Filtering resource don't work as expected

			<!-- pour tout les projets d'intégration, il faut ajouter un fichier context.xml qui sera filtré -->	
	        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
			<version>2.1-beta-1</version>
            <configuration>
                <webResources>
                    <resource>
                        <directory>${basedir}/src/main/webapp/META-INF</directory>
                        <filtering>true</filtering>
                        <includes>
                            <include>context.xml</include>
                        </includes>
                        <targetPath>META-INF/</targetPath>
                    </resource>
                </webResources>
            </configuration>
        </plugin>  

<!-- Context configuration file for the Webintake services -->
<Context path="/myWebapp" debug="0" privileged="true" reloadable="false">
	<Resource auth="Container" name="jdbc/DATABASEHTTP" factory="org.apache.commons.dbcp.BasicDataSourceFactory"
		type="javax.sql.DataSource" driverClassName="${connection.driver_class}"
		url="${connection.url}" username="${connection.username}" password="${connection.password}" maxActive="50" maxIdle="2"
		maxWait="10000" />
</Context>

[DEBUG] Configuring mojo 'org.apache.maven.plugins:maven-war-plugin:2.1-alpha-1:war' -->
[DEBUG]   (f) addDefaultSpecificationEntries = true
[DEBUG]   (f) addDefaultImplementationEntries = true
[DEBUG]   (s) manifest = org.apache.maven.archiver.ManifestConfiguration@1d50fd2
[DEBUG]   (f) archive = org.apache.maven.archiver.MavenArchiveConfiguration@101ac1c
[DEBUG]   (s) archiveClasses = true
[DEBUG]   (s) cacheFile = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\war\work\webapp-cache.xml
[DEBUG]   (s) classesDirectory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\classes
[DEBUG]   (s) filters = []
[DEBUG]   (f) outputDirectory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target
[DEBUG]   (f) primaryArtifact = true
[DEBUG]   (s) project = MavenProject: fr.sgf.wit:webintake-security-integration:3.5.0-alpha3-SNAPSHOT @ E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\pom.xml
[DEBUG]   (s) useCache = true
[DEBUG]   (f) warName = webintake-security-integration-3.5.0-alpha3-SNAPSHOT
[DEBUG]   (s) warSourceDirectory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\src\main\webapp
[DEBUG]   (s) directory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration/src/main/webapp/META-INF
[DEBUG]   (s) filtering = true
[DEBUG]   (s) includes = [context.xml]
[DEBUG]   (s) targetPath = META-INF/
[DEBUG]   (s) webResources = [Resource {targetPath: META-INF/, filtering: true, FileSet {directory: E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration/src/main/webapp/META-INF, PatternSet [includes: {context.xml}, excludes: {}]}}]
[DEBUG]   (s) webappDirectory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\webintake-security-integration-3.5.0-alpha3-SNAPSHOT
[DEBUG]   (s) workDirectory = E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\war\work
[DEBUG] -- end configuration --
[INFO] [war:war]
[INFO] Packaging webapp
[INFO] Assembling webapp[webintake-security-integration] in [E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\webintake-security-integration-3.5.0-alpha3-SNAPSHOT]
[INFO] Processing war project
[INFO] Copy webapp webResources[E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration/src/main/webapp/META-INF] to[E:\Developpement\checkout\webintakeTrunk\webintake-security\webintake-security-integration\target\webintake-security-integration-3.5.0-alpha3-SNAPSHOT]
[DEBUG]  + META-INF/\context.xml has been copied.
[DEBUG]  + META-INF/context.xml has been copied.