我有一个使用jsp 2的Java EE Web项目。我的web应用程序中有标准的1.1.2.jar和jsp 2。在tomcat 6.0.35中没关系没问题。但是在tomcat 7中它显示了catalina日志中的一些消息
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
我的猜测是jsp 2包含了标准标签的功能。因此，我可能不需要为jsp2应用程序包含标准jar。这是正确的还是如果这是错误的，那么为什么会出现这些消息呢？