Setting of <contextRoot> in pom.xml is ignored. ArtifactId of a WebModule is set as context-root in the application.xml instead.

I set in my POM the desired context root of a web module which is to be bundled in a EAR file.
The <contextRoot> setting is simply ignored when building the EAR file. Instead the artifactId of the web module is used.

This is the webModule with the ignored contextRoot:
<webModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-web</artifactId>
<contextRoot>/ecase</contextRoot>
</webModule>

Following is a larger snippet of the POM:
<profile>
<id>casex-ext</id>
<dependencies>
<dependency>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-ws</artifactId>
<version>${applicationVersion}</version>
<type>wsr</type>
</dependency>
<dependency>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-sunet-ws</artifactId>
<version>${applicationVersion}</version>
<type>war</type>
</dependency>
<dependency>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-pdf</artifactId>
<version>${applicationVersion}</version>
<type>sar</type>
</dependency>
<dependency>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-web</artifactId>
<version>${applicationVersion}</version>
<type>war</type>
</dependency>
<dependency>
<groupId>ch.hrms.ecase</groupId>
<artifactId>rootCtx</artifactId>
<version>${applicationVersion}</version>
<type>war</type>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-ear-plugin</artifactId>
<configuration>
<displayName>eCaseSwica - external</displayName>
<finalName>ecase-swica-ext</finalName>
<description>
eCase for Swica - deployment for external JBoss server
</description>
<modules>
<wsrModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-ws</artifactId>
</wsrModule>
<webModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-sunet-ws</artifactId>
<contextRoot>/sunet/ws/casedata</contextRoot>
</webModule>
<sarModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-pdf</artifactId>
</sarModule>
<webModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>ecase-web</artifactId>
<contextRoot>/ecase</contextRoot>
</webModule>
<webModule>
<groupId>ch.hrms.ecase</groupId>
<artifactId>rootCtx</artifactId>
</webModule>
</modules>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>jboss-maven-plugin</artifactId>
<version>1.4</version>
<configuration>
<port>8180</port>
<jbossHome>${JBoss_Ext_Home}</jbossHome>
<fileName>ecase-ear/target/ecase-swica-ext.ear</fileName>
</configuration>
</plugin>
</plugins>
</build>
</profile>