【问题标题】:the request was rejected because no multipart boundary was found java请求被拒绝,因为没有找到多部分边界 java
【发布时间】:2020-11-21 05:06:53
【问题描述】:

我正在开发文件上传功能。为此,我有一个 Spring Boot Web 服务,并且客户端是有角度的。

网络服务:-

    @PostMapping(value = "/sendmails", headers = "content-type=multipart/*", consumes = "application/*")
    public ResponseEntity<String> sendEmails(@RequestParam("data") MultipartFile reapExcelDataFile) {
    
        return new ResponseEntity("Success", HttpStatus.OK);
    }

用户界面:-

postFile(fileToUpload: File): Observable<boolean> {
  const endpoint = 'http://localhost:8080/sendmails';
debugger;
  let config =  {headers: new  HttpHeaders({ 'Content-Type': 'multipart/form-data'})};
  const formData: FormData = new FormData();
  formData.append('data', fileToUpload);
  return this.httpClient.post(endpoint, formData, config)
    .pipe(map(() => { return true; }));
}

错误:-

2020-07-31 16:13:19.644 错误 13144 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] :Servlet.service() for 带有路径 [] 的上下文中的 servlet [dispatcherServlet] 引发异常 [请求处理失败;嵌套异常是 org.springframework.web.multipart.MultipartException:解析失败 多部分 servlet 请求;嵌套异常是 java.io.IOException: org.apache.tomcat.util.http.fileupload.FileUploadException: 请求被拒绝,因为没有找到多部分边界] 根本原因

org.apache.tomcat.util.http.fileupload.FileUploadException: 请求被拒绝,因为在 org.apache.tomcat.util.http.fileupload.FileUploadBase$FileItemIteratorImpl.(FileUploadBase.java:834) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.tomcat.util.http.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:256) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.tomcat.util.http.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:280) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.connector.Request.parseParts(Request.java:2881) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.connector.Request.parseParameters(Request.java:3214) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.connector.Request.getParameter(Request.java:1116) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:381) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:84) ~[spring-web-5.1.8.RELEASE.jar:5.1.8.RELEASE] 在 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:109) ~[spring-web-5.1.8.RELEASE.jar:5.1.8.RELEASE] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.1.8.RELEASE.jar:5.1.8.RELEASE] 在 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:109) ~[spring-web-5.1.8.RELEASE.jar:5.1.8.RELEASE] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:853) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_251] 在 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_251] 在 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.21.jar:9.0.21] 在 java.lang.Thread.run(Thread.java:748) [na:1.8.0_251]

如果我删除文件并给出一个字符串,那么调用就会进行。可能是什么问题。

【问题讨论】:

标签: java spring file


【解决方案1】:

问题是我自己设置Content-Type,让它为空。谷歌浏览器会为我做这件事。多部分Content-Type 需要知道文件边界,当您删除Content-Type 时,Postman 会自动为您完成。

【讨论】:

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