* <b>Performance measurement:</b></br>
* Supports measuring the request processing time at the client side. Setting "{@value #PROP_KEY_MEASURE_DURATION}"
* as system parameter enables the measurement. To make the measurements appear for each request in the log, the logging <code>Level</code>
- * for <code>HttpInvokerProxyFactoryBean</code> needs to be set to at least {@link org.apache.log4j.Level#INFO}. Otherwise the duration is
- * only reported in case of errors.
+ * for <code>HttpInvokerProxyFactoryBean</code> needs to be set to at least {@link org.apache.logging.log4j.Level#INFO}.
+ * Otherwise the duration is only reported in case of errors.
*
* @author a.kohlbecker
* @since Feb 4, 2020