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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 37320] New: - Failing to resolve a (previously resolved) tag during page compilation
Date Tue, 01 Nov 2005 15:27:07 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37320

           Summary: Failing to resolve a (previously resolved) tag during
                    page compilation
           Product: Tomcat 5
           Version: 5.5.12
          Platform: PC
        OS/Version: Windows 2000
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Jasper
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: andrew@acooke.org


I have a JSP page that compiles fine when the contents have the form:

<%@ include file="/WEB-INF/jsp/include/headers.jsp" %>
<%@ page import="..." %>
<input type="hidden" name="show" value="contacts"/>
<collab:block>
  <collab:titlemain key="member-contacts"/>
  <collab:body>
    <spring:nestedPath path="command.contacts">
    <%--
      <spring:nestedPath path="names">
      </spring:nestedPath>
    --%>
...

However, when the second nestedPath is present (comments above removed) I see
the error:

org.apache.jasper.JasperException: Unable to compile class for JSP

Generated servlet error:
_jspx_nestedPath_1 cannot be resolved

Generated servlet error:
_jspx_nestedPath_1 cannot be resolved


	at
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
	at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
	at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:409)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:563)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:293)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
	at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
	at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
	at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
	at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:604)
	at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:99)
	at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
...

I realise that this is a very common error, generally caused by
mis-configuration.  But in this case the failure is triggered by a repeated
reference to a tag that was resolved just a line earlier.  So it is difficult to
see how incorrect configuration can be the explanation.

Currently I do not have a simple version of this problem - it is part of a
project that is under development.  I can ftp the entire Eclipse project
somewhere if that is of any help.

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