异常记录---使用jstl报错:The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either....

在idea中使用jstl时报错: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

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:55)
	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:277)
	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1152)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2527)
	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2516)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

查了一下应该是服务器部署出错的原因:(还有其他的情况,并不一定是这个原因,我没遇到就不空谈了)

检查一下部署后的目录结构,发现WEB-INF下根本连lib目录都没有,那就自己创建目录导包吧

我用的jstl-1.2的版本,只有一个jar包 , 1.1版本有两个(jstl和standard) ,全部拷贝到自己创建的lib目录中即可

重启Tomcat服务器,运行,没有异常了

问题解决!