Could you post the JSP you have?
Kevin Jones
DevelopMentor
www.develop.com
> -----Original Message-----
> From: A mailing list about Java Server Pages specification and reference
> [mailto:[EMAIL PROTECTED]]On Behalf Of Carlos Latugaye
> Sent: 01 March 2000 18:19
> To: [EMAIL PROTECTED]
> Subject: Tag Library Error
>
>
> Hi,
> I'm traying to use a Tag Library, but when I call the jsp thi
> error appears.
> Someone knows what this exception means? (Unable to compile class for JSP)
> I forgot something?
>
> Error: 500
>
> Internal Servlet Error:
>
> org.apache.jasper.JasperException: Unable to compile class for JSP
> at org.apache.jasper.runtime.JspLoader.loadJSP(JspLoader.java:232)
> at
> org.apache.jasper.runtime.JspServlet$JspServletWrapper.loadIfNeces
> sary(JspSe
> rvlet.java:137)
> at
> org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(Jsp
> Servlet.ja
> va:148)
> at
> org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:247)
> at
> org.apache.jasper.runtime.JspServlet.service(JspServlet.java:352)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
> at
> org.apache.tomcat.core.ServiceInvocationHandler.method(ServletWrap
> per.java:6
> 26)
> at
> org.apache.tomcat.core.ServletWrapper.handleInvocation(ServletWrap
> per.java:5
> 34)
> at
> org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper
> .java:378)
> at org.apache.tomcat.core.Context.handleRequest(Context.java:644)
> at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:440)
> at
> org.apache.tomcat.service.http.HttpConnectionHandler.processConnec
> tion(HttpC
> onnectionHandler.java:144)
> at
> org.apache.tomcat.service.TcpConnectionThread.run(TcpEndpoint.java:304)
> at java.lang.Thread.run(Thread.java:492)
>
> Root cause:
>
> java.lang.NullPointerException
> at java.text.MessageFormat.format(MessageFormat.java:661)
> at java.text.MessageFormat.format(MessageFormat.java:453)
> at java.text.Format.format(Format.java:115)
> at org.apache.jasper.Constants.getString(Constants.java:213)
> at
> org.apache.jasper.compiler.JspParseEventListener.handleDirective(J
> spParseEve
> ntListener.java:655)
> at
> org.apache.jasper.compiler.DelegatingListener.handleDirective(Dele
> gatingList
> ener.java:110)
> at
> org.apache.jasper.compiler.Parser$Directive.accept(Parser.java:188)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:984)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:959)
> at org.apache.jasper.compiler.Parser.parse(Parser.java:955)
> at org.apache.jasper.compiler.Compiler.compile(Compiler.java:140)
> at org.apache.jasper.runtime.JspLoader.loadJSP(JspLoader.java:226)
> at
> org.apache.jasper.runtime.JspServlet$JspServletWrapper.loadIfNeces
> sary(JspSe
> rvlet.java:137)
> at
> org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(Jsp
> Servlet.ja
> va:148)
> at
> org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:247)
> at
> org.apache.jasper.runtime.JspServlet.service(JspServlet.java:352)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
> at
> org.apache.tomcat.core.ServiceInvocationHandler.method(ServletWrap
> per.java:6
> 26)
> at
> org.apache.tomcat.core.ServletWrapper.handleInvocation(ServletWrap
> per.java:5
> 34)
> at
> org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper
> .java:378)
> at org.apache.tomcat.core.Context.handleRequest(Context.java:644)
> at
> org.apache.tomcat.core.ContextManager.service(ContextManager.java:440)
> at
> org.apache.tomcat.service.http.HttpConnectionHandler.processConnec
> tion(HttpC
> onnectionHandler.java:144)
> at
> org.apache.tomcat.service.TcpConnectionThread.run(TcpEndpoint.java:304)
> at java.lang.Thread.run(Thread.java:492)
>
> I'm using Tomcat 3.0 under WinNT 4 (sp6) with ibm jdk1.1.8
> TIA,
>
> Carlos
>
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> JSP-INTEREST".
> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
===========================================================================
To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff JSP-INTEREST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
