Explain why READ DATASET conversion from codepage '4110' to codepage '4102'

I am unfamiliar with unicode but I am trying to solve a problem in an ABAP program.
Our code is
OPEN DATA p_in FOR INPUT IN TEXT MODE ENCODING DEFAULT.
DO.
READ DATASET p_in INTO i_tab.
The program gives me the error 'At the conversion of a text from codepage '4110' to codepage '4102'. The program abends on a line in the file that contains the special character '#'.
Does this mean that the file I am reading is in codepage '4110' and the internal format of i_tab is codepage '4102'? If so, how do the codepages get assigned to unix files and internal structures How can I make the both codepage '4110' or codepage '4102'? Also, what is the difference between these two codepages?
thanks.
Ryan
My

Hi,
Use
open dataset DSN in text mode for input encoding utf-8.
a®

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Problem conversion of a text from codepage '4110' to codepage '4103'

Hi!
I upgrade my SAP version ECC 5.0 no Unicode to ECC 6.0 Unicode .
Now, when I execute some reports I get a dump because when I open my file with 'OPEN DATASET' and then READ and TRANSFER to another file the result is :
At the conversion of a text from codepage '4110' to codepage '4103':
- a character was found that cannot be displayed in one of the two
codepages;
- or it was detected that this conversion is not supported.
This dump is got when the file contain special characters like 'Á,Ñ,...)
I have searched some information and the source error I think is about UTF-16 to UTF-8 conversion. I look for some SAP notes but I don't clear what I have to do.
Thanks in advace.
Ana

Hi Ana,
please check the code page of the uploaded file. In your scenario the assumption is that it is based on UTF-8.
If it is based on Non-Unicode, you need to use OPEN DATASET .... ENCODING NON-UNICODE ...
Best regards,
Nils Buerckel

CONVT_CODEPAGE codepage '4110' to codepage '4103'

Hi Experts,
I'm really new with ABAP and I'm trying to ivestigate as to why a job got cancelled previously. As per DUMP information:
Short text
A character set conversion is not possible.
What happened?
At the conversion of a text from codepage '4110' to codepage '4103':
    - a character was found that cannot be displayed in one of the two
    codepages;
    - or it was detected that this conversion is not supported
    The running ABAP program 'RFEKA400' had to be terminated as the conversion
    would have produced incorrect data.
The exact line of code where its having trouble with is inside UPLOAD_FROM_UNIX of the program RFEKA400:
READ DATASET AUSZUGFILE INTO SWIFT-ZEILE.
My custome proogram's code is as follows:
     OPEN DATASET file1 FOR INPUT IN TEXT MODE ENCODING
     NON-UNICODE MESSAGE mess IGNORING CONVERSION ERRORS .
     OPEN DATASET file2 FOR OUTPUT IN TEXT MODE ENCODING
     NON-UNICODE MESSAGE mess IGNORING CONVERSION ERRORS .
I'm not really sure what to do next. I checked if the standard program got the OSS notes release. I think it did for I saw the Notes #. I already read some of the responses from around here, some have the same issue but it did not got a reply.
Please help me, your response would be much appreciated.
Thank you in advance!

Thank you for your prompt response Anup. I'll try to use that, as soon as I can, I still need apporval to make changes.
Just an additional thought and please correct me if I'm wrong.
I just noticed that RFEKA400 open datasets are as follows:
OPEN DATASET AUSZUGFILE IN TEXT MODE encoding default FOR INPUT.
IF l_upload_codepage IS INITIAL.                                "n928965
    OPEN DATASET AUSZUGFILE IN TEXT MODE encoding default FOR INPUT.   "UC
ELSE.                                                           "n928965
    OPEN DATASET AUSZUGFILE IN LEGACY TEXT MODE CODE PAGE         "n928965
      l_upload_codepage FOR INPUT.                                "n928965
ENDIF.                                                          "n928965
I'm not really sure if I'm making any sense. Do you think using DEFAULT encoding will work? As far as I know if you use the DEFAULT, encoding will depend on what is the preset encoding of the system. Is that right? Maybe matching up the standard program's exact way of OPENING DATASET with my custom program's way might help. I still have to find out. Any thought on this?

