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  1. #1
    kuguy is offline Member
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    Default Software caused connection abort: socket write error

    Hi all,

    I have that "Software caused connection abort: socket write error" exception error that i've never meet before.

    Basically what im trying to do is the following:
    - a client connect to a server using sslsocket.
    - server receive the connection and reply with the first part of the data and keep the connection open.
    - then client receive the reply and request for another data using the same socket connection
    - then server receive the next request and reply with the second part of the data and close the connection when the loop is finish.

    what im trying to do is actually to chunk the download size. consider I need to download a 20MB of data from the server, using a single request is fine, but client have to wait for sometime until all the data is downloaded. so im trying to chunk the data into several part, and the server will send the chunk of data one by one. so the moment client receive the first part of the data, it will display it directly and at the same time will process the next data.

    creating a new socket request for each chunk of data will be slow since it has to keep open and close the socket to server several times.

    so in short, im trying to utilize one socket connection to do several data communication between client and server.
    can you help point out what i did wrong in doing this..? or a link to any site providing example in doing this..?

    Thanking you in advance for your help and sorry for the length of the post.. :)


    //server side
    GZIPOutputStream gos = new GZIPOutputStream(child.getOutputStream());
    GZIPInputStream gis = new GZIPInputStream(child.getInputStream());
    ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(gos,48000));
    ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(gis,48000));

    out.writeObject( passRequest( obj ) );
    out.flush();
    gos.finish();
    String sDate, eDate;

    do{
    gis = new GZIPInputStream(child.getInputStream());
    in = new ObjectInputStream(new BufferedInputStream(gis,48000));
    obj=in.readObject();

    Vector<String> dates = (Vector<String>) ((CRequest) obj)
    .getInfo();
    String start = dates.get(0);
    String end = dates.get(1);
    SimpleDateFormat sdf = new SimpleDateFormat(
    "MMM dd, yyyy hh:mm:ss a");
    SimpleDateFormat sdf3 = new SimpleDateFormat(
    "yyyy-MM-dd HH:mm:ss");

    Date startD = null;
    Date endD = null;

    try {
    startD = sdf.parse(start);
    endD = sdf.parse(end);
    } catch (ParseException e1) {

    e1.printStackTrace();
    }
    sDate = sdf3.format(startD);
    eDate = sdf3.format(endD);
    gos = new GZIPOutputStream(child.getOutputStream());
    out = new ObjectOutputStream(new BufferedOutputStream(gos,48000));
    out.writeObject( passRequest( obj ) );
    out.flush();
    gos.finish();

    }while(!sDate.equals(eDate));



    //client side

    sslFact = (SSLSocketFactory) SSLSocketFactory
    .getDefault();
    server = (SSLSocket) sslFact.createSocket(ip, port);
    server.setEnabledCipherSuites(set);
    server.setReceiveBufferSize(48000);
    server.setSendBufferSize(48000);

    Date currentEnd = GlobalMethods.sDate;
    Date currentStart;
    long period = 1000*60*60*6; //6 hours
    long endTime = GlobalMethods.eDate.getTime();

    //request splitted historical time until end date is reached
    //if currentStart and currentEnd are equals, so it's the last request
    while(currentEnd.getTime() < endTime){

    currentStart = currentEnd;
    long nextPeriod = currentStart.getTime() + period;
    if(nextPeriod < endTime)
    currentEnd = new Date(nextPeriod);
    else
    currentEnd = new Date(endTime);

    dates.clear();
    dates.add(currentStart.toLocaleString());
    dates.add(currentEnd.toLocaleString());

    creq = new CRequest(Activator.cookie,
    RequestConstants.CMC_REQUEST_DATA, segment, dates,
    ip, port);
    gos = new GZIPOutputStream(server.getOutputStream());
    out = new ObjectOutputStream(new BufferedOutputStream(gos, 48000));
    // /* Can we actually send ourselves and then receive ourselves?*/
    out.writeObject(creq);
    out.flush();
    gos.finish();
    gis = new GZIPInputStream(server.getInputStream());
    in = new ObjectInputStream(new BufferedInputStream(gis, 48000));
    /* Returning the newly modified request with results */
    final CRequest received = (CRequest) in.readObject();

