private void initLogging()
{
// Get configuration root node
Element rootNode = getRootNode();
if (rootNode == null)
throw new ObjectNotValidException(this);
// Find log configuration node
Element loggingNode = XMLUtil.findFirstChild(rootNode, loggingNodeName);
if (loggingNode == null)
{ // log configuration node not found
log.error("Log configuration node {} has not been found. Logging has not been configured.", loggingNodeName);