Java HTTPURLConnection缓冲区错误_Java_Android_Android Asynctask_Httpurlconnection

Java HTTPURLConnection缓冲区错误

java android

Java HTTPURLConnection缓冲区错误,java,android,android-asynctask,httpurlconnection,Java,Android,Android Asynctask,Httpurlconnection,我试图上传一张照片并将JSON字符串传递给服务器我的猜测是，我计算的内容长度不正确。但是我不确定我的数学问题在哪里有人能帮我追查我的错误吗我收到以下错误： E/PhotoUpload:错误：预期为14591字节，但收到15183字节 java.net.ProtocolException:预期为14591字节，但在收到15183字节 com.android.okhttp.internal.http.HttpConnection$fixedlingthsink.write（HttpConnec

我试图上传一张照片并将JSON字符串传递给服务器

我的猜测是，我计算的内容长度不正确。但是我不确定我的数学问题在哪里

有人能帮我追查我的错误吗

我收到以下错误：

E/PhotoUpload:错误：预期为14591字节，但收到15183字节 java.net.ProtocolException:预期为14591字节，但在收到15183字节 com.android.okhttp.internal.http.HttpConnection$fixedlingthsink.write（HttpConnection.java:311）位于com.android.okio.RealBufferedSink.flush（RealBufferedSink.java:154）在 com.android.okhttp.internal.http.HttpEngine.readResponse（HttpEngine.java:769）在 com.android.okhttp.internal.http.HttpURLConnectionImpl.execute（HttpURLConnectionImpl.java:405）在 com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse（HttpURLConnectionImpl.java:349）在 com.android.okhttp.internal.http.HttpURLConnectionImpl.getInputStream（HttpURLConnectionImpl.java:203）在 com.android.okhttp.internal.http.DelegatingHttpsURLConnection.getInputStream（DelegatingHttpsURLConnection.java:210）在 com.android.okhttp.internal.http.HttpsURLConnectionImpl.getInputStream（HttpsURLConnectionImpl.java:25）在 com.mycompany.myapp.TakePhotoActivity$BGUploadImage.doInBackground（TakePhotoActivity.java:393）在 TakePhotoActivity$BGUploadImage.doInBackground（TakePhotoActivity.java:273）在android.os.AsyncTask$2.call（AsyncTask.java:292）

公共类BGUploadImage扩展异步任务{
int maxBufferSize=1*256*1024；
int headerSize=89；
字符串URL字符串=”http://www.mywebsite.com/someapi";
int fileSize=0；
int infoSize=0；
私人互联网i；
@凌驾
受保护的void onPreExecute（）{
}
@凌驾
受保护的void onProgressUpdate（整型…值）{
}
@凌驾
受保护的整数doInBackground（字符串…文件）{
整数ret=0；
HttpURLConnection conn=null；
DataOutputStream dos=null；
DataInputStream inStream=null；
字符串exsistingFileName=文件[0]；
字符串lineEnd=“\r\n”；
字符串双连字符=“--”；
字符串边界=“------------------------------------14737809831466499882746641449”；
字符串json=JSONCalls.uploadImageJSON（thisCallKey）；
int字节读取，字节可用，缓冲区大小；
字节[]缓冲区；
试一试{
Log.i（“照片上传”，“开始上传文件：“+文件[0]）；
FileInputStream FileInputStream=newfileinputstream（新文件（exsistingFileName））；
URL=新URL（URL字符串）；
conn=（HttpURLConnection）url.openConnection（）；
conn.setDoInput（真）；
连接设置输出（真）；
conn.SETUSECHACHES（假）；
fileSize=fileInputStream.available（）；
infoSize=fileSize+headerSize+file[0].length（）；
conn.setFixedLengthStreamingMode（信息大小）；
conn.setRequestMethod（“POST”）；
conn.setRequestProperty（“连接”、“保持活动”）；
conn.setRequestProperty（“内容类型”、“多部分/表单数据；边界=“+boundary”）；
dos=新的DataOutputStream（conn.getOutputStream（））；
//JSON部分
写字节（两个连字符+边界+行结束）；
writeBytes（“内容处置：表单数据；name='params'”+lineEnd）；
dos.writeBytes（json）；
dos.writeBytes（lineEnd）；
//媒体部分
写字节（两个连字符+边界+行结束）；
writeBytes（“内容处置：表单数据；名称='UploadedFile'；文件名='”+文件[0]+“'”+行结束）；
dos.writeBytes（lineEnd）；
//创建最大大小的缓冲区
bytesAvailable=fileInputStream.available（）；
bufferSize=Math.min（字节可用，maxBufferSize）；
buffer=新字节[bufferSize]；
//读取文件并将其写入表单。。。
bytesRead=fileInputStream.read（缓冲区，0，缓冲区大小）；
int-bytesSent=0；
而（字节读取>0）{
如果（字节数>0）{
int pg=（bytesSent*100）/infoSize；
出版进度（pg）；
}
bytesSent+=缓冲区大小；
写入（缓冲区，0，缓冲区大小）；
bytesAvailable=fileInputStream.available（）；
bufferSize=Math.min（字节可用，maxBufferSize）；
bytesRead=fileInputStream.read（缓冲区，0，缓冲区大小）；
}
//发送文件数据后所需的多部分表单数据。。。
dos.writeBytes（lineEnd）；
写字节（两个连字符+边界+两个连字符+行结束）；
//合流
fileInputStream.close（）；
dos.flush（）；
dos.close（）；
}捕获（格式错误）{
 public class BGUploadImage extends AsyncTask<String, Integer, Integer> {
        int maxBufferSize = 1 * 256 * 1024;
        int headerSize = 89;
        String urlString = "http://www.mywebsite.com/someapi";
        int fileSize = 0;
        int infoSize = 0;
        private int i;


