in log4j-spring-cloud-config-sample-application/src/main/java/org/apache/logging/log4j/spring/cloud/config/sample/controller/SampleController.java [87:98]
public ResponseEntity<String> exception() {
Throwable t = new Throwable("This is a test");
LOGGER.info("This is a test", t);
ByteArrayOutputStream os = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(os);
t.printStackTrace(ps);
String stackTrace = os.toString();
stackTrace = stackTrace.replaceAll("\n", "<br>");
//LOGGER.info("Hello, World");
return ResponseEntity.ok(stackTrace);
}