spring boot文件上传失败 SizeLimitExceededException 文件上传失败 前端报错 net::ERR_CONNECTION_RESET后端报错 org.apache.tomcat.util.http.fileupload.impl.SizeLimitExceededException: the request was rejected because its size (xxxxxx) exceeds the configured maximum (xxxxxx) 解决方案 配置文件 application.yml spring: servlet: multipart: max-file-size: 100MB max-request-size: 200MB JAVA配置 @Bean public MultipartConfigElement multipartConfigElement() { long maxFileSize = 100l; long maxRequestSize = 200l; MultipartConfigFactory factory = new MultipartConfigFactory(); factory.setMaxFileSize(DataSize.of(maxFileSize ,MEGABYTES)); factory.setMaxRequestSize(DataSize.of(maxRequestSize ,MEGABYTES)); return factory.createMultipartConfig(); }