{"id":4460,"date":"2024-03-14T01:30:07","date_gmt":"2024-03-14T01:30:07","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-implement-asynchronous-file-uploading-in-spring-boot\/"},"modified":"2025-07-31T08:15:39","modified_gmt":"2025-07-31T08:15:39","slug":"how-to-implement-asynchronous-file-uploading-in-spring-boot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-implement-asynchronous-file-uploading-in-spring-boot\/","title":{"rendered":"Async File Upload in Spring Boot"},"content":{"rendered":"

You can achieve asynchronous file upload in Spring Boot by using the @Async annotation. Below is a simple example code:<\/p>\n

    \n
  1. First, create a controller to handle file upload requests.<\/li>\n<\/ol>\n
    @RestController<\/span>\r\npublic<\/span> class<\/span> FileUploadController<\/span> {\r\n\r\n    @Autowired<\/span>\r\n    private<\/span> FileStorageService fileStorageService;\r\n\r\n    @PostMapping(\"\/upload\")<\/span>\r\n    public<\/span> ResponseEntity<String> uploadFile<\/span>(@RequestParam(\"file\")<\/span> MultipartFile file)<\/span> {\r\n        fileStorageService.uploadFile(file);\r\n        return<\/span> ResponseEntity.ok(\"File uploaded successfully!\"<\/span>);\r\n    }\r\n}\r\n<\/code><\/pre>\n
      \n
    1. Next, create a Service to handle file upload logic.<\/li>\n<\/ol>\n
      @Service<\/span>\r\npublic<\/span> class<\/span> FileStorageService<\/span> {\r\n\r\n    @Async<\/span>\r\n    public<\/span> void<\/span> uploadFile<\/span>(MultipartFile file)<\/span> {\r\n        \/\/ \u4e0a\u4f20\u6587\u4ef6\u7684\u903b\u8f91<\/span>\r\n        \/\/ \u8fd9\u91cc\u53ef\u4ee5\u8c03\u7528\u5176\u4ed6Service\u6216\u8005\u4f7f\u7528Spring\u63d0\u4f9b\u7684ResourceLoader\u6765\u4fdd\u5b58\u6587\u4ef6<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n
        \n
      1. Configure the thread pool in the application.properties file.<\/li>\n<\/ol>\n
        spring.task.execution.pool.core-size<\/span>=5<\/span>\r\nspring.task.execution.pool.max-size<\/span>=20<\/span>\r\nspring.task.execution.pool.queue-capacity<\/span>=100<\/span>\r\n<\/code><\/pre>\n
        In the example above, the uploadFile method will be executed asynchronously when a file upload request arrives, without blocking the main thread. This can improve the system’s ability to handle concurrency.<\/p>\n","protected":false},"excerpt":{"rendered":"
        You can achieve asynchronous file upload in Spring Boot by using the @Async annotation. Below is a simple example code: First, create a controller to handle file upload requests. @RestController public class FileUploadController { @Autowired private FileStorageService fileStorageService; @PostMapping(“\/upload”) public ResponseEntity<String> uploadFile(@RequestParam(“file”) MultipartFile file) { fileStorageService.uploadFile(file); return ResponseEntity.ok(“File uploaded successfully!”); } } Next, create a […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[491,4051,2891,2522,2577],"class_list":["post-4460","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-async","tag-async-file-upload","tag-file-upload","tag-spring-boot","tag-spring-mvc"],"yoast_head":"\nAsync File Upload in Spring Boot - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn step-by-step how to implement asynchronous file uploads in Spring Boot using @Async annotation. 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