JSTL tag library issue in Weblogic


Hi again this too technical, only for who interests about Web development in Weblogic server

I developed web application using JSTL tags and when I tried to deploy WAR file in Weblogic server i got following error:


Message icon - Error An error occurred during activation of changes, please see the log for details.
Message icon - Error Failed to load webapp: 'etaagent.war'
Message icon - Error Error: Unresolved Webapp Library references for "ServletContext@163229449[app:etaagent module:etaagent.war path:/etaagent spec-version:2.5]", defined in weblogic.xml [Extension-Name: jstl, Specification-Version: 1.2, exact-match: false]





then,

by googling I found that JSTL library is deployed by default in WebLogic, so I  added the library-ref in weblogic.xml:


< ?xml version="1.0" encoding="UTF-8"?> < wls:weblogic-web-app xmlns:wls="http://xmlns.oracle.com/weblogic/weblogic-web-app" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd http://xmlns.oracle.com/weblogic/weblogic-web-app http://xmlns.oracle.com/weblogic/weblogic-web-app/1.2/weblogic-web-app.xsd"> < wls:library-ref> < wls:library-name>jstl< /wls:library-name> < wls:specification-version>1.2< /wls:specification-version> < wls:exact-match>false< /wls:exact-match> < /wls:library-ref> < /wls:weblogic-web-app>

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