2a. if a single client is slow - try PAT12.exe on client and see what it yields (or copy from e.g. C: -> D: to get an indication of disk delivery - check network setting, CPU workload, memory usage, available updates (firmware/driver), high fragmentation etc. 2b. if general is...
由于DriverManager类在rt.jar中,所以可以认定DriverManager类最终由BootstrapClassLoader加载器负责加载,而我们的Driver实现类(OracleDriver)一般都是由应用程序类加载器(ApplicationClassLoader)或自定义类加载器负责加载,所以Driver的实现对BootstrapClassLoader是不可见的,这样必定会导致DriverManager的loadInitialDrivers失败。 ...
Hydraulic pilot control(JOYSTICK) to reduce the labor intensity of the driver. Combination design of parking brake, working brake & emergency brake. Braking model is SAHR(spring applied, hydraulic release). Rear Camera to provide good view for operation. >> Early Warning & ...