Fail maven.plugin

Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.1.1:war (default-war) on project 

in pom.xml-->build -->plugins-->add plugin

<build>
<finalName>${project.artifactId}</finalName>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>

<plugin>