d4f274
@@ -268,6 +268,8 @@
private void run(String[] args) throws Exception {
         org.apache.logging.log4j.Logger.class, // log4j-api
         org.apache.logging.log4j.core.Appender.class, // log4j-core
         org.apache.logging.slf4j.Log4jLogger.class, // log4j-slf4j
+        // log4j-1.2-API needed for NDC
+        org.apache.log4j.NDC.class,
     };
 
     for (Class<?> c : dependencies) {
