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From "MaiZhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1594) MultipartEntity doesn't work when I set Charset for it
Date Mon, 12 Jan 2015 03:27:34 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14273188#comment-14273188

MaiZhang commented on HTTPCLIENT-1594:

Hello my friend,now I can show a test case:
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;

public class TestMime {

	public static void sendFile(){
		MultipartEntityBuilder mult = MultipartEntityBuilder.create();
		//I use a wrong token cause it's just a test.If I want to get a right token,I must login
the server,
		//it's hard to do it here.
		mult.addTextBody("k", "a_test_token");
		mult.addBinaryBody("attfile", new File("C://测试.txt"));
		//this is just a test method,if I set the carset,the server will return:{"r":10500,"d":"access_token
not found"}
		//if I don't set the charset,the server will return:{"r":10504,"d":"verify access_token
//		mult.setCharset(Charset.forName("UTF-8"));
		HttpClient httpclient = new DefaultHttpClient();

		InputStream is = null;
		HttpPost request = new HttpPost("http://m0.mail.sina.com.cn/api/upload.php");
		HttpParams params = new BasicHttpParams();
		HttpProtocolParams.setUserAgent(httpclient.getParams(), "SMail/1.0.3");  //设置代理
		String result = "";

		try {
			HttpResponse httpResponse = httpclient.execute(request);

			if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				is = httpResponse.getEntity().getContent();
				result = inStream2String(is);

		} catch (Exception e) {
	private static String inStream2String(InputStream is) throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		byte[] buf = new byte[1024];
		int len = -1;
		while ((len = is.read(buf)) != -1) {
			baos.write(buf, 0, len);
		return new String(baos.toByteArray(), "utf-8");

	public static void main(String[] args){

these are the jars I used:

If I don't set the charset,the server will receive the token and check it;but if I set the
charset the server will not receive the token.

> MultipartEntity doesn't work when I set Charset for it
> ------------------------------------------------------
>                 Key: HTTPCLIENT-1594
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1594
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpMime
>    Affects Versions: 4.2.6
>         Environment: Client info: Android,Sumsung note3
> Server info: php server
>            Reporter: MaiZhang
>              Labels: features
> I need upload files to my server,but the file name maybe Chinese.So I want to set charset
to MultipartEntity,cuz its default charset is US-ASCII,the file name be sended to server looks
like "?????.txt" eg. .But, when I set UTF-8 to it,the server can't get any data.
> MultipartEntity mult = new MultipartEntity();
> 			mult.addPart("k", new StringBody(getAccessToken().getAccessToken()));
> 			mult.addPart("attfile", new FileBody(new File(entity.getFilePath())));
> This  code works well,but::::::
> MultipartEntity mult = new MultipartEntity(null,null,Charset.forName("UTF-8"));
> 			mult.addPart("k", new StringBody(getAccessToken().getAccessToken()));
> 			mult.addPart("attfile", new FileBody(new File(entity.getFilePath())));
> can't post data to server,it's too strange!!!
> AND!!!!!!!
> if I use 
> MultipartEntity mult = new MultipartEntity(); 
> this way and  set breakpoint at the second line,and change the value of multipart-charset-canonicalName
to "UTF-8",the server will get the right file name,I think if I set charset to a MultipartEntity
object,it will not work.
> And, I tested httpmime4.3.x,by MultipartEntityBuilder,it doesn't work too.

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