Kevin A. Burton wrote:

Whats up with this?

java.lang.ClassCastException
org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoImpl.java:420)


org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:248)



If I reduce my webapp down to just this:

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"; %>


Then I get:


org.apache.jasper.JasperException: Unable to read TLD "META-INF/c.tld" from JAR file "file:/usr/local/jakarta-tomcat-5.5.4/webapps/rojo/ROOT/WEB-INF/lib/standard.jar": org.apache.jasper.JasperException: Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:50)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:179)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:181)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:418)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:483)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1539)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:211)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:146)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:296)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

But the standard.jar I'm using is the SAME one from Tomcat 5.5 and even the md5sum is the same (so its not corrupt).


The insane parse is that everytime I reload the page I get a diff error (FUN!)

java.lang.ClassNotFoundException: org.apache.jsp.pagelet.taglibs_jsp
        java.net.URLClassLoader$1.run(URLClassLoader.java:199)
        java.security.AccessController.doPrivileged(Native Method)
        java.net.URLClassLoader.findClass(URLClassLoader.java:187)
        org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:156)
        org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:69)
        
org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:589)
        
org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:137)
        
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

BTW. Throughout this ENTIRE process Tomcat has been swallowing the real error. Not very professional :-/ Makes me wonder what other fun little secrets Tomcat has in store for me in the future.

Kevin

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