Error in validation of jboss-deployment-structure.xml

<jboss-deployment-structure xmlns="urn:jboss:deployment-structure:1.2">
    <deployment>
        <dependencies>
            <module name="org.apache.log4j" slot="main" export="true"/>
        </dependencies>
        <exclusions>
            <module name="org.hibernate"/>
        </exclusions>
    </deployment>
</jboss-deployment-structure>

cvc-complex-type.2.4.b: The content of element 'deployment' is not complete. One of '{"urn:jboss:deployment-structure:1.2":module-alias, "urn:jboss:deployment-structure:1.2":exports, "urn:jboss:deployment-structure:1.2":resources, "urn:jboss:deployment-structure:1.2":transformers, "urn:jboss:deployment-structure:1.2":local-last, "urn:jboss:deployment-structure:1.2":exclude-subsystems}' is expected.