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Java Forum / General / November 2007JSTL config question
Hi- I'm using 5.0.28 Tomcat with JSTL 1.1, and am having problems rendering the variables. I have declared: <%@taglib prefix="c" uri="http://java.sun.com/jsp/ jstl/core" %> in the JSP. I have added the c.tld to WEB-INF/tld, as well as standard.jar and jstl.jar to WEB-INF/lib. I did not declare the tag lib in web.xml. For this bit of code: <%-- Save data with html tags --%> <c:set var="msg" value="hi <b>John</b>!" scope="page" /> <%-- Show the value after translating special characters --%> <c:out value='${msg}' /> An exception is not thrown in Tomcat, it merely outputs: ${msg} Has anyone had experience using JSTL 1.1 on Tomcat 5.0.28? In the notes it the version it was successfully tested on was 5.0.3-so I'm wondering if it's a version issue, if there is something else fundamental going on. Unfortunately the Tomcat version can't be changed-otherwise I would upgrade. :-/ Thanks for any help! > Hi- > [quoted text clipped - 27 lines] > > Thanks for any help! c:out is working fine, however, looks like EL is turned off for the web-app. Add this to the page: <%@ page isELIgnored="false" %> and you should be good to go. -cheers, Manish > c:out is working fine, however, looks like EL is turned off for the > web-app. > > Add this to the page: > > <%@ page isELIgnored="false" %> and you should be good to go. I put the OP's two lines (c:set and c:out) into a JSF page here and they worked just fine. Alas, I'm using Tomcat 6.0.14. I did not set <%@ page isELIgnored="false" %> but it still worked. Nor did I declare any TLD. Could there be something in the web.xml turning it off?  SignatureLew > > c:out is working fine, however, looks like EL is turned off for the > > web-app. [quoted text clipped - 13 lines] > -- > Lew This has always confused me - even though the Spec says that in JSP 2.0 EL is turned "on" by default (isElIgnored="false"), I never got my EL expressions to work under Tomcat 5.0/5.5 unless I added the isElIgnored=true in the @page directive. To turn it on/off at the application level, here is the web.xml fragment : <jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <el-ignored>false</el-ignored> </jsp-property-group> </jsp-config> -cheers, Manish > unless I added the > isElIgnored=true in the @page directive. Sorry - I meant isELIgnored=false in the @page directive. Eventually I ended up setting it at web.xml level, as I was tired to put this in every JSP :) -cheers, Manish > ... isELIgnored=false in the @page directive. Eventually I > ended up setting it at web.xml level, as I was tired to put this in > every JSP :) From the Java EE tutorial: > The default value of isELIgnored varies depending on the > version of the web application deployment descriptor. [quoted text clipped - 4 lines] > Servlet 2.3 or before is to ignore EL expressions; > this provides backward compatibility. <http://java.sun.com/javaee/5/docs/tutorial/doc/bnahq.html#bnaic> This might be the source of the difficulty. SignatureLew >> The default value of isELIgnored varies depending on the version of >> the web application deployment descriptor. The default mode for JSP [quoted text clipped - 6 lines] > > This might be the source of the difficulty. FWIW, I did not know this until the question was asked. Knowing that Sun has a Java EE tutorial I went there for the answer. Not finding it right away, I went to my fave search engine, which pointed me to the correct place in the tutorial. In other words, I did exactly what the OP could've done. SignatureLew > From the Java EE tutorial: > [quoted text clipped - 13 lines] > -- > Lew Ah! That explains it. Thanks, Lew! -cheers, Manish Thanks everyone for your thoughts, unfortunately, neither of those options worked, leading me to wonder if it is a 1.0 vs 1.1 JSTL. I'll try switching it out and testing it. Tobi > Thanks everyone for your thoughts, unfortunately, neither of those > options worked, leading me to wonder if it is a 1.0 vs 1.1 JSTL. I'll > try switching it out and testing it. > > Tobi Generally, its a good idea to leave in the context of the post you're replying too. Someone like who didn't read the original posts wouldn't be able to easily help you further. SignatureDaniel Pitts' Tech Blog: <http://virtualinfinity.net/wordpress/> >> Thanks everyone for your thoughts, unfortunately, neither of those >> options worked, leading me to wonder if it is a 1.0 vs 1.1 JSTL. I'll [quoted text clipped - 5 lines] > replying too. Someone like who didn't read the original posts wouldn't > be able to easily help you further. I'm curious as to the results of the OP's test on the JSTL version. It shouldn't matter, I'd think. SignatureLew Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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