You probably have multiple copies of the struts jar on you application's
class path. Make sure that struts.jar only exists in your WEB-INF/lib
directory and not elsewhere in whatever application server or servlet
container you're using. Assuming you're using Tomcat, look for copies of
struts.jar in common/lib, shared/lib, etc.
L.
Christian Dionne wrote:
Hi!
I'm using Tomcat 5.5.9 with Struts 1.2.7. I am trying to convert my
application that was working
fine with Tomcat 5.0.30. I mostly fixed everything except that now I am
getting this error.
This occurs when parsing a .jsp file that includes a struts .tld.
Any idea how to fix this? I saw a lot of similar post on the internet about
this problem
but no solution.
org.apache.jasper.JasperException: Failed to load or instantiate
TagExtraInfo class: org.apache.struts.taglib.html.MessagesTei
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:279
)
org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoIm
pl.java:422)
org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.ja
va:248)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java
:162)
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:1543)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:21
1)
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:5
56)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
93)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.ClassCastException: org.apache.struts.taglib.html.MessagesTei
org.apache.jasper.compiler.TagLibraryInfoImpl.createTagInfo(TagLibraryInfoIm
pl.java:420)
org.apache.jasper.compiler.TagLibraryInfoImpl.parseTLD(TagLibraryInfoImpl.ja
va:248)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java
:162)
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:1543)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:21
1)
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:5
56)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
93)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
Thanks!
Christian Dionne
--
Laurie Harper
Open Source advocate, Java geek: http://www.holoweb.net/laurie
Founder, Zotech Software: http://www.zotechsoftware.com/
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