又一次更新&&升级，jdk从2.1.1pre升级到2.3.2，并解决了问题.发生的事情是甲骨文浪费了我两个小时，真糟. :(

After another update && upgrade, jdk upgraded from 2.1.1pre to 2.3.2 and the problem fixed. What happened is that Oracle wasted my 2 hours, sucks. :(