输入正文org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 4 errors

Field error in object 'insertLeaveForm' on field 'end': rejected value [null]; codes [NotBlank.insertLeaveForm.end,NotBlank.end,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [insertLeaveForm.end,end]; arguments []; default message [end]]; default message [end不能为空]

Field error in object 'insertLeaveForm' on field 'type': rejected value [null]; codes [NotNull.insertLeaveForm.type,NotNull.type,NotNull.java.lang.Byte,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [insertLeaveForm.type,type]; arguments []; default message [type]]; default message [type不能为空]

Field error in object 'insertLeaveForm' on field 'reason': rejected value [null]; codes [NotBlank.insertLeaveForm.reason,NotBlank.reason,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [insertLeaveForm.reason,reason]; arguments []; default message [reason]]; default message [reason不能为空]

Field error in object 'insertLeaveForm' on field 'start': rejected value [null]; codes [NotBlank.insertLeaveForm.start,NotBlank.start,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [insertLeaveForm.start,start]; arguments []; default message [start]]; default message [start不能为空]

at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:172)

at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121)

at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:170)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:894)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)

at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1063)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)

at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)