P.c.m.n. - monitor

Just thrown a quick look at the AsyncAppender class source code . It seems that the thread that asynchronously process the logging events is set as a daemon thread. So when the main thread exits the logging thread exits too, possibly with unhandled logging requests in the queue.

Now you can call your code. After the test, you will find all log messages in the list. Add the log level if you want ( ( () + " " + () ); ).

The FIM server itself can be on debug mode also by editing the  '' file located at '<Tomcat_Install_Directory>\webapps\fim\WEB-INF\'