HyperSQL在停止后保持文件锁定

I'm using a HyperSQL database in my software. When I start the Hsqlserver isntance it works prefectly. However after shutting it down it still keeps the .lck and .log file locked. When I kill my java process the files are unlocked. Any suggetsions on how to shut down the HSQLServer without killing my java process?I'm using a HyperSQL database in my software. W