I have solve the problem...
I forgot to include the jstl.jar in my webapp :-)
bye
jean-charles.jabouil
le@bull.net Pour : "Tag Libraries Users List" <ta...@jakarta.apache.org>
cc :
08/09/2004 10:16 Objet : Réf. : Re: <c:if problem
Veuillez répondre à
"Tag Libraries Users
List"
my variable is set in a struts action, not in the jsp...
when i try <c:out value="${done}"/> it work fine.
your solution doesn't work
Big Chiz
<bigchiz@gmail.c Pour : Tag Libraries Users
List <ta...@jakarta.apache.org>
om> cc :
Objet : Re: <c:if problem
08/09/2004 09:52
Veuillez
répondre à "Tag
Libraries Users
List"
if you used something like this
<c:set var="done" value="true" />
you can check for its true/false via
<c:choose>
<c:when test="${!done}" >
value is false
</c:when>
<c:otherwise>
value is true
</c:otherwise>
</c:choose>
On Wed, 8 Sep 2004 09:53:34 +0200, jean-charles.jabouille@bull.net
<je...@bull.net> wrote:
> Hi,
>
> I have a problem, I try to do an "if" condition.
>
> <c:if test="${done != 'false'}">
> blablabla
> </c:if>
>
> I'm running it on tomcat 5.
> I think, that the problem is that I compare a string with a variable.
>
> thanks for your answer...
>
> this is the error trace:
>
> javax.servlet.ServletException:
> javax/servlet/jsp/jstl/core/ConditionalTagSupport
>
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:244)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
> java.security.AccessController.doPrivileged(Native Method)
> java.security.AccessController.doPrivileged(Native Method)
>
>
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
>
> org.apache.jsp.directLayout_jsp._jspService(directLayout_jsp.java:66)
>
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
>
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:298)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
> java.security.AccessController.doPrivileged(Native Method)
> java.security.AccessController.doPrivileged(Native Method)
>
>
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
>
>
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
>
>
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
>
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
>
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
> cause mère
> java.lang.NoClassDefFoundError:
> javax/servlet/jsp/jstl/core/ConditionalTagSupport
> java.lang.ClassLoader.defineClass0(Native Method)
> java.lang.ClassLoader.defineClass(ClassLoader.java:537)
>
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
>
>
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1634)
>
>
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:860)
>
>
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1307)
>
>
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)
>
> org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1316)
>
> org.apache.jasper.compiler.Parser.parseElements(Parser.java:1560)
> org.apache.jasper.compiler.Parser.parse(Parser.java:126)
>
>
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:220)
>
>
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
>
> org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
>
org.apache.jasper.compiler.Compiler.compile(Compiler.java:461)
>
org.apache.jasper.compiler.Compiler.compile(Compiler.java:442)
>
org.apache.jasper.compiler.Compiler.compile(Compiler.java:430)
>
>
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
>
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:274)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
> java.security.AccessController.doPrivileged(Native Method)
> java.security.AccessController.doPrivileged(Native Method)
>
>
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966)
>
> org.apache.jsp.directLayout_jsp._jspService(directLayout_jsp.java:66)
>
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
>
>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:298)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
>
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
> java.security.AccessController.doPrivileged(Native Method)
> java.security.AccessController.doPrivileged(Native Method)
>
>
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
>
>
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
>
>
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
>
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
>
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
> sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> java.lang.reflect.Method.invoke(Method.java:324)
>
> org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:241)
> java.security.AccessController.doPrivileged(Native Method)
> javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
>
> org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
>
>
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:157)
>
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