Tomcat报错
严重：The web application [web01] appears to have started a thread named [PooledThread-1] but has failed to stop it. This is very likely to create a memory leak.
没有关闭ResultSet，PreparedStatement，Connection的后果。用完ResultSet，PreparedStatement，Connection对象后一定要关闭，不然占用很多内存。
严重：The web application [web01] appears to have started a thread named ...
原文：http://www.cnblogs.com/seabird1979/p/4835047.html