below is example from camel in action code, there is no defination for ${camel-version} and version in dependency, but maven compile and install still work
the question is which version will be downloaded by Maven ?
parent pom is like below
<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>
<parent>
<groupId>com.camelinaction</groupId>
<artifactId>parent</artifactId>
<version>1.0.0</version>
</parent>
<artifactId>chapter3</artifactId>
<packaging>pom</packaging>
<version>1.0.0</version>
<name>Camel in Action :: Chapter 3</name>
<modules>
<module>transform</module>
<module>order</module>
<module>converter</module>
</modules>
</project>