    PlatformUI.getWorkbench().getDisplay().asyncExec(
    new Runnable() {
    public void run() {
    pref.processData((GeneralDataObj) received
    .getInfo());
    }
    });
    }




    //server log error :

    javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLException:

    java.net.SocketException: Software caused connection abort: socket write error
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.checkEO F(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.checkWr ite(Unknown Source)
    at com.sun.net.ssl.internal.ssl.AppOutputStream.write (Unknown Source)
    at java.util.zip.DeflaterOutputStream.deflate(Unknown Source)
    at java.util.zip.DeflaterOutputStream.write(Unknown Source)
    at java.util.zip.GZIPOutputStream.write(Unknown Source)
    at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
    at java.io.BufferedOutputStream.write(Unknown Source)
    at java.io.ObjectOutputStream$BlockDataOutputStream.d rain(Unknown Source)
    at java.io.ObjectOutputStream$BlockDataOutputStream.s etBlockDataMode(Unknown

    Source)
    at java.io.ObjectOutputStream.writeNonProxyDesc(Unkno wn Source)
    at java.io.ObjectOutputStream.writeClassDesc(Unknown Source)
    at java.io.ObjectOutputStream.writeOrdinaryObject(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.writeFatalException(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject(Unknown Source)
    at com.inetmon.jn.server.SessionManager.run(SessionMa nager.java:153)
    Caused by: javax.net.ssl.SSLException: java.net.SocketException: Software caused

    connection abort: socket write error
    at com.sun.net.ssl.internal.ssl.Alerts.getSSLExceptio n(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(U nknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(U nknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleE xception(Unknown Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleE xception(Unknown Source)
    at com.sun.net.ssl.internal.ssl.AppOutputStream.write (Unknown Source)
    at java.util.zip.DeflaterOutputStream.deflate(Unknown Source)
    at java.util.zip.DeflaterOutputStream.write(Unknown Source)
    at java.util.zip.GZIPOutputStream.write(Unknown Source)
    at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
    at java.io.BufferedOutputStream.write(Unknown Source)
    at java.io.ObjectOutputStream$BlockDataOutputStream.d rain(Unknown Source)
    at java.io.ObjectOutputStream$BlockDataOutputStream.w rite(Unknown Source)
    at java.io.ObjectOutputStream.defaultWriteFields(Unkn own Source)
    at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
    at java.io.ObjectOutputStream.writeOrdinaryObject(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.writeArray(Unknown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.defaultWriteFields(Unkn own Source)
    at java.io.ObjectOutputStream.defaultWriteObject(Unkn own Source)
    at java.util.Vector.writeObject(Unknown Source)
    at sun.reflect.GeneratedMethodAccessor1.invoke(Unknow n Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at java.io.ObjectStreamClass.invokeWriteObject(Unknow n Source)
    at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
    at java.io.ObjectOutputStream.writeOrdinaryObject(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.defaultWriteFields(Unkn own Source)
    at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
    at java.io.ObjectOutputStream.writeOrdinaryObject(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    at java.io.ObjectOutputStream.defaultWriteFields(Unkn own Source)
    at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
    at java.io.ObjectOutputStream.writeOrdinaryObject(Unk nown Source)
    at java.io.ObjectOutputStream.writeObject0(Unknown Source)
    ... 2 more
    Caused by: java.net.SocketException: Software caused connection abort: socket write error
    at java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.net.SocketOutputStream.socketWrite(Unknown Source)
    at java.net.SocketOutputStream.write(Unknown Source)
    at com.sun.net.ssl.internal.ssl.OutputRecord.writeBuf fer(Unknown Source)
    at com.sun.net.ssl.internal.ssl.OutputRecord.write(Un known Source)
    at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRe cord(Unknown Source)
    ... 34 more

  2. #2
    Eranga's Avatar
    Eranga is offline Moderator
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    Default

    Normally this error is occurred when you try to write some data from one end and at that time connection of the other side is closed. Debug and check what's going on there.

  3. #3
    Maulin is offline Member
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    Default

    One possible issue could be postdata limit set on webserver (apache/IIS).

    Please check Java Junction: HttpClient SocketException

  4. #4
    Eranga's Avatar
    Eranga is offline Moderator
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