たまに引っかかるのでメモ。 TomcatをEclipseで使用するとき、なぜかTomcat側のThreadPoolExecutorクラスの中で止まるときがあり、いつもイライラするので。 By debugging of Liferay Portal, that is tomcat application, eclipse make usual stop at ThreadPoolExecutor$Worker.run() line: 912 although I don't set a breakpoint at this class. The ThreadPoolExecutor isn't a class of my application, I think that belongs to tomcat. My Question is: what is wrong here, and w