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I have a java code to submit long SMS to SMPP but while excecution I'm getting "length must be less than or equal to 254. Actual length is 270" error. When using a lengthy string or any arabic characters.

Can anyone help me to identify the cause and suggest me how to fix the problem.

Below is the code that I'm trying.

import java.io.IOException;

import java.util.Date;

import java.util.Random;



import org.jsmpp.InvalidResponseException;

import org.jsmpp.PDUException;

import org.jsmpp.bean.Alphabet;

import org.jsmpp.bean.BindType;

import org.jsmpp.bean.ESMClass;

import org.jsmpp.bean.GeneralDataCoding;

import org.jsmpp.bean.MessageClass;

import org.jsmpp.bean.NumberingPlanIndicator;

import org.jsmpp.bean.OptionalParameter;

import org.jsmpp.bean.OptionalParameters;

import org.jsmpp.bean.RegisteredDelivery;

import org.jsmpp.bean.SMSCDeliveryReceipt;

import org.jsmpp.bean.TypeOfNumber;

import org.jsmpp.extra.NegativeResponseException;

import org.jsmpp.extra.ResponseTimeoutException;

import org.jsmpp.session.BindParameter;

import org.jsmpp.session.SMPPSession;

import org.jsmpp.util.AbsoluteTimeFormatter;

import org.jsmpp.util.TimeFormatter;



public class SendLongSMSMessage

{

        private static TimeFormatter    timeFormatter   = new AbsoluteTimeFormatter();



    public String submitLongSMS(String MSISDN, String senderAddr, String message) throws Exception

    {

            SMPPSession session = getSession();



            String msgId = null;

            int splitSize = 135;

            int totalSize = 140;

            int totalSegments = 0;



            RegisteredDelivery registeredDelivery = new RegisteredDelivery(SMSCDeliveryReceipt.DEFAULT);



            GeneralDataCoding dataCoding = new GeneralDataCoding(false, false, MessageClass.CLASS1,

            Alphabet.ALPHA_8_BIT);

            ESMClass esmClass = new ESMClass();



            if (message != null && message.length() > totalSize)

            {

                    totalSegments = getTotalSegmentsForTextMessage(message);

            }



            Random random = new Random();

            OptionalParameter sarMsgRefNum = OptionalParameters.newSarMsgRefNum((short) random.nextInt());

            OptionalParameter sarTotalSegments = OptionalParameters.newSarTotalSegments(totalSegments);



            String segmentData = splitIntoStringArray(message, splitSize, totalSegments);



            msgId = new String[totalSegments];

            for (int i = 0, seqNum = 0; i < totalSegments; i++)

            {

                    seqNum = i + 1;

                    OptionalParameter sarSegmentSeqnum = OptionalParameters.newSarSegmentSeqnum(seqNum);

                    try

                    {       byte byteText = segmentData[i].getBytes("UTF-16BE");

                            msgId[i] = session.submitShortMessage("", TypeOfNumber.NATIONAL,

                            NumberingPlanIndicator.ISDN, "9999999999", TypeOfNumber.NATIONAL,

                            NumberingPlanIndicator.ISDN, MSISDN, esmClass, (byte) 0, (byte) 0, timeFormatter

                            .format(new Date()), null, registeredDelivery, (byte) 0, dataCoding, (byte) 0, byteText, sarMsgRefNum, sarSegmentSeqnum, sarTotalSegments);



                            System.out.println("Message id  for segment " + seqNum + " out of totalsegment "

                            + totalSegments + "is" + msgId[i]);



                    }

                    catch (PDUException e)

                    {

                            System.out.println("PDUException has occured" + e.getMessage());

                    }

                    catch (ResponseTimeoutException e)

                    {

                            System.out.println("ResponseTimeoutException has occured" + e.getMessage());

                    }

                    catch (InvalidResponseException e)

                    {

                            System.out.println("InvalidResponseException has occured" + e.getMessage());

                    }

                    catch (NegativeResponseException e)

                    {

                            System.out.println("NegativeResponseException has occured" + e.getMessage());

                    }

                    catch (IOException e)

                    {

                            System.out.println("IOException has occured" + e.getMessage());

                    }

            }

             session.unbindAndClose();

            return msgId;

    }



    private SMPPSession getSession() throws Exception

    {

            return newSession();

    }



    private SMPPSession newSession() throws Exception

    {

            BindParameter bindParam = new BindParameter(BindType.BIND_TX, "<user_name>", "<pass_word>", "tdd",

            TypeOfNumber.UNKNOWN, NumberingPlanIndicator.UNKNOWN, null);



            return new SMPPSession("17.1.1.1", 6666, bindParam);

    }



    public int getTotalSegmentsForTextMessage(String message)

    {

            int splitPos = 135;

            int totalsegments = 1;

            if (message.length() > splitPos)

            {

                    totalsegments = (message.length() / splitPos) + ((message.length() % splitPos > 0) ? 1 : 0);

            }

            return totalsegments;

    }



    public String splitIntoStringArray(String msg, int pos, int totalSegments)

    {

            String segmentData = new String[totalSegments];

            if (totalSegments > 1)

            {

                    int splitPos = pos;



                    int startIndex = 0;



                    segmentData[startIndex] = new String();

                    segmentData[startIndex] = msg.substring(startIndex, splitPos);



                    for (int i = 1; i < totalSegments; i++)

                    {

                            segmentData[i] = new String();

                            startIndex = splitPos;

                            if (msg.length() - startIndex <= pos)

                            {

                                    segmentData[i] = msg.substring(startIndex, msg.length());

                            }

                            else

                            {

                                    splitPos = startIndex + pos;

                                    segmentData[i] = msg.substring(startIndex, splitPos);

                            }

                    }

            }

            return segmentData;

    }



    public static void main(String args) throws Exception

    {

            SendLongSMSMessage slSMS = new SendLongSMSMessage();



            String message = "Tech Dive heralds the arrival of a community of Developers "

            + "who share, collaborate and exchange ideas, concepts, technical know-how. "

            + "This forum lets you take a deep dive in technical topics that are hot and happening as well as on legacy systems."

            + "The idea of the forum is to ensure collaboration amongst developers through exchange of ideas/concepts "

            + "so their technical skills are enhanced."

            + "We plan to bring in experienced professionals on board so content/blog written is authentic and precise."

            + "Come, join us and be a part of new way of collaboration!";



            String MSISDN = "9500000000";



            String senderAddr = "8500000000";



            slSMS.submitLongSMS(MSISDN, senderAddr, message);

    }

}