The form component needs to have a UIForm in its ancestry. Suggestion: enclose the necessary components within

When you see

The form component needs to have a UIForm in its ancestry. Suggestion: enclose the necessary components within <h:form>

in your NetBeans web application, change web.xml from:
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>


To:
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Production</param-value>
    </context-param>