【报错】org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBinding

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一、错误

springframework数据绑定错误：
这里写图片描述
源码如下：

org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 1 errorsField error in object 'position' on field 'professionId': rejected value [{"query_startDate":null,"query_endDate":null}]; codes [typeMismatch.position.professionId,typeMismatch.professionId,typeMismatch.java.lang.Long,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [position.professionId,professionId]; arguments []; default message [professionId]]; default message [Failed to convert property value of type [java.lang.String] to required type [java.lang.Long] for property 'professionId'; nested exception is java.lang.NumberFormatException: For input string: "{"query_startDate":null,"query_endDate":null}"]    at org.springframework.web.method.annotation.ModelAttributeMethodProcessor.resolveArgument(ModelAttributeMethodProcessor.java:113)    at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:99)    at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:161)    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:128)    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:832)    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:743)    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:961)    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)

二、原因

这里是因为前台传来的参数不对，前来传过来一个id，跟后台的参数professionId不匹配，修改前台传过来参数即可；

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