I got this exception when I executed my newly written junit test for a Spring DAO with Hibernate Validations.
After adding javax.el to pom, this is resolved.
[code language=”xml”]
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
<version>2.2.4</version>
</dependency>
[/code]