*/
@Nonnull
public String printLog4jEffectiveConfiguration() {
try {
StringWriter writer = new StringWriter();
PropertyPrinter propertyPrinter = new PropertyPrinter(new PrintWriter(writer));
propertyPrinter.print(new PrintWriter(writer));
return writer.toString();
} catch (RuntimeException e) {
logger.warn("Exception generating log4j configuration", e);
throw e;
}