CONVT_CODEPAGE conversion of a text from codepage '4110' to codepage '4103'

Hi,
I am receving the runtime error when i am trying to read the data from the application server(the data is loaded in the application server from the FTP server). The issue is with the character ' ¦ ' . Looks like the system is not able to convert this character from one code page to another.
I am getting this issue in both Development and in Quality Systems. Both systems are unicode systems.
I have gone through the existing threads on it and found 2 solutions. One is adding UTF-8 in the Open Dataset statement and other is adding IGNORING CONVERSION ERRORS. I tried both these options and the issue still exists.
Runtime error text:
Characters are always displayed in only a certain codepage. Many
codepages only define a limited set of characters. If a text from a
codepage should be converted into another codepage, and if this text
contains characters that are not defined in one of the two codepages, a
conversion error occurs.
Moreover, a conversion error can occur if one of the needed codepages
'4110' or '4103' is not known to the system.
Regards,
Karthick.

Let's first name the code pages you've given: 4110 is UTF-8 and 4103 is UTF-16LE. A conversion between Unicode code pages should not be an issue, but converting from a Unicode page to a non-Unicode page obviously is likely to face conversion issues due to missing characters in the non-Unicode target code page.
So let's check the real problem: It sounds like you're reading a file that's not in a UTF-8 encoding, yet you claim it is. I.e. you mention the character ¦ is causing problems. Assuming that you actually copied the character you can already see that it's a bit unusual, i.e. it's not the normal pipe symbol | (which is closed, whereas your character is divided). Now taking the hex code of the character off your posting I get a A6 (decimal 166, binary 10100110). Now in UTF-8 only ASCII (i.e. 7 bit values) are 1 byte characters (i.e. one character equals to one byte).
Now if you check the UTF-8 table you'll see that your pipe symbol with hex value A6 is a continuation character, i.e. it has to be part of a longer multibyte sequence. So if your file errors out on this specific character it's probably simply due to the fact that you don't have a UTF-8 file, but some other encoding (e.g. often it's latin1). So your first step should be to figure out what encoding your file is that you're reading. Once you know it, conversion from that code page to UTF-8 or one of the UTF-16 flavors is no challenge.
By the way, one easy check for invalid UTF-8 byte sequences is to load the file into a web browser. E.g. in your case you could try copying the following data into a file and opening it in your favorite web browser (load will fail).
<?xml version="1.0" encoding="UTF-8"?>
<data>¦</data>
After testing that, change the encoding from UTF-8 to latin1 and you'll see that you can load the page into the web browser...
Cheers, harald

Error: At the conversion of a text from codepage '4110' to codepage '4102':

I am trying to open an ANSI file from Application server.
I am using "open dataset F_FILENAME for input in text mode encoding default."
For some ANSI files it works fine, and for some it fails. I want to open this file and validate it , post it back on to application server
with its original format.
How do I achieve this? THanks,
Below is the system config.
Database codepage                         Unicode
Current Codepage of Appl. Server    4102
Codepage of Front End               4110 UTF-8 GUI

Hi Shabbir,
The statement "open dataset F_FILENAME for input in text mode encoding default" would open the file with the default codepage of your system which is 4102 for your system.
Due to which the SAP system implicitly coverts the characters in the file to 4102 codepage. You might get "CONVT_CODEPAGE" error if system is not able to convert some characters in the file.
You should use
Open dataset F_FILENAME for input in legacy text mode code page 1100
Check the following link for syntax.
[open dataset in SAP|http://help.sap.com/saphelp_nw04/helpdata/en/79/c554a0b3dc11d5993800508b6b8b11/frameset.htm]
You can also use " IGNORING CONVERSION ERRORS " to avoid "CONVT_CODEPAGE" errors..
Cheers
Ajay

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Why are the conversions I make not accurate?
Every tiem I convert from pdf to word there are changes!

