use maven properties in web.xml

http://stackoverflow.com/questions/27566267/maven-how-to-fill-a-variable-in-web-xml-file

I want it

<init-param>
    <param-name>url</param-name>
    <param-value>${targetUrl}</param-value>
</init-param>

<profiles>
    <profile>
        <id>local</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <properties>
            <env>local</env>
            <targetUrl>http://local.target.url</targetUrl>
        </properties>
    </profile>

solution (in pom.xml)

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-war-plugin</artifactId>
    <version>2.6</version>
    <configuration>
        <filteringDeploymentDescriptors>true</filteringDeploymentDescriptors>
    </configuration>
</plugin>