in log4j2-ecs-layout/src/main/java/co/elastic/logging/log4j2/MdcSerializerResolver.java [48:56]
private static MdcSerializer resolveDefault() {
try {
LogEvent.class.getMethod("getContextData");
return (DefaultMdcSerializer) Class.forName(
"co.elastic.logging.log4j2.DefaultMdcSerializer$UsingContextData").getEnumConstants()[0];
} catch (Exception | LinkageError ignore) {
}
return UsingContextMap.INSTANCE;
}