用Servlet做东西。用Jcreator编写代码。连接sqlServer2005数据库，用tomcat5.X做后台，运行界面无法跳转，tomcat后台跳至 at java.lang.Thread.run(Unknown Source) 就停止了。

Although jstack (Java Stack Trace) is a useful tool for learning more about a how a Java thread is behaving, VisualVM is an even easier method for obtaining the same type of information. It is easy to ...