在Eclipse Maven项目中更改动态Web模块版本
在Eclipse Maven项目中更改动态Web模块版本
提问于 2014-03-14 20:38:02
我正在尝试设置Dynamic Web Module 3.0，以便支持Java 6开发。每当我执行Maven > Update Project时，我都会在eclipse的Problems选项卡中得到这个错误。
Dynamic Web Module 3.1 requires Java 1.7 or newer.
看起来好像什么都没有出错，但我肯定遗漏了什么，因为我总是收到这个错误。
下面是我的.settings/org.eclipse.wst.common.project.facet.core.xml的内容
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<fixed facet="jst.java"/>
<fixed facet="jst.web"/>
<installed facet="jst.java" version="1.6"/>
<installed facet="jst.web" version="3.0"/>
</faceted-project>在eclipse中，我的Java编译器被正确地设置为1.6。在Project Facets选项卡中，Dynamic Web Module被正确地指定为V3.0，Java也显示为Project Facets下的1.6。
在我的pom.xml文件中，我也相应地设置了Java版本：
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>顺便说一句，我还应该提到，我正在使用WebApplicationInitializer进行纯Java构建，并且没有web.xml文件。
在我试图消除这个看似无关紧要的错误消息时，我非常感谢您的帮助。
编辑:添加了pom.xml内容
<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>net.XXXXX</groupId>
<artifactId>XXXXX</artifactId>
<version>1.0-SNAPSHOT</version>
<name>XXXXX</name>
<packaging>war</packaging>
<url>http://maven.apache.org</url>
<build>
<finalName>XXXXX</finalName>
<plugins>
<!-- Source level should be 1.6 (not Maven default) for Java EE 6 projects -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<!-- When using xml-less approach, need to disable Maven's warning about
missing web.xml -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<!-- JUnit testing -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- Spring Core -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.0.2.RELEASE</version>
</dependency>
<!-- Spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.0.2.RELEASE</version>
</dependency>
<!-- Spring Context without commons-logging -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.0.2.RELEASE</version>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Spring Security core -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>3.2.1.RELEASE</version>
</dependency>
<!-- Spring Security config -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>3.2.1.RELEASE</version>
</dependency>
<!-- Spring Security web -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>3.2.1.RELEASE</version>
</dependency>
<!-- jcl-over-slf4j -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>1.7.6</version>
</dependency>
<!-- slf4j-api -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.6</version>
</dependency>
<!-- slf4j-log4j12 -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.6</version>
</dependency>
<!-- log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- Need servlet API for compiling the classes. Not needed in runtime -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!-- Required for xml-less configuration of Spring via @Configuration annotations -->
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>3.1</version>
</dependency>
<!-- Required for getting Spring working with Hibernate -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.0.2.RELEASE</version>
</dependency>
<!-- Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.3.4.Final</version>
</dependency>
<!-- For using JPA instead of "pure Hibernate" -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.4.Final</version>
</dependency>
<!-- DB connection pooling for production applications -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>20030825.184428</version>
</dependency>
<!-- Concrete JDBC driver for MySQL DB -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.29</version>
</dependency>
<!-- Add Taglib support -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
</project>回答 3
Stack Overflow用户
回答已采纳
发布于 2014-03-14 21:19:41
在我们的项目中，我们添加更改web.xml根元素的声明，从：
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">至：
<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_2_5.xsd"
version="2.5" >可能Eclipse期望它满足不同的Servlet版本规范。在我们的例子中，我们也没有编译和运行时的问题。
Eclipse：在您的例子中，您没有使用web.xml文件，有以下pom的依赖项，这可能会混淆的maven插件：
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>将其更改为"3.0.1“。(事实证明，WebApplicationInitializer需要"Servlet 3.0+环境“，而不是3.1+)
Stack Overflow用户
发布于 2015-03-09 23:39:48
您可以将以下内容添加到pom.xml中：
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>在Spring STS 3.6.3中工作:)
编辑：
来源：http://crunchify.com/how-to-solve-dynamic-web-module-3-1-requires-java-1-7-or-newer-in-eclipse/
Stack Overflow用户
发布于 2014-08-26 05:30:50
尝试将JRE/JDK版本更改为1.7。web项目模块不支持1.6。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/22405212
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