android–java.net.SocketException：sendto failed：ECONNRESET(由peer重置连接)

概述我尝试使用此代码连接到服务器以上传图像.try{url=newURL(requestURL);HttpURLConnectionconn=(HttpURLConnection)url.openConnection();conn.setRequestProperty("connection","close");System.setProperty("htt

我尝试使用此代码连接到服务器以上传图像.

    try {        url = new URL(requestURL);        httpURLConnection conn = (httpURLConnection) url.openConnection();        conn.setRequestProperty("connection", "close");        System.setProperty("http.keepAlive", "false");        conn.setReadTimeout(15000);        conn.setConnectTimeout(15000);        conn.setRequestMethod("POST");        conn.setDoinput(true);        conn.setDoOutput(true);        OutputStream os = conn.getoutputStream();        BuffereDWriter writer = new BuffereDWriter(                new OutputStreamWriter(os, "UTF-8"));        writer.write(getPostDataString(postDataParams));        writer.flush();        writer.close();        os.close();        int responseCode = conn.getResponseCode();        if (responseCode == httpsURLConnection.http_OK) {            BufferedReader br = new BufferedReader(new inputStreamReader(conn.getinputStream()));            sb = new StringBuilder();            String response;            while ((response = br.readline()) != null){                sb.append(response);            }        }    } catch (IOException e){        if (e.getMessage().indexOf("Connection reset by peer") > 0);    } catch (Exception e) {        e.printstacktrace();    }

我总是得到SocketException,就像上面一样.

04-26 18:53:26.091 13039-13092/kovacsdev.hu.facec W/System.err: java.net.socketException: sendto Failed: ECONNreset (Connection reset by peer)04-26 18:53:26.092 13039-13039/kovacsdev.hu.facec I/SurfaceTextureClIEnt: [STC::queueBuffer] (this:0x53cf5360) fps:45.86, dur:1002.96, max:57.77, min:1.6704-26 18:53:26.095 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.IoBrIDge.maybeThrowAfterSendto(IoBrIDge.java:550)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.IoBrIDge.sendto(IoBrIDge.java:519)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at java.net.PlainSocketImpl.write(PlainSocketImpl.java:511)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at java.net.PlainSocketImpl.access0(PlainSocketImpl.java:46)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at java.net.PlainSocketImpl$PlainSocketoutputStream.write(PlainSocketImpl.java:269)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at java.io.ByteArrayOutputStream.writeto(ByteArrayOutputStream.java:231)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.net.http.RetryableOutputStream.writetoSocket(RetryableOutputStream.java:70)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.net.http.httpEngine.readResponse(httpEngine.java:814)04-26 18:53:26.096 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.net.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:293)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.net.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:505)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at kovacsdev.hu.facec.RequestHandler.sendPostRequest(RequestHandler.java:43)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at kovacsdev.hu.facec.UploadUIUploadImage.doInBackground(UploadUI.java:108)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at kovacsdev.hu.facec.UploadUIUploadImage.doInBackground(UploadUI.java:82)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at androID.os.AsyncTask.call(AsyncTask.java:287)04-26 18:53:26.097 13039-13092/kovacsdev.hu.facec W/System.err:     at java.util.concurrent.FutureTask.run(FutureTask.java:234)04-26 18:53:26.098 13039-13092/kovacsdev.hu.facec W/System.err:     at androID.os.AsyncTask$SerialExecutor.run(AsyncTask.java:230)04-26 18:53:26.098 13039-13092/kovacsdev.hu.facec W/System.err:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)04-26 18:53:26.098 13039-13092/kovacsdev.hu.facec W/System.err:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)04-26 18:53:26.098 13039-13092/kovacsdev.hu.facec W/System.err:     at java.lang.Thread.run(Thread.java:838)04-26 18:53:26.098 13039-13092/kovacsdev.hu.facec W/System.err: Caused by: libcore.io.ErrnoException: sendto Failed: ECONNreset (Connection reset by peer)04-26 18:53:26.099 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.Posix.sendtoBytes(Native Method)04-26 18:53:26.099 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.Posix.sendto(Posix.java:151)04-26 18:53:26.100 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.BlockGuardOs.sendto(BlockGuardOs.java:177)04-26 18:53:26.100 13039-13092/kovacsdev.hu.facec W/System.err:     at libcore.io.IoBrIDge.sendto(IoBrIDge.java:517)

UploadUI在第108行包含此代码段：

String result = rh.sendPostRequest(UPLOAD_URL,data);

其中rh代表RequestHandler.它应该在sql数据库中发布图片的细节,但服务器端代码似乎有效.

解决方法:

嗨我也面临同样的问题.现在解决使用下面的代码.我希望它也会帮助你..试试….

将此代码放在onCreate()中

 @OverrIDeprotected voID onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentVIEw(R.layout.activity_upload_documents);    if (androID.os.Build.VERSION.SDK_INT > 9) {        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()                .permitAll().build();        StrictMode.setThreadPolicy(policy);    }   //Statement or Controls Declaration or your code}

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