缺少jstl-1.2.jar包带来的问题

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#s2sh #jstl #tomcat7.0

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在将web项目部署到Tomcat7.0时遇到错误，由于缺少jstl-1.2.jar导致TLDs无法解析。错误信息包括JAR扫描未找到TLDs以及绝对uri: http://java.sun.com/jsp/jstl/core无法解析。通过将jstl-1.2.jar添加到/WEB-INF/lib目录并重启Tomcat，问题得到解决。

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在web项目部署到tomcat7.0过程中遇到的问题，拿来和大家分享一下

一下是项目部署后出现的错误

2014-7-23 14:02:26 org.apache.jasper.compiler.TldLocationsCache tldScanJar
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
2014-7-23 14:02:26 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet [jsp] in context with path [/hunqing] threw exception [The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application] with root cause
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
   at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:56)
   at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)
   at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)
   at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)
   at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)
   at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:410)
   at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:475)
   at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1427)
   at org.apache.jasper.compiler.Parser.parse(Parser.java:138)
   at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
   at org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
   at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
   at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:389)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
   at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
   at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
   at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
   at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
   at java.lang.Thread.run(Thread.java: