Handling multiple EDI transaction

Hi,
We are getting multiple EDI transactions (940, 850 etc) from our customer. I have defined one Sender Agreement with service interface as functional acknowledgment and one each for EDI transactions (with service interface 940 and service interface 850 etc) in the same configuration scenario.
There wil be only one communication channel to receive all the EDI files. My problem is whenever I send the EDI 850 transaction it is taking the service interface of 940. Because of that it is executing the 940 interface map instead of 850!!!
Am I doing any wrong in my configuration? When I test the data in test tab of configuration scenario, it is taking the correct service interface, but it is not happening in the run time... I cleared the cache also.. still no luck...
Can someone please help me in this? Please guide me if I am doing any wrong.
Regards,
Vas

Hi,
I assume that you are using Seeburger for EDI data handlings..if yes
sender interface details for the payload (850,940) will be determined from the seeburger workbench configurations ..
after bic mapping execution it will result in two doucments one with FunctionalAck and other with attachement(payload..can be 850 or 940) based on this attachment name will compare with the entries of seeburger workbench and fetches the sender details and based on this receiver will be identified...
Hope this gives you need info..
Regards
Rajesh

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Can OWB handle EDI transaction sets?

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Hi Chris,
Forgive my ignorance on the exact specs for the EDI transaction, however if this is a file format I'm pretty sure there are control file examples out there... And if you can load it with SQL Loader I would assume you can do the same thing with OWB.
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How to handle multiple save exceptions (Bulk Collect)

Hi
How to handle Multiple Save exceptions? Is it possible to rollback to first deletion(of child table) took place in the procedure.
There are 3 tables
txn_header_interface(Grand Parent)
orders(parent)
order_items (Child)
One transaction can have one or multiple orders in it.
and one orders can have one or multiple order_items in it.
We need to delete the data from child table first then its parent and then from the grand parent table.if some error occurs anywhere I need to rollback to child record deletion. Since there is flag in child table which tells us when to delete data from database.
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FORALL i IN ABC.FIRST..ABC.LAST SAVE EXCEPTIONS A
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CREATE OR REPLACE
PROCEDURE DELETE_CONFIRMED_DATA IS
TYPE TXN_HDR_INFC_ID IS TABLE OF TXN_HEADER_INTERFACE.ID%TYPE;
TXN_HDR_INFC_ID_ARRAY TXN_HDR_INFC_ID;
ERROR_COUNT NUMBER;
BULK_ERRORS EXCEPTION;
PRAGMA exception_init(bulk_errors, -24381);
BEGIN
SELECT THI.ID BULK COLLECT
INTO TXN_HDR_INFC_ID_ARRAY
FROM TXN_HEADER_INTERFACE THI,ORDERS OS,ORDER_ITEMS OI
WHERE THI.ID = OS.TXN_HDR_INFC_ID
AND OS.ID = OI.ORDERS_ID
AND OI.POSTING_ITEM_ID = VPI.ID
OI.DW_STATUS_FLAG =4 --data is moved to Datawarehouse
MINUS
(SELECT THI.ID FROM TXN_HEADER_INTERFACE THI,ORDERS OS,ORDER_ITEMS OI
WHERE THI.ID = OS.TXN_HDR_INFC_ID
AND OS.ID = OI.ORDERS_ID
OI.DW_STATUS_FLAG !=4);
IF SQL%NOTFOUND
THEN
EXIT;
END IF;
FORALL i IN TXN_HDR_INFC_ID_ARRAY.FIRST..TXN_HDR_INFC_ID_ARRAY.LAST SAVE
EXCEPTIONS
DELETE FROM ORDER_ITEMS OI
WHERE OI.ID IN (SELECT OI.ID FROM ORDER_ITEMS OI,ORDERS
OS,TXN_HEADER_INTERFACE THI
WHERE OS.ID = OI.ORDERS_ID
AND OS.TXN_HDR_INFC_ID = THI.ID
AND THI.ID = TXN_HDR_INFC_ID_ARRAY(i));
FORALL i IN TXN_HDR_INFC_ID_ARRAY.FIRST..TXN_HDR_INFC_ID_ARRAY.LAST SAVE
EXCEPTIONS
DELETE FROM ORDERS OS
WHERE OS.ID IN (SELECT OS.ID FROM ORDERS OS,TXN_HEADER_INTERFACE THI
WHERE OS.TXN_HDR_INFC_ID = THI.ID
AND THI.ID = TXN_HDR_INFC_ID_ARRAY(i));
FORALL i IN TXN_HDR_INFC_ID_ARRAY.FIRST..TXN_HDR_INFC_ID_ARRAY.LAST SAVE
EXCEPTIONS
DELETE FROM TXN_HEADER_INTERFACE THI
WHERE THI.ID = TXN_HDR_INFC_ID_ARRAY(i);
COMMIT;
DBMS_OUTPUT.PUT_LINE(TO_CHAR(SYSDATE, 'DD-MON-YY HH:MIPM')||':
DELETE_CONFIRMED_DATA: INFO:DELETION SUCCESSFUL');
EXCEPTION
WHEN OTHERS THEN
ERROR_COUNT := SQL%BULK_EXCEPTIONS.COUNT;
DBMS_OUTPUT.PUT_LINE(TO_CHAR(SYSDATE, 'DD-MON-YY HH:MIPM')||':
DELETE_CONFIRMED_DATA: ERROR:Number of errors is ' ||ERROR_COUNT);
FOR indx IN 1..ERROR_COUNT LOOP
DBMS_OUTPUT.PUT_LINE('Error ' || indx || 'occurred during
'||'iteration'||SQL%BULK_EXCEPTIONS(indx).ERROR_INDEX);
DBMS_OUTPUT.PUT_LINE('Error is '
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END LOOP;
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Any suggestion would be of great help.
Thanks in advance
Anu

If you have one or two places in your code that need multiple exceptions, just do it with multiple catch statements. Unless you are trying to write the most compact Programming 101 homework program, inventing tricks to remove two lines of code is not good use of your time.
If you have multiple catches all over your code it could be a code smell. You may have too much stuff happening inside one try statement. It becomes hard to know what method call throws one of those exceptions, and you end up handling an exception from some else piece of code than what you intended. E.g. you mention NumberFormatException -- only process one user input inside that try/catch so it is easy to see what error message is given if that particular input is gunk. The next step of processing goes inside its own try/catch.
In my case, the ArrayIndexOutOfBoundsException and
NumberFormatException should be handled by the same way.Why?
I don't think I have ever seen an ArrayIndexOutOfBoundsException that didn't indicate a bug in the code. Instead of an AIOOBE perhaps there should be an if statement somewhere that prevents it, or the algorithm logic should prevent it automatically.

How can we handle multiple applications in session method

how can we handle multiple applications in .. session method.
can any body reply me.
thanks

Hari,
hi Check out this sample code to use session method
REPORT ztest_report
NO STANDARD PAGE HEADING
                        LINE-SIZE 255
                        MESSAGE-ID ZRASH.
                Internal Table Declarations                          *
*--Internal Table for Data Uploading.
DATA : BEGIN OF IT_FFCUST OCCURS 0,
         KUNNR(10),
         BUKRS(4),
         KTOKD(4),
         ANRED(15),
         NAME1(35),
         SORTL(10),
         STRAS(35),
         ORT01(35),
         PSTLZ(10),
         LAND1(3),
         SPRAS(2),
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DATA : BEGIN OF IT_ERRCUST OCCURS 0,
         KUNNR(10),
         EMSG(255),
       END OF IT_ERRCUST.
*--Internal Table to Store Successful Records.
DATA : BEGIN OF IT_SUCCUST OCCURS 0,
         KUNNR(10),
         SMSG(255),
       END OF IT_SUCCUST.
*--Internal Table for Storing the BDC data.
DATA : IT_CUSTBDC LIKE BDCDATA OCCURS 0 WITH HEADER LINE.
*--Internal Table for storing the messages.
DATA : IT_CUSTMSG LIKE BDCMSGCOLL OCCURS 0 WITH HEADER LINE.
DATA : V_FLAG1(1) VALUE ' ',
"Flag used for opening session.
       V_TLINES LIKE SY-TABIX,
       "For storing total records processed.
       V_ELINES LIKE SY-TABIX,
       "For storing the no of error records.
       V_SLINES LIKE SY-TABIX.
       "For storing the no of success records.
         Selection screen                                            *
SELECTION-SCREEN BEGIN OF BLOCK B1.
PARAMETERS : V_FNAME LIKE RLGRAP-FILENAME,
             V_SESNAM LIKE RLGRAP-FILENAME.
SELECTION-SCREEN END OF BLOCK B1.
         Start-of-selection                                          *
START-OF-SELECTION.
*-- Form to upload flatfile data into the internal table.
PERFORM FORM_UPLOADFF.
       TOP-OF-PAGE                                                   *
TOP-OF-PAGE.
WRITE:/ 'Details of the error and success records for the transaction'
ULINE.
SKIP.
         End of Selection                                            *
END-OF-SELECTION.
*-- Form to Generate a BDC from the Uploaded Internal table
PERFORM FORM_BDCGENERATE.
*--To write the totals and the session name.
PERFORM FORM_WRITEOP.
*&      Form form_uploadff
    Form to upload flatfile data into the internal table.
FORM FORM_UPLOADFF .
*--Variable to change the type of the parameter file name.
DATA : LV_FILE TYPE STRING.
LV_FILE = V_FNAME.
*--Function to upload the flat file to the internal table.
CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      FILENAME                      = LV_FILE
    FILETYPE                      = 'ASC'
      HAS_FIELD_SEPARATOR           = 'X'
    HEADER_LENGTH                 = 0
    READ_BY_LINE                  = 'X'
    DAT_MODE                      = ' '
IMPORTING
    FILELENGTH                    =
    HEADER                        =
    TABLES
      DATA_TAB                      = IT_FFCUST
    EXCEPTIONS
      FILE_OPEN_ERROR               = 1
      FILE_READ_ERROR               = 2
      NO_BATCH                      = 3
      GUI_REFUSE_FILETRANSFER       = 4
      INVALID_TYPE                  = 5
      NO_AUTHORITY                  = 6
      UNKNOWN_ERROR                 = 7
      BAD_DATA_FORMAT               = 8
      HEADER_NOT_ALLOWED            = 9
      SEPARATOR_NOT_ALLOWED         = 10
      HEADER_TOO_LONG               = 11
      UNKNOWN_DP_ERROR              = 12
      ACCESS_DENIED                 = 13
      DP_OUT_OF_MEMORY              = 14
      DISK_FULL                     = 15
      DP_TIMEOUT                    = 16
      OTHERS                        = 17
IF SY-SUBRC = 0.
*--Deleting the headings from the internal table.
    DELETE IT_FFCUST INDEX 1.
*--Getting the total number of records uploaded.
    DESCRIBE TABLE IT_FFCUST LINES V_TLINES.
ENDIF.
ENDFORM.                    " form_uploadff
*&      Form Form_bdcgenerate
    Form to Generate a BDC from the Uploaded Internal table
FORM FORM_BDCGENERATE .
*--Generating the BDC table for the fields of the internal table.
LOOP AT IT_FFCUST.
    PERFORM POPULATEBDC USING :
                                'X' 'SAPMF02D' '0105',
                                ' ' 'BDC_OKCODE' '/00' ,
                                ' ' 'RF02D-KUNNR' IT_FFCUST-KUNNR,
                                ' ' 'RF02D-BUKRS' IT_FFCUST-BUKRS,
                                ' ' 'RF02D-KTOKD' IT_FFCUST-KTOKD,
                                'X' 'SAPMF02D' '0110' ,
                                ' ' 'BDC_OKCODE' '/00',
                                ' ' 'KNA1-ANRED' IT_FFCUST-ANRED,
                                ' ' 'KNA1-NAME1' IT_FFCUST-NAME1,
                                ' ' 'KNA1-SORTL' IT_FFCUST-SORTL,
                                ' ' 'KNA1-STRAS' IT_FFCUST-STRAS,
                                ' ' 'KNA1-ORT01' IT_FFCUST-ORT01,
                                ' ' 'KNA1-PSTLZ' IT_FFCUST-PSTLZ,
                                ' ' 'KNA1-LAND1' IT_FFCUST-LAND1,
                                ' ' 'KNA1-SPRAS' IT_FFCUST-SPRAS,
                                'X' 'SAPMFO2D' '0120',
                                ' ' 'BDC_OKCODE' '/00',
                                'X' 'SAPMF02D' '0125',
                                ' ' 'BDC_OKCODE' '/00',
                                'X' 'SAPMF02D' '0130',
                                ' ' 'BDC_OKCODE' '=ENTR',
                                'X' 'SAPMF02D' '0340',
                                ' ' 'BDC_OKCODE' '=ENTR',
                                'X' 'SAPMF02D' '0360',
                                ' ' 'BDC_OKCODE' '=ENTR',
                                'X' 'SAPMF02D' '0210',
                                ' ' 'KNB1-AKONT' IT_FFCUST-AKONT,
                                ' ' 'BDC_OKCODE' '/00',
                                'X' 'SAPMF02D' '0215',
                                ' ' 'BDC_OKCODE' '/00',
                                'X' 'SAPMF02D' '0220',
                                ' ' 'BDC_OKCODE' '/00',
                                'X' 'SAPMF02D' '0230',
                                ' ' 'BDC_OKCODE' '=UPDA'.
*--Calling the transaction 'fd01'.
    CALL TRANSACTION 'FD01' USING IT_CUSTBDC MODE 'N' UPDATE 'S'
    MESSAGES INTO IT_CUSTMSG.
    IF SY-SUBRC <> 0.
*--Populating the error records internal table.
      IT_ERRCUST-KUNNR = IT_FFCUST-KUNNR.
      APPEND IT_ERRCUST.
      CLEAR IT_ERRCUST.
*--Opening a session if there is an error record.
      IF V_FLAG1 = ' '.
        PERFORM FORM_OPENSESSION.
        V_FLAG1 = 'X'.
      ENDIF.
*--Inserting the error records into already open session.
      IF V_FLAG1 = 'X'.
        PERFORM FORM_INSERT.
      ENDIF.
*--Populating the Success records internal table.
    ELSE.
      IT_SUCCUST-KUNNR = IT_FFCUST-KUNNR.
      APPEND IT_SUCCUST.
      CLEAR IT_SUCCUST.
    ENDIF.
*--Displaying the messages.
    IF NOT IT_CUSTMSG[] IS INITIAL.
      PERFORM FORM_FORMATMSG.
    ENDIF.
*--Clearing the message and bdc tables.
    CLEAR : IT_CUSTBDC[],IT_CUSTMSG[].
ENDLOOP.
*--Getting the total no of error records.
DESCRIBE TABLE IT_ERRCUST LINES V_ELINES.
*--Getting the total no of successful records.
DESCRIBE TABLE IT_SUCCUST LINES V_SLINES.
*--Closing the session only if it is open.
IF V_FLAG1 = 'X'.
    PERFORM FORM_CLOSESESS.
ENDIF.
ENDFORM.                    " Form_bdcgenerate
*&      Form populatebdc
      FOrm to Populate the BDC table.
FORM POPULATEBDC USING    VALUE(P_0178)
                           VALUE(P_0179)
                           VALUE(P_0180).
IF P_0178 = 'X'.
    IT_CUSTBDC-PROGRAM = P_0179.
    IT_CUSTBDC-DYNPRO = P_0180.
    IT_CUSTBDC-DYNBEGIN = 'X'.
ELSE.
    IT_CUSTBDC-FNAM = P_0179.
    IT_CUSTBDC-FVAL = P_0180.
ENDIF.
APPEND IT_CUSTBDC.
CLEAR IT_CUSTBDC.
ENDFORM.                    " populatebdc
*&      Form FORM_OPENSESSION
      Form to Open a session.
FORM FORM_OPENSESSION .
*--Variable to convert the given session name into reqd type.
DATA : LV_SESNAM(12).
LV_SESNAM = V_SESNAM.
*--Opening a session.
CALL FUNCTION 'BDC_OPEN_GROUP'
   EXPORTING
     CLIENT                    = SY-MANDT
     GROUP                     = LV_SESNAM
     HOLDDATE                  = '20040805'
     KEEP                      = 'X'
     USER                      = SY-UNAME
     PROG                      = SY-CPROG
IMPORTING
   QID                       =
   EXCEPTIONS
     CLIENT_INVALID            = 1
     DESTINATION_INVALID       = 2
     GROUP_INVALID             = 3
     GROUP_IS_LOCKED           = 4
     HOLDDATE_INVALID          = 5
     INTERNAL_ERROR            = 6
     QUEUE_ERROR               = 7
     RUNNING                   = 8
     SYSTEM_LOCK_ERROR         = 9
     USER_INVALID              = 10
     OTHERS                    = 11
IF SY-SUBRC <> 0.
    WRITE :/ 'Session not open'.
ENDIF.
ENDFORM.                    " FORM_OPENSESSION
*&      Form FORM_INSERT
      fORM TO INSERT ERROR RECOED INTO A SESSION.
FORM FORM_INSERT .
*--Inserting the record into session.
CALL FUNCTION 'BDC_INSERT'
    EXPORTING
      TCODE                  = 'FD01'
    POST_LOCAL             = NOVBLOCAL
    PRINTING               = NOPRINT
    SIMUBATCH              = ' '
    CTUPARAMS              = ' '
    TABLES
      DYNPROTAB              = IT_CUSTBDC
    EXCEPTIONS
      INTERNAL_ERROR         = 1
      NOT_OPEN               = 2
      QUEUE_ERROR            = 3
      TCODE_INVALID          = 4
      PRINTING_INVALID       = 5
      POSTING_INVALID        = 6
      OTHERS                 = 7
IF SY-SUBRC <> 0.
    WRITE :/ 'Unable to insert the record'.
ENDIF.
ENDFORM.                    " FORM_INSERT
*&      Form FORM_CLOSESESS
      Form to Close the Open Session.
FORM FORM_CLOSESESS .
CALL FUNCTION 'BDC_CLOSE_GROUP'
    EXCEPTIONS
      NOT_OPEN    = 1
      QUEUE_ERROR = 2
      OTHERS      = 3.
IF SY-SUBRC <> 0.
ENDIF.
ENDFORM.                    " FORM_CLOSESESS
*&      Form FORM_FORMATMSG
      Form to format messages.
FORM FORM_FORMATMSG .
*--Var to store the formatted msg.
DATA : LV_MSG(255).
CALL FUNCTION 'FORMAT_MESSAGE'
    EXPORTING
      ID        = SY-MSGID
      LANG      = SY-LANGU
      NO        = SY-MSGNO
      V1        = SY-MSGV1
      V2        = SY-MSGV2
      V3        = SY-MSGV3
      V4        = SY-MSGV4
    IMPORTING
      MSG       = LV_MSG
    EXCEPTIONS
      NOT_FOUND = 1
      OTHERS    = 2.
IF SY-SUBRC = 0.
    WRITE :/ LV_MSG.
ENDIF.
ULINE.
ENDFORM.                    " FORM_FORMATMSG
*&      Form form_writeop
      To write the totals and the session name.
FORM FORM_WRITEOP .
WRITE :/ 'Total Records Uploaded :',V_TLINES,
           / 'No of Error Records :',V_ELINES,
           / 'No of Success Records :',V_SLINES,
           / 'Name of the Session :',V_SESNAM.
ULINE.
ENDFORM.                    " form_writeop
Don't forget to reward if useful..

Handling Multiple Group ID - Multiple Departments of the same Enterprise

http://www.b2bgurus.com/2008/07/handling-multiple-group-id-multiple.html
In step 4 it is mentioned that we have to create just one agreement. Should i create one agreement for each department or will creating one agreement for any department will automatically process the documents for both the departments?

Create only one Agreement. Make sure to disable the validation.
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Dear Team,
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Here in the given user Exit, one PO will be processed at a time as PO is defined as Import Parameter but it will handle all PO's
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Hi Suresh,
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Multipe EDI Transactions mapped to single B2B Monitoring Directory

Hi
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Hi Kiran,
We have already explored this option. But, we are trying to find a solution with in Oracle B2B.Could not really understand. The problem you are facing has only this solution and that also within Oracle B2B.
Is there any feature in Oracle B2B to send Email Communication when there is expcetion while processing any document.No. There is no in-built feature but yes you may create a BPEL process/Java utility to poll for records in b2b_instancemessage view which has message state as ERROR. These records are nothing but the exceptions which has occured within Oracle B2B. You may use below query -
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Below notes will also be useful for you -
http://www.oracle.com/technology/products/integration/b2b/pdf/B2B_TN_007_Exception_Handling.pdf
http://www.b2bgurus.com/2009/12/notification-mechanism-for-mdnfa-time.html
http://www.b2bgurus.com/2009/06/custom-exception-queue.html
Regards,
Anuj

