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jsp 2 を使用する Java EE Web プロジェクトがあります。Web アプリケーションに標準の 1.1.2.jar と jsp 2 があります。Tomcat 6.0.35 では問題ありません。しかし、Tomcat 7 では、catalina ログにいくつかのメッセージが表示されます

org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/core is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/fmt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/functions is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/sql is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined 
Jul 26, 2012 10:56:45 AM org.apache.catalina.startup.TaglibUriRule body 
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/xml is already defined

私の推測では、jsp 2 には標準タグの機能が含まれていると思います。したがって、jsp2 アプリケーション用の標準 jar を含める必要はないかもしれません。これは正しいですか、それとも間違っている場合、このメッセージが表示されるのはなぜですか?

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