exit loop when init leveldb failed
exit loop when init leveldb failed

tempbottle/ardb,cloudrain21/ardb,spitfire2/ardb,lsm/ardb,bssrdf/ardb,wfxiang08/ardb,yinqiwen/ardb,placrosse/ardb,bssrdf/ardb,spitfire2/ardb,lsm/ardb,cloudrain21/ardb,yinqiwen/ardb,wfxiang08/ardb,placrosse/ardb,tempbottle/ardb