Hi,
Can you please share more details/examples? What changes do you usually notice? This will greatly help us further investigate.

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Reading File from Application Server using Read Dataset

Hi,
i am trying to read excel file from Application Server and has multiple records in that based on structure below. but when i execute its giving me error message.here is the code, can sumone suggest me on this please ??
FORM f_data_upload .
DATA:
     l_filename TYPE string,   "file name
     l_wa_string TYPE string. "file record
    l_filename = p_inp_as. "File path from Application Server
    OPEN DATASET l_filename FOR INPUT IN TEXT MODE ENCODING DEFAULT.
    DO.
      IF sy-subrc <> 0.
        EXIT.
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Read the data from the file in Application server.
      READ DATASET l_filename INTO l_wa_string.
      IF sy-subrc = 0.
        SPLIT l_wa_string AT cl_abap_char_utilities=>horizontal_tab
              INTO w_data-tcode
                   w_data-matnr
                   w_data-mtart
                   w_data-werks
                   w_data-vkorg
                   w_data-vtweg
                   w_data-lgort
                   w_data-meins
                   w_data-maktx
                   w_data-spart
                   w_data-kosch
                   w_data-mstae
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                   w_data-mstdv
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                   w_data-ktgrm
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                   w_data-tragr
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        APPEND w_data TO i_data.
        CLEAR w_data.
       ENDIF.
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    CLOSE DATASET l_filename.
Error Message while executing
What happened?
    At the conversion of a text from codepage '4110' to codepage '4102':
    - a character was found that cannot be displayed in one of the two
    codepages;
    - or it was detected that this conversion is not supported
    The running ABAP program 'ZHDI_LOMM_VEHI_MAT_MASS_CREATE' had to be terminated
     as the conversion
    would have produced incorrect data.
    The number of characters that could not be displayed (and therefore not
    be converted), is 449. If this number is 0, the second error case, as
    mentioned above, has occurred.
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_CONVERSION_CODEPAGE', was not
     caught in
    procedure "F_DATA_UPLOAD" "(FORM)", nor was it propagated by a RAISING clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    Characters are always displayed in only a certain codepage. Many
    codepages only define a limited set of characters. If a text from a
    codepage should be converted into another codepage, and if this text
    contains characters that are not defined in one of the two codepages, a
    conversion error occurs.
    Moreover, a conversion error can occur if one of the needed codepages
    '4110' or '4102' is not known to the system.
    If the conversion error occurred at read or write of screen, the file
    name was '/usr/sap/interfaces/conversion/pioneer/ddm/data/test_data1.xls'.
     (further information about the file: "X 549
     24064rw-rw----200812232135082008122307293120081223072931")
Please help me
Thank You

Woah ... perfect guru
but data looks like all junk characters ? its filling with special characters, hashes # and other characters but not with Excel data.. any idea ??
Temesh
Edited by: New2Sap Abap on Dec 24, 2008 6:42 AM

Error while reading excel file from application server into internal table.

Hi experts,
My requirement is to read an excel file from application server into internal table.
Hence I have created an excel file fm_test_excel.xls in desktop and uploaded to app server using CG3Z tcode (as BIN file type).
Now in my program I have used :
OPEN DATASET v_filename FOR INPUT IN text mode encoding default.
DO.
READ DATASET v_filename INTO wa_tab.
The statement OPEN DATASET works fine but I get a dump (conversion code page error) at READ DATASET statement.
Error details:
A character set conversion is not possible.
At the conversion of a text from codepage '4110' to codepage '4103':
- a character was found that cannot be displayed in one of the two
codepages;
- or it was detected that this conversion is not supported
The running ABAP program 'Y_READ_FILE' had to be terminated as the conversion
would have produced incorrect data.
The number of characters that could not be displayed (and therefore not
be converted), is 445. If this number is 0, the second error case, as
mentioned above, has occurred.
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SY_CONVERSION_CODEPAGE', was not
caught and
therefore caused a runtime error.
The reason for the exception is:
Characters are always displayed in only a certain codepage. Many
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codepage should be converted into another codepage, and if this text
contains characters that are not defined in one of the two codepages, a
conversion error occurs.
Moreover, a conversion error can occur if one of the needed codepages
'4110' or '4103' is not known to the system.
If the conversion error occurred at read or write of screen, the file
name was '/usr/sap/read_files/fm_test_excel.xls'. (further information about
the file: "X 549 16896rw-rw----201105170908082011051707480320110517074803")
Also let me know whether this is the proper way of reading excel file from app server, if not please suggest an alternative .
Regards,
Karthik

