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java.lang.ClassNotFoundException : javax.servlet.jsp.jstl.core.Config

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Problem

While deploying JSF 2.0 web application to Tomcat 6.0.26, hits following jstl class not found error.


java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config
	...
Caused by: java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config
	... 18 more

Solution

By default, Tomcat container doesn’t contain any jstl library. To fix it, declares jstl.jar in your Maven pom.xml file.


  <dependency>
	<groupId>javax.servlet</groupId>
	<artifactId>jstl</artifactId>
	<version>1.2</version>
  </dependency>
Note
Please refer to this JSF 2.0 release note to identify the JSF 2.0 required dependency libraries.

About Author

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Founder of Mkyong.com, love Java and open source stuff. Follow him on Twitter. If you like my tutorials, consider make a donation to these charities.

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Asif Khan
1 year ago

I am still getting the same error.please help me out.

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Kaustubh Dapurkar
4 years ago

Thanks, that cleared my error in the first attempt.

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Nazia
4 years ago

I just removed the provided from this once you mentioned that tomcat doesnt have this. Thanks

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Mohammed ESSABRI
4 years ago

Hi,

Thank you for the solution but i don’t use Maven, i copied the library into /WEB-INF/lib/ but it gives the following error:

javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/ConditionalTagSupport
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
MyServlet.doGet(MyServlet.java:22)
javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

This is the content of my lib folder:
\WEB-INF\lib

31/05/2019 01:47 .
31/05/2019 01:47 ..
31/05/2019 01:15 206ÿ430 taglibs-standard-impl-1.2.5.jar

Please help me

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R..#..A..#..V..#..I
8 years ago

I have got this error when configuring Apache tiles into Spring project. I don’t know how it appears. Anyway solution works and solve my problem. Thanks much.

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Wayne Riesterer
10 years ago

Yay. Mkyong, you’re a life saver. Thanks! It took me about 3 hours to find this fix 🙂

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Dennis Kelly
10 years ago

Thank you for this little tip. This is the first time I found a tip at the top of google search on ‘..some err..classNotfound,jstl…’ where I followed the simple dependency injection, and it worked like a magic charm!

javax.servlet
jstl
1.2

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[email protected]
11 years ago

I have this error, but no pom.xml … :/

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Arun Menon
11 years ago

Thanks. Was facing the same issue.

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FkJ
11 years ago

https://community.jboss.org/thread/200234?tstart=0

Any ideias?

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Eero
12 years ago

Thanks! Google picked this up as first result and it solved my problem.

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Cihan
13 years ago

I’m using tomcat v.7 but I’m taking same exception.

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mkyong
13 years ago
Reply to  Cihan

Thank for the input. Tomcat, by default, doesn’t come with jstl.jar library, and shouldn’t also. You need to get this library manually.

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