        @Override
        protected void onPreExecute() {
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
        }

        @Override
        protected Integer doInBackground(String... file) {

            Integer ret = 0;

            HttpURLConnection conn = null;
            DataOutputStream dos = null;
            DataInputStream inStream = null;

            String exsistingFileName = file[0];

            String lineEnd = "\r\n";
            String twoHyphens = "--";
            String boundary = "---------------------------14737809831466499882746641449";

            String json = JSONCalls.uploadImageJSON(thisCallKey);

            int bytesRead, bytesAvailable, bufferSize;
            byte[] buffer;

            try {
                Log.i("PhotoUpload", "Start uploading file: " + file[0]);

                FileInputStream fileInputStream = new FileInputStream(new File(exsistingFileName));

                URL url = new URL(urlString);

                conn = (HttpURLConnection) url.openConnection();
                conn.setDoInput(true);
                conn.setDoOutput(true);
                conn.setUseCaches(false);

                fileSize = fileInputStream.available();
                infoSize = fileSize + headerSize + file[0].length();
                conn.setFixedLengthStreamingMode(infoSize);
                conn.setRequestMethod("POST");
                conn.setRequestProperty("Connection", "Keep-Alive");
                conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);

                dos = new DataOutputStream(conn.getOutputStream());

                //JSON PART
                dos.writeBytes(twoHyphens + boundary + lineEnd);
                dos.writeBytes("Content-Disposition: form-data; name='params'" + lineEnd);
                dos.writeBytes(json);
                dos.writeBytes(lineEnd);

                //MEDIA PART
                dos.writeBytes(twoHyphens + boundary + lineEnd);
                dos.writeBytes("Content-Disposition: form-data;  name = 'UploadedFile'; filename = '" + file[0] + "' " + lineEnd);
                dos.writeBytes(lineEnd);

                // create a buffer of maximum size
                bytesAvailable = fileInputStream.available();
                bufferSize = Math.min(bytesAvailable, maxBufferSize);
                buffer = new byte[bufferSize];

                // read file and write it into form...
                bytesRead = fileInputStream.read(buffer, 0, bufferSize);

                int bytesSent = 0;
                while (bytesRead > 0) {
                    if (bytesSent > 0) {
                        int pg = (bytesSent * 100) / infoSize;
                        publishProgress(pg);
                    }
                    bytesSent += bufferSize;
                    dos.write(buffer, 0, bufferSize);
                    bytesAvailable = fileInputStream.available();
                    bufferSize = Math.min(bytesAvailable, maxBufferSize);
                    bytesRead = fileInputStream.read(buffer, 0, bufferSize);
                }

                // send multipart form data necesssary after file data...
                dos.writeBytes(lineEnd);
                dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

                //close streams
                fileInputStream.close();
                dos.flush();
                dos.close();

            } catch (MalformedURLException ex) {
                Log.e("PhotoUpload", "error: " + ex.getMessage(), ex);
                ret = 1;
            } catch (IOException ioe) {
                Log.e("PhotoUpload", "error: " + ioe.getMessage(), ioe);
                ret = 1;
            }

            try {
                inStream = new DataInputStream(conn.getInputStream());
                String str;

                while ((str = inStream.readLine()) != null) {
                    Log.i("PhotoUpload", "Server Response" + str);
                }
                inStream.close();
            } catch (IOException ioex) {
                Log.e("PhotoUpload", "error: " + ioex.getMessage(), ioex);
                ret = 1;
            }

            return ret;
        }

        @Override
        protected void onPostExecute(Integer r) {

        }

    }
}

// read file and write it into form...
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
int bytesSent = 0;
while (bytesRead > 0) {
    if (bytesSent > 0) {
        int pg = (bytesSent * 100) / infoSize;
        publishProgress(pg);
    }
    bytesSent += bufferSize;
    dos.write(buffer, 0, bufferSize);
    bytesAvailable = fileInputStream.available();
    bufferSize = Math.min(bytesAvailable, maxBufferSize);
    bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}

byte[] buffer = new byte[8192];
int count;
while ((count = in.read(buffer)) > 0)
{
    out,write(buffer, 0, count);
}