org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.index_jsp解决方法

一、可能出现的原因

1、缺少jar包

二、解决方法

1、pom文件引入依赖

<dependency>
    <groupId>jstl</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
</dependency>

<dependency>
    <groupId>taglibs</groupId>
    <artifactId>standard</artifactId>
    <version>1.1.2</version>
</dependency>

2、选择project structure

3、在web-inf下面新建lib文件夹

4、选择lib文件夹，添加jar包

5、选择jstl、standard包

6、点击apply、ok，添加jar包完成

7、启动项目

8、启动成功

[2023-10-01 09:39:31,931] Artifact portal:war exploded: Artifact is deployed successfully
[2023-10-01 09:39:31,931] Artifact portal:war exploded: Deploy took 408 milliseconds
01-Oct-2023 21:39:41.437 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [F:\Tomcat 8.5\webapps\manager]
01-Oct-2023 21:39:41.474 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Web应用程序目录[F:\Tomcat 8.5\webapps\manager]的部署已在[36]毫秒内完成