java.lang.NoClassDefFoundError: javax/servlet/jsp/tagext/TagExtraInfo

Fri, 07 Nov 2003 04:22:10 -0800




hi pple

i have an application written using JSPs and Servlets. my next step is to use Struts and modify it.

this is my first try at struts and tied to run my first sample application from:

http://www.javaranch.com/newsletter/Mar2002/newslettermar2002.jsp#struts

am using struts 1.0.2, Tomcat 5.0.12

this is what i did:

i placed:
-- struts.jar in the C:\Tomcat_5.0\webapps\struts\WEB-INF\lib folder
-- all .tld files in the C:\Tomcat_5.0\webapps\struts\WEB-INF folder
-- servlet-api.jar and struts.jar in  C:\j2sdk1.4.2\jre\lib\ext folder

i have a LoginBean.java, LoginAction.java and LoginForm.java from the website above. i have merely compiled them and placed them along with the MessageResources.properties file in the:
C:\Tomcat_5.0\webapps\struts\WEB-INF\classes\test\struts folder.

i have placed LoginView.jsp and MainMenu.jsp in:
C:\Tomcat_5.0\webapps\struts\jsp folder.

i have followed all the instructions!!

i started Tomcat 5.0 server and when i request for:

http://127.0.0.1:8080/struts/jsp/LoginView.jsp in my browser, i get the following error message:


[error-code]

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: javax/servlet/jsp/tagext/TagExtraInfo
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:256)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


root cause

java.lang.NoClassDefFoundError: javax/servlet/jsp/tagext/TagExtraInfo
        java.lang.ClassLoader.defineClass0(Native Method)
        java.lang.ClassLoader.defineClass(ClassLoader.java:537)
        java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
        java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
        java.net.URLClassLoader.access$100(URLClassLoader.java:55)
        java.net.URLClassLoader$1.run(URLClassLoader.java:194)
        java.security.AccessController.doPrivileged(Native Method)
        java.net.URLClassLoader.findClass(URLClassLoader.java:187)
        java.lang.ClassLoader.loadClass(ClassLoader.java:289)
        java.lang.ClassLoader.loadClass(ClassLoader.java:282)
        sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
        java.lang.ClassLoader.loadClass(ClassLoader.java:235)
        
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1278)
        
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1212)
        
org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoImpl.java:455)
        
org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.java:295)
        org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:204)
        org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:460)
        org.apache.jasper.compiler.Parser.parseDirective(Parser.java:525)
        org.apache.jasper.compiler.Parser.parseElements(Parser.java:1625)
        org.apache.jasper.compiler.Parser.parse(Parser.java:173)
        org.apache.jasper.compiler.ParserController.parse(ParserController.java:247)
        org.apache.jasper.compiler.ParserController.parse(ParserController.java:149)
        org.apache.jasper.compiler.ParserController.parse(ParserController.java:135)
        org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:243)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
        org.apache.jasper.compiler.Compiler.compile(Compiler.java:437)
        org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:555)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:291)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:856)


note The full stack trace of the root cause is available in the Tomcat logs.

[/error-code]




what am i missing here?

thanks
-- $uDhA

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