To be able to create an executable jar containing all the dependencies you have to had
<build>
[...]
<plugins>
[...]
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>org.sinarf.myapp.MainClass</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
[...]
</plugins>
[...]
</build>

the
mvn assembly:assembly

command will build an executable jar with all the dependancies define in your pom.
Documentation : Maven Assembly Plugin