<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
선언 중에 uri가 붉은 줄이 생겼을때
jstl.jar, standard.jar를 추가하여 컴파일 하면 에러가 안남.
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web.xml 하단에 추가하세요
<!-- jstl tag lib -->
<taglib>
<taglib-uri>http://java.sun.com/jstl/core</taglib-uri>
<taglib-location>/WEB-INF/tld/c.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl/core_rt</taglib-uri>
<taglib-location>/WEB-INF/tld/c-rt.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl/fmt_rt</taglib-uri>
<taglib-location>/WEB-INF/tld/fmt-rt.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl/sql</taglib-uri>
<taglib-location>/WEB-INF/tld/sql.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl/sql_rt</taglib-uri>
<taglib-location>/WEB-INF/tld/sql-rt.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl/xml</taglib-uri>
<taglib-location>/WEB-INF/tld/x.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>http://java.sun.com/jstl//xml_rt</taglib-uri>
<taglib-location>/WEB-INF/tld/x-rt.tld</taglib-location>
</taglib>
/WEB-INF/tld/에 tld파일 있어야 겠죠?