package com.amazonaws.kafka.samples; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import java.io.*; class Util { private static final Logger logger = LogManager.getLogger(Util.class); static String stackTrace(Throwable e) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); e.printStackTrace(pw); return sw.toString(); } }