ERROR 24940 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: org.springframework.orm.jpa.JpaSystemException: Null value was assigned to a property [class com.rainyjune.board.entity.User.loginFailCnt] of primitive type : `com.rainyjune.board.entity.User.loginFailCnt` ..
