Unable to locate JAR/zip in file system as specified by the driver definition

在eclipse的“Data Source Explorer”弹出对话框中选一个driver，如果出现“Unable to locate JAR/zip in file system as specified by the driver definition: xxx.jar.”3 |: |% W) b! i& x0 d
就要在“JAR List”选项卡中删除原有的驱动文件，重新加一下就好了。