Hi,
Try to use OPEN DATASET v_filename FOR INPUT IN BINARY mode encoding default. instead of OPEN DATASET v_filename FOR INPUT IN text mode encoding default.
As I think you are uploading the file in BIN format to Application server and trying to open text file.
Regards,
Umang Mehta

Error on line read dataset p_zfile into it_int

hi while executing this below code..
open dataset p_zfile for input in text mode ENCODING DEFAULT.
    if sy-subrc = 0.
      v_one = 1.
      do.
        v_no = v_no + 1.
     *read dataset pzfile into it_record*_ this is giving short dump as below
code to read file
end do
short dump
the following error is being prompted
CONVT_CODEPAGE
CX_SY_CONVERSION_CODEPAGE
A character set conversion is not possible.
At the conversion of a text from codepage '4110' to codepage '4103':
- a character was found that cannot be displayed in one of the two
codepages;
- or it was detected that this conversion is not supported
where
it_record is type infile_struct,
and infile_struct is as below
types: begin of infile_struct,
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and p_zfile is used in fm call file_get_nam
please suggest this code is working fine in 4.6 c not upgraded to SAP ECC 6.0 this error is occuring in the code
regarda
arora

here is code
open dataset p_infile for input in text mode ENCODING DEFAULT.
f sy-subrc = 0.
      v_one = 1.
      do.
        v_no = v_no + 1.
        read dataset p_infile into in_record.        if sy-subrc = 0. here dump is occuring at last record i deleted the last record in the file but again the dump comes on last record only when all records are read and finally when the cursor come to read dataset statement last time
          if v_no <> v_one.
            split in_record at v_tab into wa_record-idno
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                                          wa_record-stolineno
                                          wa_record-sched_line
                                          wa_record-pur_group
                                          wa_record-frmplant
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                                          wa_record-toplant
                                          wa_record-tostglocation
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cx_sy_too_many_files.
ENDCATCH.
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Error "conversion of a text from codepage '4103' to codepage '1100' "

Hello,
Greetings!
Please help me with this Error while trying to transfer data to application server.
My data contains this characters "*".
OPEN DATASET p_file FOR OUTPUT IN TEXT MODE ENCODING NON-UNICODE.
Transfer <data> to p_file.
CLOSE DATASET p_file.
<data> contains "*" characters.
At the conversion of a text from codepage '4103' to codepage '1100':
- a character was found that cannot be displayed in one of the two
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Regards,

Hello,
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BUT: in Unicode (4103), there are tons of other, similar looking, variants of quotes or quotation marks which cannot be converted to 1100.
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Hi,
I'm getting a short dump at the execution of the statement READ DATASET. The short dump says a character was found that cannot be displayed in one of the two codepages.
I have used a standard SAP Program which converts the code pages ( RSCP_CONVERT_FILE ). Unfortunately this program also short dumps when i specify the source as 4110 Target 4104 and the filename on application server.
I've tried using NON UNICODE addition but have realised that it's not the proper way of doing it in a Unicode System.
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Kindly do not send me the documentation on OPEN DATASET and READ DATASET i have read that several times.
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Sorry for posting in the wrong forum

Explain why READ DATASET conversion from codepage '4110' to codepage '4102'

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