- i have opend sql debug log by adding: logging.level.com.***.mapper=debug
 - then two thread in one request execute query separately by: Mono.zip(selectA(session),selectB(session)).flatMap(insertC(session))
 - occur exception like this ArrayindexoutOfBoundsException:-1
 - my version is mybstis-3.5.7
 
except: BaseJdbcLogger queryStack thread safety, Thanks