[Java知识库]SpringBoot文件上传报错 errorHandler:org.springframework.web.multipart.MaxUploadSizeExceededException:

一、错误原因：文件大小超过SpringBoot的默认限制

二、解决方案：修改配置

spring:
  servlet:
    multipart:
      # 最大支持文件大小
      max-file-size: 100MB
      # 最大支持请求大小
      max-request-size: 100MB

三、错误展示

3.1、服务端错误打印

errorHandler:org.springframework.web.multipart.MaxUploadSizeExceededException: Maximum upload size exceeded; nested exception is java.lang.IllegalStateException: org.apache.tomcat.util.http.fileupload.impl.SizeLimitExceededException: the request was rejected because its size (14983238) exceeds the configured maximum (10485760)

3.2、postman错误

{
    "code": 9001,
    "msg": "请求处理失败!",
    "data": "Maximum upload size exceeded; nested exception is java.lang.IllegalStateException: org.apache.tomcat.util.http.fileupload.impl.SizeLimitExceededException: the request was rejected because its size (14983238) exceeds the configured maximum (10485760)"
}

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