tomcat版本和servlet 的版本，jsp的版本和el的版本的关系图以及maven 依赖

Servlet , JSP 规范版本和tomcat 版本之前的关系图

Servlet Spec	JSP Spec	JSTL(jsp标准标签库)	EL Spec	WebSocket Spec	jdk	Apache Tomcat Version	JavaEE Version
4.0	2.3	1.2	3.0	1.1	JDK8+	tomcat9.x+以上的配置	Java EE 8
3.1	2.3	1.2	3.0	1.1	JDK7+	tomcat8.x+以上的配置	Java EE 7
3.0	2.2	1.2	2.2	1.1	JDK6+(使用websocket需要JDK7+)	tomcat7.x	Java EE 6
2.5	2.1	1.2	2.1	无	jdk5+	tomcat6	Java EE 5

tomcat7.x servlet 3.0 JSP 2.2, EL 2.2 maven 依赖

依赖

 
        <dependency>
            <groupId>javax.servletgroupId>
            <artifactId>javax.servlet-apiartifactId>
            <version>3.0.1version>
            <scope>providedscope>
        dependency>
        <dependency>
            <groupId>javax.servlet.jspgroupId>
            <artifactId>jsp-apiartifactId>
            <version>2.2version>
            <scope>providedscope>
        dependency>
        <dependency>
            <groupId>javax.elgroupId>
            <artifactId>el-apiartifactId>
            <version>2.2version>
            <scope>providedscope>
        dependency>
        
       
        
        
        <dependency>
            <groupId>javax.servletgroupId>
            <artifactId>jstlartifactId>
            <version>1.2version>
        dependency>
        
        <dependency>
            <groupId>taglibsgroupId>
            <artifactId>standardartifactId>
            <version>1.1.2version>
        dependency>
        

对应的web.xml文件

<web-app
        xmlns="http://java.sun.com/xml/ns/javaee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
        version="3.0">
  <display-name>Archetype Created Web Applicationdisplay-name>
web-app>

测试

通过插件启动tomcat。

通过将war包赋值到webapps目录下手动启动 都是可以启动的

tomcat 8.x 版本 servlet 3.1 JSP 2.3, EL 3.0 maven 依赖（待测试）

依赖

<dependency>
    <groupId>javax.servletgroupId>
    <artifactId>javax.servlet-apiartifactId>
    <version>3.1.0version>
    <scope>providedscope>
dependency>
<dependency>
    <groupId>javax.servlet.jspgroupId>
    <artifactId>javax.servlet.jsp-apiartifactId>
    <version>2.3.0version>
    <scope>providedscope>
dependency>
<dependency>
    <groupId>javax.elgroupId>
    <artifactId>javax.el-apiartifactId>
    <version>3.0.0version>
    <scope>providedscope>
dependency>
<dependency>
    <groupId>javax.servletgroupId>
    <artifactId>jstlartifactId>
    <version>1.2version>
dependency>

对应的web.xml文件支持

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
                http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee">

参考：

Apache Tomcat Versions

Web Application Specifications

Java Platform, Enterprise Edition

The Story of JEE modules

Maven dependency for Servlet 3.0 API?