DO NOT REPLY [Bug 7904] New: - Tag Pool Manager - ClassCastException

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7904

Tag Pool Manager - ClassCastException

           Summary: Tag Pool Manager - ClassCastException
           Product: Tomcat 3
           Version: 3.3 Final
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Critical
          Priority: Other
         Component: Jasper
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


If you put <TagPoolManagerInterceptor/> tag in server.xml
to use custom tag pooling.
Sometimes(!!!) you get the following error message,
but mostly it works fine...

((Following is error message and the latter part of it has the generated jsp 
java code which causes Exception ...))

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
javax.servlet.ServletException: com.summus.hbuilder.util.taglib.LogoTag
        at org.apache.jasper.runtime.PageContextImpl.handlePageException
(Unknown Source)
        at user.maple.template.Top_1._jspService(Top_1.java:116)
        at org.apache.jasper.runtime.HttpJspBase.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java)
        at org.apache.tomcat.facade.ServletHandler.doService(Unknown Source)
        at org.apache.tomcat.core.Handler.invoke(Unknown Source)
        at org.apache.tomcat.core.Handler.service(Unknown Source)
        at org.apache.tomcat.facade.ServletHandler.service(Unknown Source)
        at org.apache.tomcat.facade.RequestDispatcherImpl.doInclude(Unknown 
Source)
        at org.apache.tomcat.facade.RequestDispatcherImpl.include(Unknown 
Source)
        at org.apache.jasper.runtime.PageContextImpl.include(Unknown Source)
        at user.maple.template.link.Links_4._jspService(Links_4.java:171)
        at org.apache.jasper.runtime.HttpJspBase.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java)
        at org.apache.tomcat.facade.ServletHandler.doService(Unknown Source)
        at org.apache.tomcat.core.Handler.invoke(Unknown Source)
        at org.apache.tomcat.core.Handler.service(Unknown Source)
        at org.apache.tomcat.facade.ServletHandler.service(Unknown Source)
        at org.apache.tomcat.core.ContextManager.internalService(Unknown 
Source)
        at org.apache.tomcat.core.ContextManager.service(Unknown Source)
        at 
org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Unknown 
Source)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Root cause:
java.lang.ClassCastException: com.summus.hbuilder.util.taglib.LogoTag
        at user.maple.template.Top_1._jspService(Top_1.java:76)
        at org.apache.jasper.runtime.HttpJspBase.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java)
        at org.apache.tomcat.facade.ServletHandler.doService(Unknown Source)
        at org.apache.tomcat.core.Handler.invoke(Unknown Source)
        at org.apache.tomcat.core.Handler.service(Unknown Source)
        at org.apache.tomcat.facade.ServletHandler.service(Unknown Source)
        at org.apache.tomcat.facade.RequestDispatcherImpl.doInclude(Unknown 
Source)
        at org.apache.tomcat.facade.RequestDispatcherImpl.include(Unknown 
Source)
        at org.apache.jasper.runtime.PageContextImpl.include(Unknown Source)
        at user.maple.template.link.Links_4._jspService(Links_4.java:171)
        at org.apache.jasper.runtime.HttpJspBase.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java)
        at org.apache.tomcat.facade.ServletHandler.doService(Unknown Source)
        at org.apache.tomcat.core.Handler.invoke(Unknown Source)
        at org.apache.tomcat.core.Handler.service(Unknown Source)
        at org.apache.tomcat.facade.ServletHandler.service(Unknown Source)
        at org.apache.tomcat.core.ContextManager.internalService(Unknown 
Source)
        at org.apache.tomcat.core.ContextManager.service(Unknown Source)
        at 
org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Unknown 
Source)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(Unknown Source)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


The 76th line of the generated jsp java code(Top_1.java) is
                            if 
(_jspx_tagPool__WEB_INF_tlds_hbuildersetupTagLib_tld_logo != null) {
                              _jspx_th_hbuilder_logo_0 = 
(com.summus.hbuilder.util.taglib.LogoTag) 
_jspx_tagPool__WEB_INF_tlds_hbuildersetupTagLib_tld_logo.getHandler();

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