Jsp Jstl Core Jar File
I'm trying to use JSTL, but I get the following error: Can not find the tag library descriptor for 'How is this caused and how can. Download jstl-1.2.jar. Jstl/jstl-1.2.jar.zip( 367 k) The download jar file contains the following class files or Java source files. META-INF/LICENSE.txt META-INF. Jstl-1.1.2.jar, jstl/jars, classes, dependencies, depends on, dependency graph, JAR file, findJAR, serFISH This page shows details for the JAR file jstl-1.1.2.jar contained in jstl/jars. Apart from vendor, name and version also the contained classes and JAR dependencies are listed.
Download jstl.jar. Jstl/jstl.jar.zip( 20 k) The download jar file contains the following class files or Java source files. META-INF/GENUITEC.DSA META-INF/GENUITEC.SF. JSP - Standard Tag Library (JSTL) Tutorial. The JavaServer Pages Standard Tag Library (JSTL) is a collection of useful JSP tags which encapsulates the core functionality common to many JSP applications. JSTL has support for common, structural tasks such as iteration and conditionals, tags for manipulating XML documents, internationalization tags. The javax.servlet.jsp.jstl-api-1.2.1-javadoc.jar is contains only the JSTL javadocs and the javaee.jar contains the entire Java EE API which may be desastreus because Tomcat ships with parts of it already (JSP/Servlet) which may conflict.
Hi using
eclipse juno, dynamic web project
apache Tomcat v7.0 (which has its own jstl-1.2.1.jar) I get this error
when I try running this jsp code
it seams not to be seeing the javax.servlet.jsp.jstl.core.LoopTag class that is in the jar
I have read something about filters blocking javax.servlet files
any help would be greatly appreciated
ok I think I have found the solutionjavax.servlet.jsp.jstl-1.2.1.jar
does not contain the javax.servlet.jsp.jstl.core classes
jstl-1.2.jar needs to be added as well
4 Answers
javax.servlet.jsp.jstl-1.2.1.jar doesn't contain the javax.servlet.jsp.jstl.core classes. Be sure to add jstl-1.2.jar as well.
If you want to use forEach you should add two libraries to WEB-INF/lib of your project:Impl:taglibs-standard-impl-1.2.5.jarSpec:taglibs-standard-spec-1.2.5.jar
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I imported 'taglibs-standard-impl-1.2.5.jar' I downloaded from http://tomcat.apache.org/download-taglibs.cgi and I encountered the same error.I tried importing 'jstl-1.2.jar' as Limited Atonement suggested before and it worked.So I compared those two jars:
- 'jstl-1.2.jar' contains 3 folders: 'javax', 'META-INF' and 'org'.
- 'taglibs-standard-impl-1.2.5.jar' contains only 2 folders: 'META-INF'and 'org'.
So I tried swch's suggestion. I removed jstl-1.2.jar and importing both 'taglibs-standard-spec-1.2.5.jar' and 'taglibs-standard-impl-1.2.5.jar'.
This solved the issue, because the 'spec' lib contains the 'javax' folder which contains the required classes.
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I've been trying for longer than I'd like to admit to get JSTL working under Eclipse (and ultimately under GAE/J). I've downloaded Eclipse, the Google App Engine Extension for Eclipse, and JSTL (http://download.java.net/maven/1/jstl/jars/ - jstl-1.2.jar is in the WEB-INFlib directory).
My code is below along with the output:
The error I get is:
From the last post on this page I don't think I need a standard.jar (http://forums.sun.com/thread.jspa?threadID=701267) and in any case I couldn't find one on the Oracle download.java.com site along with the jstl jar.
EDIT 4: Works now - Steps:
1) Use the Apache version
2) Actually include the jar file in the build path (right click the eclipse project and hit Properties -> Java Build Path -> Libraries -> Add Class Folder..; the war/WEB-INF/lib is apparently not on the build path by default)
3) Add the file c.tld to war/WEB-INF/tld
Make your web.xml look like:
The test jsp file contents:
Jsp Jstl Tags
6 Answers
Jsp Jstl Core
Ensure that your web.xml root declaration complies at least Servlet 2.4.
Or if your servletcontainer supports it, prefer 2.5:
O if it supports the latest version3.0
Otherwise everything will fall back to least supported modus and taglibs may break like that.
Also ensure that you don't have loose tld files wandering around in the classpath (the /WEB-INF/lib folder, among others), they will collide with the ones in JAR files. Oh, also ensure that you didn't manually define the tlds in web.xml, keep it clean.
BalusCBalusCI had the same issue and I simply put the prefix = 'c' at the end of the taglib definition
before:
after:
And all warnings disappear from Eclipse.
kleopatraYou only need to specify this dependency in your Maven POM:
Jsp Jstl Core
In my code, this provided everything I needed for the following JSP taglib to work:
As far as i know you need jstl.jar and standard.jar. Put those under WEB-INF/lib.
kukudaskukudasAdd taglibs-standard-impl-1.2.5 from Apache to the build path of the project. This may resolve the issue.
add jstl-1.2-sources.jar into your Tomcatlib directory