eclipse配置低版本maven

1、由于项目编译时报错
Unsupported major.minor version 51.0
经查是由于eclipse自带maven版本太高，不能编译旧项目

2、配置Maven3.0
Window --> Preferences --> Maven --> Installations，导入本地的Maven软件包
eclipse配置低版本maven
eclipse自带Maven插件版本是3.3.9，此次导入的是3.0.5

3、配置环境变量
1）系统变量增加：MAVEN_HOME
eclipse配置低版本maven
2）系统变量Path增加：%MAVEN_HOME%\bin

3）打开一个cmd窗口测试一下

4、settings.xml说明
1）本地库的位置
<localRepository>D:/repository</localRepository>
2）server的ID、用户名、密码

<servers>
    <!-- server
     | Specifies the authentication information to use when connecting to a particular server, identified by
     | a unique name within the system (referred to by the 'id' attribute below).
     | 
     | NOTE: You should either specify username/password OR privateKey/passphrase, since these pairings are 
     |       used together.
     |
    <server>
      <id>deploymentRepo</id>
      <username>repouser</username>
      <password>repopwd</password>
    </server>
    -->
    
    <!-- Another sample, using keys to authenticate.
    <server>
      <id>siteServer</id>
      <privateKey>/path/to/private/key</privateKey>
      <passphrase>optional; leave empty if not used.</passphrase>
    </server>
    -->
    <server>
      <id>psfp-releases</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
	<server>
      <id>psfp-snapshots</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
    <server>
      <id>pfas-Releases</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
	<server>
      <id>pfas-Snapshots</id>
      <username>deployment</username>
      <password>deployment123</password>
	</server>
	<server>
      <id>pbcs-releases</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
	<server>
      <id>pbcs-snapshots</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
  </servers>

eclipse配置低版本maven

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