INFO: TLD skipped. URI: http:java.sun.comjstlcore

五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/core_rt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/core is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jsp/jstl/core is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/fmt_rt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/fmt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jsp/jstl/fmt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jsp/jstl/functions is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/permittedTaglibs is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://jakarta.apache.org/taglibs/standard/scriptfree is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/sql_rt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/sql is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jsp/jstl/sql is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/xml_rt is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jstl/xml is already defined 五月 04, 2017 12:29:23 上午 org.apache.catalina.startup.TaglibUriRule body 信息: TLD skipped. URI: http://java.sun.com/jsp/jstl/xml is already defined

The solution is to use the tag 'scope' and a value of 'provided' because JSTL is already shipped with Tomcat (it is only for your IDE):

<dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> <scope>provided</scope> </dependency>