web.xml

    ......
    ......
<security-constraint>
    <web-resource-collection>
      <web-resource-name>REST web resources</web-resource-name>
      <url-pattern>/services/rest/*</url-pattern>
      <http-method>GET</http-method>
      <http-method>PUT</http-method>
      <http-method>POST</http-method>
      <http-method>DELETE</http-method>
    </web-resource-collection>
    <!----- Commenting out the auth-constraint ----------->
    <!--auth-constraint> 
      <role-name>kie-server</role-name>
      <role-name>user</role-name>
    </auth-constraint-->
    ......
    ......
  </security-constraint>
  <security-constraint>
    <web-resource-collection>
      <web-resource-name>REST web resources</web-resource-name>
      <url-pattern>/services/rest/*</url-pattern>
      <http-method>OPTIONS</http-method>
    </web-resource-collection>
    <!-- No authentication.  -->
  </security-constraint>
  ....
   <!----- Commenting out the login-config, security-role ----------->
  <!--login-config>
    <auth-method>BASIC</auth-method>
    <realm-name>KIE Server</realm-name>
  </login-config>
  <security-role>
    <role-name>kie-server</role-name>
  </security-role>
  <security-role>
    <role-name>user</role-name>
  </security-role-->
  ....
  ....