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问题描述
我想写一个简单的球衣2客户端来上传一个文件。我使用的是泽西岛2.10.1并且写下面的服务器代码： $ $ p $ $ b $ @POST @Consumes（MediaType.MULTIPART_FORM_DATA ） @Produces（MediaType.APPLICATION_JSON） public Response uploadFile（ @FormDataParam（file）InputStream aUploadedInputStream， @FormDataParam（file）FormDataContentDisposition aFileDetail）{ UploadedFile uploadedFile = new UploadedFile（）; uploadedFile.setOriginalFileName（aFileDetail.getFileName（））; uploadedFile.setFileSize（aFileDetail.getSize（））; saveToFile（aUploadedInputStream，aFileDetail.getType（），uploadedFile）; databaseHelper.saveInDatabase（uploadedFile）; return Response.status（200）.build（）;
（UploadedFile是一个自定义类，用于保存文件的信息一个数据库）
这是我的客户端代码：
private static final String TARGET_URL =http：// localhost：49158 / rest / service / upload; $ b公共Slimclient（）{客户端客户端= ClientBuilder.newBuilder（） .register（MultiPartFeature.class）.build（）; WebTarget webTarget = client.target（TARGET_URL）; MultiPart multiPart = new MultiPart（）; FileDataBodyPart fileDataBodyPart = new FileDataBodyPart（file， new File（C：/Users/Nicklas2751/Desktop/test.txt），MediaType.APPLICATION_OCTET_STREAM_TYPE）; multiPart.bodyPart（fileDataBodyPart）; 响应响应= webTarget.request（ MediaType.MULTIPART_FORM_DATA）.post（ Entity.entity（multiPart，multiPart.getMediaType（）））; System.out.println（response.getStatus（）++ response.getStatusInfo（）++ response）; public static void main（String [] args）{ new Slimclient（）; $ / code>服务器代码运行没有任何问题，但是当我运行客户端时，以下错误：
415不受支持的媒体类型InboundJaxrsResponse {ClientResponse {method = POST，uri = http：// localhost：49158 / rest / service / upload，status = 415，reason = Unsupported Media Type}}一个很好的教程泽西2和multipart文件上传，但我只能找到教程和示例球衣1或HTML表单作为客户端。我希望sombody能帮助我：）解决方案
我发现我的问题。我错过了设置 MultiPart 的 MediaType 和 .request（MediaType .MULTIPART_FORM_DATA）我已经将预期的 MediaType 设置为 MULTIPART_FORM_DATA 。这里是工作代码： pre $ public class Slimclient { private static final String TARGET_URL =http：// localhost ：49158 / REST /服务/上传; $ b公共Slimclient（）{客户端客户端= ClientBuilder.newBuilder（） .register（MultiPartFeature.class）.build（）; WebTarget webTarget = client.target（TARGET_URL）; MultiPart multiPart = new MultiPart（）; multiPart.setMediaType（MediaType.MULTIPART_FORM_DATA_TYPE）; FileDataBodyPart fileDataBodyPart = new FileDataBodyPart（file， new File（C：/Users/Nicklas/Desktop/aab.txt）， MediaType.APPLICATION_OCTET_STREAM_TYPE）; multiPart.bodyPart（fileDataBodyPart）; 响应响应= webTarget.request（MediaType.APPLICATION_JSON_TYPE） .post（Entity.entity（multiPart，multiPart.getMediaType（）））; System.out.println（response.getStatus（）+ + response.getStatusInfo（）++ response）; public static void main（String [] args）{ new Slimclient（）; } }
I want to write a simple jersey 2 client to upload a file. I'm using Jersey 2.10.1 and wrote following server code:
@POST @Consumes(MediaType.MULTIPART_FORM_DATA) @Produces(MediaType.APPLICATION_JSON) public Response uploadFile( @FormDataParam("file") InputStream aUploadedInputStream, @FormDataParam("file") FormDataContentDisposition aFileDetail) { UploadedFile uploadedFile = new UploadedFile(); uploadedFile.setOriginalFileName(aFileDetail.getFileName()); uploadedFile.setFileSize(aFileDetail.getSize()); saveToFile(aUploadedInputStream, aFileDetail.getType(), uploadedFile); databaseHelper.saveInDatabase(uploadedFile); return Response.status(200).build(); }("UploadedFile" is an custom class to save the information of the file in a database)
And this is my client code:
private static final String TARGET_URL = "localhost:49158/rest/service/upload"; public Slimclient() { Client client = ClientBuilder.newBuilder() .register(MultiPartFeature.class).build(); WebTarget webTarget = client.target(TARGET_URL); MultiPart multiPart = new MultiPart(); FileDataBodyPart fileDataBodyPart = new FileDataBodyPart("file", new File("C:/Users/Nicklas2751/Desktop/test.txt"), MediaType.APPLICATION_OCTET_STREAM_TYPE); multiPart.bodyPart(fileDataBodyPart); Response response = webTarget.request( MediaType.MULTIPART_FORM_DATA).post( Entity.entity(multiPart, multiPart.getMediaType())); System.out.println(response.getStatus()+" "+response.getStatusInfo()+" "+response); } public static void main(String[] args) { new Slimclient(); }The server code runs without any problems but when i run the client i get the following error:
415 Unsupported Media Type InboundJaxrsResponse{ClientResponse{method=POST, uri=localhost:49158/rest/service/upload, status=415, reason=Unsupported Media Type}}I searched the web for a good tutorial for jersey 2 and multipart fileupload but i can only find tutorials and examples for jersey 1 or with an HTML-Form as "Client". I hope sombody can help me :)
解决方案I've found my problem. I've missed to set the MediaType of the MultiPart and with the .request(MediaType.MULTIPART_FORM_DATA) I've set the expected MediaType of the response to MULTIPART_FORM_DATA. Here is the working code:
public class Slimclient { private static final String TARGET_URL = "localhost:49158/rest/service/upload"; public Slimclient() { Client client = ClientBuilder.newBuilder() .register(MultiPartFeature.class).build(); WebTarget webTarget = client.target(TARGET_URL); MultiPart multiPart = new MultiPart(); multiPart.setMediaType(MediaType.MULTIPART_FORM_DATA_TYPE); FileDataBodyPart fileDataBodyPart = new FileDataBodyPart("file", new File("C:/Users/Nicklas/Desktop/aab.txt"), MediaType.APPLICATION_OCTET_STREAM_TYPE); multiPart.bodyPart(fileDataBodyPart); Response response = webTarget.request(MediaType.APPLICATION_JSON_TYPE) .post(Entity.entity(multiPart, multiPart.getMediaType())); System.out.println(response.getStatus() + " " + response.getStatusInfo() + " " + response); } public static void main(String[] args) { new Slimclient(); } }
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泽西岛2分段上传客户端
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