Generallythequestionis,haveyoudeployedtheproject?Theanswerisyes.
IclickedontheprojectIwasinMavenafterUpdateproject,itisprocedurethatIalwaysdomyprojectsandthisisgivingproblem.
web.xml
<projectxmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.com.comercial.adm</groupId>
<artifactId>ComercialADM</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<!-- PrimeFaces (biblioteca de componentes) -->
<dependency>
<groupId>org.primefaces</groupId>
<artifactId>primefaces</artifactId>
<version>3.5</version>
<scope>compile</scope>
</dependency>
<!-- Mojarra (implementacao do JSF) -->
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>javax.faces</artifactId>
<version>2.1.21</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
<finalName>ComercialADM</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>prime-repo</id>
<name>PrimeFaces Maven Repository</name>
<url>http://repository.primefaces.org</url>
<layout>default</layout>
</repository>
</repositories>
</project>