Unknown Source)
at com.endeca.navigation.OptiBackend.getNavigation(Unknown Source)
at com.endeca.navigation.HttpENEConnection.query(Unknown Source)
at com.endeca.infront.navigation.request.support.NavigationRequest.executeQuery(NavigationRequest.java:289)
... 57 more
assembler.properties file has the following my mdex is running on port 15000 fro CRS app
workbench.app.name=CRS
workbench.host=localhost
workbench.port=8006
workbench.publishing.serverPort=8007
#If client port is set to -1, system will assign an ephemeral port automatically
workbench.publishing.clientPort=-1
# AUTHORING MODE SETTINGS
#   preview.enabled=true
#   user.state.ref=previewUserState
#   media.sources.ref=authoringMediaSources
# LIVE MODE SETTINGS
#   preview.enabled=false
#   user.state.ref=liveUserState
#   media.sources.ref=liveMediaSources
preview.enabled=true
user.state.ref=previewUserState
media.sources.ref=authoringMediaSources
mdex.host=localhost
mdex.port=15000
logserver.host=localhost
logserver.port=15010
please help me in resolving the below error

On Step 8 I found multiple product codes for the Conferencing Add-In for Outlook. Here's a list of the ones I found in the machines on my network:
{987CAEDE-EB67-4D5A-B0C0-AE0640A17B5F}
{2BB9B2F5-79E7-4220-B903-22E849100547}
{13BEAC7C-69C1-4A9E-89A3-D5F311DE2B69}
{C5586971-E3A9-432A-93B7-D1D0EF076764}
I'm sure there's others one, just be mindful that this add-in will have numerous product codes.

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