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Thanks
Mike

Anuj,
I have defined a trading partner with multiple EDI Interchange IDs(for example: MarketInc, MarketInc2, MarketInc3 etc) However in the agreement i have chosen only "MarketInc" as the identifier.
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Servlets handle multiple, concurrent requests

Hi, folks. Could someone give me a basic idea of how Servlets handle multiple, concurrent requests which are sent from user's web browser, or possibly, point me some useful web links, tutorials. Let me take a example to make sure that i have explained the question clearly: let's say there is a website that does air ticket booking service. Suppose there is a spare seat exists for a particular flight. There are two users logon to the website and they are both looking for this particular seat. So, once these user's HTML form requests are sent to server, how do i implement my servlet to handle these requests properly, in another words, make sure this seat is only allowed booked by a single user. thanks in advance.

This acturally raises me a another question which i
still have some uncertainties. In another assignment i
did last semester, that was we had multiple users
using our database and accessing, retirving and
updating database by using jdbc. And what i did was
let every user call a particular method within a
javabean for setting up database connection, then goes
for the specific that needs to be dealt with. So, what
i am wondering now is that can i possibly having a
different approach, like setting up only a single
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exist all the time so that all request can get
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If a database is transactional, that means it has attempted to deal with the problem of multiple connections and statements being executed at the same time on the same data. If you have one single Connecting Object then you don't have to worry about transactions, but you do need to make sure that there aren't multiple threads running, each trying to use your Connecting Object.
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Handle multiple application by call tran. method ?

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Hi,
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Why can iTunesHelper.exe run twice but iTunes.exe cannot? Why can I run Safari at the same time? Quicktime Player runs fine under multiple user sessions.
Blaming it on Windows and/or FUS sounds like FUD. Can anyone give a valid technical reason? Semaphores? Mutexes? An admission (and explanation) that the Windows version is purposely crippled?

Calendar app that handles multiple Google calendars?

Can anyone recommend a calendar app that handles multiple Google calendars in a single account, including one of what Google's desktop web site shows as "My calendar" calendar plus one "Other calendar" calendar?
Thanks.

Calendar can have two or more calendars calendars listed at the same time.
Each can be a different color for identifidation.
The first screenshot shows that the Medical and Joint calendars are shared calendars.
Will that work for you?

How to handle multiple clients with DatagramSocket

I am trying to handle multiple clients with 1 datagramSocket bind to one port (basically I have only one port to use, and I can not use TCP or any other ports). At the server side I have two threads one for receiving packets and buffering them, another for processing the packets in the buffer and sending replies.
I can have multiple clients sending datagramPackets to me and I will have to process the packets and send them to DIFFERENT clients. Ex. Client 1 sends datagramPacket to Server which sends the processed packet to Client 2. Also Client 2 sends a datagramPacket to Server which again processes the packet and sends it to Client1. May have Client 3 and 4 doing the same thing at the same time... and so on...
My root class is creating the datagramSocket(somePort) and two threads (receiver and sender). How can I use the socket that I created in these two threads??
I have done the following and I am getting "java.net.bindexception". When I am sending stuff from Client1 to Client2 everything is fine but when I start sending something from Client2 to Client 1, I get the bindexception... Client 1 is using port 3000, Client 2 is using port 4000.
I really don't have a lot of experience in socket programming so I am not sure if there is a much simpler way to do this. I appreciate all the tips and help that I can get...
Thanks...
class UDP_serv
     static DatagramSocket udpSocket;
     final static int SERVER_PORT     = 2000;
     public static void main(String[] args) throws SocketException
          udpSocket= new DatagramSocket(SERVER_PORT);
          new DataReceiver().start ();
          new DataSender().start ();
     static class DataReceiver extends Thread
          DataReceiver()
               Thread.currentThread().setName("DataReceiver");
          public void run()
               while (true)
                    byte pckt[] = new byte [MaxMsgSize];
                    DatagramPacket dp = new DatagramPacket (pckt, pckt.length);
                    try
                         udpSocket.receive (dp);
                         //PUSH TO RECEIVE BUFFER
                    catch(Exception e)
                         e.printStackTrace();
     static class DataSender extends Thread
          DataSender()
               Thread.currentThread().setName("DataSender");
          public void run()
               while (true)
                    processDataMsg();
      static void processDataMsg()
         DatagramPacket op;
         InetAddress DA = null;
         int DP = 0;
         byte [] outPacket = null;
         // POP FROM RECEIVE BUFFER
         // SOME PROCESSING HERE
         // Set Destination Address (DA)
         // Set Destination Port (DP)
         // DA and DP are the forwarding IP and Port addresses
         // not the addresses original packet was sent from.
         try
          op = new DatagramPacket (outPacket, outPacket.length,DA, DP);
          udpSocket.send(op);
         catch (IOException e)
          e.printStackTrace();
}Also for development and testing purposes, I am running the two clients and the server on the same machine (windows xp-32b) so all of the Destination IP Addresses are 127.0.0.1. and as I said Ports that I am using are 2000, 3000, 4000 (Server, Client1, Client2).

