JSTL tags not recognized

💡

Our Forums Have Moved

For help with installation, bugs reports or feature requests, please head over to our new forums.
Genuitec Community on GitHub

MyEclipse IDE

Java EE Development (EJB, JSP, Struts, XDoclet, etc.)

This topic has 5 replies, 3 voices, and was last updated 17 years, 9 months ago by Riyad Kalla.

Viewing 6 posts - 1 through 6 (of 6 total)

Author

Posts
November 12, 2007 at 10:58 am #278409 Reply
ernestz
Member
I am using ME 6.0.1 and testing facelets support, utilizing .XHTML files and have included a reference to the JSTL tag library.

I’m using the MyEclipse Visual JSF Designer and if I enter <c: and hit the CTRL-SPACE, the autocompletion prompts for “catch”, “forEach”, “if” and “set”, nothing else. If I enter <c:choose>, <c:when>, and <c:otherwise>, the tags are marked as an error “Unknown element”, but the pages deploy and render correctly.

These tags are available in the Palette (JSTL Core), but these tags are still not recognized. Is there something else I have to do to get this autocompletion to work, or at least, not flagged as an error?

Installation details:
```
*** Date: 
Monday, November 12, 2007 10:48:26 AM CST

** System properties:
OS=WindowsXP
OS version=5.1
Java version=1.5.0_11


*** MyEclipse details:
MyEclipse Enterprise Workbench
Version: 6.0.1 GA
Build id: 6.0.1-GA-200710


*** Eclipse details:
MyEclipse Enterprise Workbench

Version: 6.0.1 GA
Build id: 6.0.1-GA-200710




Eclipse Graphical Editing Framework

Version: 3.3.1.v20070814
Build id: 20070814-1555


Eclipse Platform

Version: 3.3.1.R33x_r20070911-_19UEkpF-B7Uh2hKy75y
Build id: M20070921-1145


Eclipse RCP

Version: 3.3.1.R33x_r20070802-8y8eE8sEV3Fz0z0GlHJrXvTAUS
Build id: M20070921-1145


Eclipse Java Development Tools

Version: 3.3.1.r331_v20070629-7o7jE72EDlXAbqAcnbmyg1rf8RIL
Build id: M20070921-1145


Eclipse Plug-in Development Environment

Version: 3.3.1.R33x_r20070802-7N7M3D1VIA_52JsDFsEC
Build id: M20070921-1145


Eclipse Project SDK

Version: 3.3.1.R33x_r20070802-7M7J78_mu1mnlRa7A4Ns52XeZ6D0
Build id: M20070921-1145




Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
C:\Program Files\MyEclipse 6.0\eclipse\eclipse.exe
-name
Eclipse
--launcher.library
C:\Program Files\MyEclipse 6.0\eclipse\plugins\org.eclipse.equinox.launcher.win32.win32.x86_1.0.1.R33x_v20070828\eclipse_1020.dll
-startup
C:\Program Files\MyEclipse 6.0\eclipse\plugins\org.eclipse.equinox.launcher_1.0.1.R33x_v20070828.jar
-vm
C:\usr\jre1.5.0\bin\client\jvm.dll
```
November 13, 2007 at 8:15 am #278468
Loyal Water
Member
When you created your project, did you add JSTL support to it on the first page of wizard ?

Add this at the top of your page :-
```
<%@ taglib uri="/WEB-INF/c.tld" prefix="c" %>
```
Let me know if the problem persists.
November 13, 2007 at 1:54 pm #278507
ernestz
Member
Yes, JSTL and ICEfaces Facelets support was added when the project was created.

I am using .XHTML files for Facelets support, so the taglib directive is not valid. I do have the following at the start of the .XHTML pages:
```
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:c="http://java.sun.com/jstl/core"
    xmlns:f="http://java.sun.com/jsf/core" xml:lang="en" lang="en">
```
If I enter “<c:” and hit CTRL-SPACE, a popup appears with only a subset of the core tags, and <c:choose>, <c:when>, <c:otherwise> are not among those tags. If I expand the Palette control, I do see these tags there. But, whether I manually enter these tags, or select from the Palette, the Visual JSF designer flags those as errors.
November 15, 2007 at 3:02 am #278604
Loyal Water
Member
You need to add xmlns:x=”http://java.sun.com/jstl/xml”
```
<html xmlns="http://www.w3.org/1999/xhtml"
    xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:c="http://java.sun.com/jstl/core"
    xmlns:x="http://java.sun.com/jstl/xml"
    xmlns:f="http://java.sun.com/jsf/core" xml:lang="en" lang="en"
    >
```
You can drag and drop these elements from the palette. They are under JSTL XML.
November 15, 2007 at 10:26 am #278619

ernestz
Member

Adding the “xmlns:x” has no effect.

I was hoping to use c:choose/c:when/c:otherwise to keep from having to insert several c:if statements.

Inserting the c:choose,c:next,c:otherwise tags works correctly when deployed, it is just that ME’s visual JSF designer flags them as errors.

I guess I will have just ignore the false errors.

November 21, 2007 at 10:44 am #278843

Riyad Kalla
Member

Guys sorry for the confusion, the reason for this is that Facelets actually implements a *subset* of the JSTL library in it’s own Facelets-specific-taglib manner, please see this:
https://facelets.dev.java.net/nonav/docs/dev/docbook.html#taglib-available-jstl

to stay in sync with official Facelets, we just support what is declared in the doc. I’m honestly surprised when deployed, the undefined tags work…
Author

Posts

Viewing 6 posts - 1 through 6 (of 6 total)