<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
+ <dependency>
+ <groupId>commons-validator</groupId>
+ <artifactId>commons-validator</artifactId>
+ </dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>