Hmm I have minimized the code and it seems to be working now.
I think I have an error in the header portion of the data I am sending, where I am storing the source IP/Port and destination IP/Port. I think the server in the middle is messing these values up while sending them to the destination Client. Because the destination client actually receives the stuff and sends the reply back to the server, but the reply packet's headers has 0/0 as the dest IP / Port...
Server is giving me java.net.BindException: Cannot assign requested address error when it tries to forward the reply it received from the client2 as the address it is trying to send is 0!
I guess it doesnt just give this error when you try to open two sockets to the same port...
Paul, Thanks for the direction on how to proceed... took me a while get the minimized code but at least figured out the problem. Well still have to make sure that is THE problem though :)
As far as the statics goes how can I change those to non static ones? Where do I make an instance of the top level class that creates the threads? and how do I pass the DatagramSocket to the threads/ if I dont need to pass how do I call or use the datagramSocket I created in the top level class? I mean do I still kinda have it like a global variable on the top?? A very simple example would be much appreciated...
I think these might be really basic questions but I am having a rough time with the hierarchy in java...

How to handle multiple exception types in JSF 2?

I'm trying to handle multiple exception types in JSF2, including a default error page for any unexpected exception types. The problems I'm having are:
1) ViewExpiredException is handled only when no generic exception handler is specified
2) "Regular" exceptions like NullPointerException are never handled
My managed bean:
@Named
@SessionScoped
public class MyController implements Serializable {
/* A method that does nothing */
public void doNothing() {
    //do nothing
/* Generate a null pointer exception on purpose */
public void generateNpe() throws NullPointerException {
    Object x = null;
    x.toString();
My test page to generate the exception:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core">
<h:head>
    <title>Test page</title>
</h:head>
<h:body>
    <h:form>
        <h:commandButton id="button1" value="do nothing" action="#{myController.doNothing}" />
        <h:commandButton id="button2" value="generate NPE" action="#{myController.generateNpe}" />
    </h:form>
</h:body>
</html>
My web.xml:

<error-page>
    <exception-type>java.lang.NullPointerException</exception-type>
    <location>/error/error003.jsf</location>
</error-page>

<error-page>
    <exception-type>javax.faces.application.ViewExpiredException</exception-type>
    <location>/error/error002.jsf</location>
</error-page>

<error-page>
    <exception-type>java.lang.Exception</exception-type>
    <location>/error/error001.jsf</location>
</error-page>My questions are as follows:
1) How can we handle "regular" java exceptions like NPE?
2) How can we define a catch-all for unexpected exception types, while still respecting specific exception handlers for VEE, etc?
Thanks,
Benjamin

Is your data model right? If you are adding in one and deleting in another it sounds to me more like a process that an entity, in which case you may revisit your data model and simplify it, add in a session bean with the process method to co-ordinate between the two.
However, if you want to map multiple different tables within a single entity bean it is possible and just part of the mapping. How you actualyl specify it depends on which implementation you are working with.
Cheers,
Peter.

How to handle multiple tables data in Entity Beans?

How to handle multiple tables data in Entity Beans?
i mean, my bean (non trivial) is responsible for frequent
insertion in one table and some deletion on another table.
Can anyone of you...please..?

Is your data model right? If you are adding in one and deleting in another it sounds to me more like a process that an entity, in which case you may revisit your data model and simplify it, add in a session bean with the process method to co-ordinate between the two.
However, if you want to map multiple different tables within a single entity bean it is possible and just part of the mapping. How you actualyl specify it depends on which implementation you are working with.
Cheers,
Peter.

Handling multiple EDI transaction

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