什么是“INFO：TLD跳过”。 URI已经定义为“意思？ [英] What does "INFO: TLD skipped. URI is already defined" mean?

问题描述

在eclipse
中运行我的JSF 2应用程序时，我收到了几个TLD被跳过的信息日志，因为它已经定义如下：

When running my JSF 2 application in eclipse I am getting several info logs that TLD was skipped because it's already defined as follows:

Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://www.springframework.org/tags/form is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://www.springframework.org/tags is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/core is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/core is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/fmt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/functions is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/sql is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined
Jan 3, 2012 7:24:45 PM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://java.sun.com/jsp/jstl/xml is already defined

I我很想知道，这个日志是什么意思？

I am curious to know, what does this log mean?

推荐答案

这意味着你的webapp的运行时类路径中有重复的TLD文件。由于TLD通常包含在库JAR文件中，这反过来意味着您在webapp的运行时类路径中有重复的JAR文件。

This means that you have duplicate TLD files in your webapp's runtime classpath. As TLDs are normally contained in the library JAR files, this in turn means that you have duplicate JAR files in your webapp's runtime classpath.

假设您没有触及appserver的 / lib 文件夹或JDK的 / lib 文件夹，然后这些重复项位于 / WEB -INF / lib WAR构建的文件夹。清理它。

Assuming that you haven't touched appserver's /lib folder nor the JDK's /lib folders, then those duplicates are in the /WEB-INF/lib folder of the WAR build. Cleanup it.

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