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Editorial Team
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Asked: 2026-05-28T16:52:39+00:00

Where one should normally take JSTL/EL libraries? Does Tomcat distribution should include them? I

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Where one should normally take JSTL/EL libraries? Does Tomcat distribution should include them? I have installed Tomcat7 for use under Eclipse Indigo and now see under “Apache Tomcat v7.0” branch in Project explorer, that there is a jar named el-api.jar. How it realtes with jstl-api.jar and jstl-impl.jar I usually used to have JSTL/EL in my jsps? Can I use EL or JSTL in my jsps having only el-api.jar installed?

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1 Answer

  1. Editorial Team

    Tomcat is a Servlet and JSP container. The Expression Language is a dependency of the JSP specification. JSTL is not.

    From the release notes:

    Bundled APIs:

    A standard installation of Tomcat 7.0 makes all of the following APIs
    available for use by web applications (by placing them in “lib”):

    • annotations-api.jar (Annotations package)
    • catalina.jar (Tomcat Catalina implementation)
    • catalina-ant.jar (Tomcat Catalina Ant tasks)
    • catalina-ha.jar (High availability package)
    • catalina-tribes.jar (Group communication)
    • ecj-3.7.1.jar (Eclipse JDT Java compiler)
    • el-api.jar (EL 2.2 API)
    • jasper.jar (Jasper 2 Compiler and Runtime)
    • jasper-el.jar (Jasper 2 EL implementation)
    • jsp-api.jar (JSP 2.2 API)
    • servlet-api.jar (Servlet 3.0 API)
    • tomcat-api.jar (Interfaces shared by Catalina and Jasper)
    • tomcat-coyote.jar (Tomcat connectors and utility classes)
    • tomcat-dbcp.jar (package renamed database connection pool based on Commons DBCP)

    Since JSTL is just a tag library, you should be able to add any implementation by placing it in your application’s WEB-INF/lib.

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