Creating Maven web project

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The first step, start Eclipse, then click open the menu [File] [New] [Other]

Locate the directory Maven, select Maven Project,

 

Select a Archetype. Here create a Web project, select the maven-archetype-webapp

Enter id

Will generate a maven project. Icon in the top left corner of the project has a letter m

Solve the problem

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Once created, a few reported problems.

Solved, open pom.xml, add the following stuff.

1, add plug-ins

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< plugin >      < groupId >org.apache.maven.plugins</ groupId >      < artifactId >maven-war-plugin</ artifactId >      < version >2.6</ version >      < configuration >          < failOnMissingWebXml >false</ failOnMissingWebXml >      </ configuration > </ plugin > < plugin >      < groupId >org.apache.maven.plugins</ groupId >      < artifactId >maven-compiler-plugin</ artifactId >      < version >3.1</ version >      < configuration >          < source >1.8</ source >          < target >1.8</ target >      </ configuration > </ plugin

2, dependent added serlvet

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< dependency >      < groupId >javax.servlet</ groupId >      < artifactId >javax.servlet-api</ artifactId >      < version >3.1.0</ version > </ dependency > < dependency >      < groupId >javax.servlet.jsp</ groupId >      < artifactId >javax.servlet.jsp-api</ artifactId >      < version >2.3.1</ version > </ dependency > < dependency >      < groupId >javax.servlet</ groupId >      < artifactId >jstl</ artifactId >      < version >1.2</ version > </ dependency >

Complete pom.xml

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< project xmlns = "http://maven.apache.org/POM/4.0.0"      xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"      xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" >      < modelVersion >4.0.0</ modelVersion >      < groupId >com.liyongzhen</ groupId >      < artifactId >myweb</ artifactId >      < packaging >war</ packaging >      < version >0.0.1-SNAPSHOT</ version >      < name >myweb Maven Webapp</ name >      < url >http://maven.apache.org</ url >      < dependencies >          < dependency >              < groupId >javax.servlet</ groupId >              < artifactId >javax.servlet-api</ artifactId >              < version >3.1.0</ version >          </ dependency >          < dependency >              < groupId >javax.servlet.jsp</ groupId >              < artifactId >javax.servlet.jsp-api</ artifactId >              < version >2.3.1</ version >          </ dependency >          < dependency >              < groupId >javax.servlet</ groupId >              < artifactId >jstl</ artifactId >              < version >1.2</ version >          </ dependency >          < dependency >              < groupId >junit</ groupId >              < artifactId >junit</ artifactId >              < version >3.8.1</ version >              < scope >test</ scope >          </ dependency >      </ dependencies >      < build >          < finalName >myweb</ finalName >          < plugins >              < plugin >                  < groupId >org.apache.maven.plugins</ groupId >                  < artifactId >maven-war-plugin</ artifactId >                  < version >2.6</ version >                  < configuration >                      < failOnMissingWebXml >false</ failOnMissingWebXml >                  </ configuration >              </ plugin >              < plugin >                  < groupId >org.apache.maven.plugins</ groupId >                  < artifactId >maven-compiler-plugin</ artifactId >                  < version >3.1</ version >                  < configuration >                      < source >1.8</ source >                      < target >1.8</ target >                  </ configuration >              </ plugin >          </ plugins >      </ build > </ project >

调整Servlet版本

当前主流Servlet开发或者说主流Java Web开发，Servlet的版本是3.1。(Servlet 4.0还未被大量采用)。

我们在添加依赖时，Servlet版本也是3.1，而maven工程创建时Servlet是2.3

右击工程名，在弹出的菜单中选择【Properties】

弹出对话框，选择【Project Facets】

找到 Dynamice Web Module，去掉前面勾选

将Serlvet版本更改为3.1，再点击【Apply】

最后点击【Apply and Close】

再看，更新过来。