Maven3 package时报 'version' contains an expression but should be a constant
父pom文件:
<modelVersion>4.0.0</modelVersion>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>${com.wey.version}</version>
<packaging>pom</packaging>
<modelVersion>4.0.0</modelVersion>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>${com.wey.version}</version>
<packaging>pom</packaging>
package web工程时报 'version' contains an expression but should be a constant这个错误提示,这是因为Maven3 不允许出现version为非常量值的情况。
那么就将版本号改成常量后可以正常打包:
父pom文件:
<modelVersion>4.0.0</modelVersion>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>
子Module
<parent>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../WEY/pom.xml</relativePath>
</parent>
<artifactId>WEY.WebApp</artifactId>
<packaging>war</packaging>
<name>WEY.WebApp Maven Webapp</name>
<url>http://maven.apache.org</url>
<modelVersion>4.0.0</modelVersion>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>0.0.2-SNAPSHOT</version>
<packaging>pom</packaging> <parent>
<groupId>com.wey</groupId>
<artifactId>WEY</artifactId>
<version>0.0.2-SNAPSHOT</version>
<relativePath>../WEY/pom.xml</relativePath>
</parent>
<artifactId>WEY.WebApp</artifactId>
<packaging>war</packaging>
<name>WEY.WebApp Maven Webapp</name>
<url>http://maven.apache.org</url>
Maven还会生成一个pom.xml.versionsBackup的备份文件。
提交更新:
>mvn versions:commit
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