<property name="readTimeoutInMs" value="30000" />
                <property name="basicAuthUserName" value="${resources.basicAuthUserName:}" />
                <property name="basicAuthPassword" value="OBF:${resources.basicAuthPassword:}" />
-               <property name="certFileName" value="/auth/${resources.client-cert}" />
-               <property name="certPassword" value="OBF:${resources.client-cert-password}" />
-               <property name="truststoreFileName" value="/auth/${resources.trust-store}" />
+               <property name="certFileName" value="/auth/${resources.client-cert:}" />
+               <property name="certPassword" value="OBF:${resources.client-cert-password:}" />
+               <property name="truststoreFileName" value="/auth/${resources.trust-store:}" />
                <property name="validateServerCertChain" value="false" />
                <property name="validateServerHostname" value="false" />
                <property name="resourceLoader" ref="sparkyResourceLoader" />