<plugins>

        <plugin>

            <groupId>org.apache.maven.plugins</groupId>

            <artifactId>maven-war-plugin</artifactId>

            <version>2.6</version>

            <configuration>

                <webResources>

                    <resource>

                        <directory>src/main/webapp/WEB-INF</directory>

                        <filtering>true</filtering>

                        <targetPath>WEB-INF</targetPath>

                    </resource>

                </webResources>

            </configuration>

        </plugin>

    </plugins> 

<dependency>

    <groupId>com.thoughtworks.xstream</groupId>

    <artifactId>xstream</artifactId>

    <version>1.4.9</version>

</dependency>