Empty files mapping problem

I have to map empty files to another server. The first one is access by FTP.
How can I do that?

Hi,
I didnt understand ur question can u pls explain in detail what r u looking for.
in file adapter v have a option of handling empty file....
refer the section Handling of Empty Files
http://help.sap.com/saphelp_nw04/helpdata/en/e3/94007075cae04f930cc4c034e411e1/frameset.htm
chirag

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JDBC- XI- File Mapping Problem

Hi everyone,
I have the mapping problem. atried a lot of possibilities, but unfortunately nothing helps... JDBC adapter returns (in my case - I'm just selecting SYSDATE from dual) this structure
<resultset>
<row>
<SYSDATE>....</SYSDATE>
</row>
</resultset>
I'm using 2 datatypes:
a, row (it is called so) which is complextype and consists of subelement SYSDATE, which is string
Exastly: row->SYSDATE
b, resultset (it is called so) is complex type which consists of subelement of type row(type a - see above) (and this subelement is also called row) ...and it has of course subelement SYSDATE, which is String (see the data type a above)
Exactly: resultset->row->SYSDATE
The data type b is used for the outbound interface in the message coming from the JDBC Adapter, the type a is used for message type sent into the File Adapter
(exactly: Message1String is the ResutSet Type(b), Message1String2 is the Row(a) type)
Can somebody help me, what is wrong? I do always get mapping error... :O(
Thanx, Peter

So your message type has a different name?
Take the name of your message type and link this to "document name" of your JDBC adapter configuration.
Compare the xml output of the JDBC adapter (take this from the SXMB_MONI payload) with the default structure of the mapping (go to the mapping tool, test mode, create a new test and view the xml structure)
Regards
Stefan

Flat file mapping problem.

Hi,
I've just created a file mapping, and i'm trying to split a flat file field into 3 subfields for a xml record, but i have the following message:
Before the process run, i've tested the message mapping and the interface mapping, and the log result said that the mapping has been successfully ended, so, Have you ever seen this problem before?
I appreciate your help, thanks.
Marzolla.

Hi Jorge,
Check your XML input. Try to put the same xml instance in the message mapping transformation and test it out.
Regards,
Dhana

IDOC to File Mapping problem.

Hi all,
I am working on IDOC to file scenario. Here I need to create CSV file for some fields of the IDOC. Actually flat file should contain around 65 comma separated fields irrespective (independent of the segment presence in the IDOC) of the existence of the corresponding filed in the idoc structure. So could you please tell me how to handle this situation?
Here file is supposed to be created with 65 fields. But it only contains few of those, as some segments in the IDOC are missing. Is there any dependency between the filed and its header/segment?
Thanks in advance,
-Kanth.

Hi Prasad,
<i>But it only contains few of those, as some segments in the IDOC are missing. Is there any dependency between the filed and its header/segment?</i> - yes, if your source IDOC is having some segments missing, then your target will not have those segments, so some of your target data will be lost.......
To avoid this you can go for a JAVA mapping.....
Thanks,
Rajeev Gupta

Problem about Handling of Empty Files in File Adapter

Hello everyone,
NetWeaver 2004s --- XI
In Sender i have a File Adapter.
Now i meet a problem about Handling of Empty Files. When i send empty file, but don't cerate a leer message.
I have seen following text in help document. But in adapter configuration i can not find the correspond parameter.
can you give me some tips?
Thx in advance
best regards
Yaning
SAP Help Document über File Adapter
+Handling of Empty Files
Specify how empty files (length 0 bytes) are to be handled.
○       Do Not Create Message
No XI messages are created from empty files.
The files are processed according to the selected Processing Mode.
For example, if the processing mode is Delete, empty files are deleted in the source directory.
○       Process Empty Files
XI messages are created with an empty main payload.
The files are processed according to the selected Processing Mode.
○       Skip Empty Files
No XI messages are created from empty files.
Empty files are skipped and remain in the source directory.+
Help Docu

hi,
it's available since Sp19 for XI 3.0
and the corresponding SPS fpr XI 7.0
http://help.sap.com/saphelp_nw04/helpdata/en/44/f565854b7341e6e10000000a1553f6/frameset.htm
so probably you need to install the new SP
Regards,
michal
<a href="/people/michal.krawczyk2/blog/2005/06/28/xipi-faq-frequently-asked-questions"><b>XI / PI FAQ - Frequently Asked Questions</b></a>

Problem with „Empty-File Handling" in PI 7.11

Hi,
Iu2019m working in PI 7.11 with file adapter, Sender CC, option: Empty-File Handling: Process Empty Files.
What I want to do is giving target file the system-date, if the source file is empty.
But I always get a mapping error in RTWB: Premature end of file.
It seems that the payload is empty.
Any idea?
Thanks a lot in advance!
Rene Dong
Edited by: Rene Dong on Aug 31, 2010 4:20 PM

What I want to do is giving target file the system-date, if the source file is empty.
The error you are getting makes sense. You should do a check in the mapping, if the payload is empty then use brute force to pass the system date.

Empty file, java mapping issue

Hello,
does anyone have an ide how to create java mapping to create empty file on FTP?
Why this code always send NUL character = 1byte and not 0 byte as needed?
public void execute(InputStream in, OutputStream out) throws StreamTransformationException {
out = null;

try 1 thing...
run ur code for some standalone file.
create a file at ur local harddisk and check out its size..
i had tried creating such a file using the code below....
it is creating a 0 byte file successfully.
public class TestCode {
     public static void main(String ags[]){
     try{
     TransformerFactory tf = TransformerFactory.newInstance();
     Transformer transform = tf.newTransformer();
     FileOutputStream out;
     out = new FileOutputStream("c:
OutTestCode.xml");
     transform.transform(null, new StreamResult(out));
     } catch (FileNotFoundException e1) {
          e1.printStackTrace();
     } catch (TransformerConfigurationException e) {
          e.printStackTrace();
     } catch (TransformerException e) {
          e.printStackTrace();

FTP problem: empty file being picked up

Use case:
- I am writing a file with the FTP adapter to a remove FTP server
- Another application polls the folder where I put my file
- The application picks up the file and processes it
Problem
- The moment that the FTP adapter starts writing, the other application recognizes the (empty) file and picks it up
- The application processes only the empty file
Questions
- Is there a way to block the other application from picking up the file?
- What is a best practice for this situation?
- Is there a way to implement some type of handshake?
- Will I also have this problem when another application writes a file to a folder where a BPEL file/ftp adapter is polling?
Thanks,
Jan Willem

Another common practice is to give the file an extra extension while ftp upload is in progress:
upload.xml.tmp
Then after the upload finishes it should be renamed.
And another (!) practice is to upload two files:
upload.xml
upload.upl
upload.upl only contains the filename of upload.xml, have upload.upl only uploaded when upload.xml is finished. let your adapter poll for upl files instead of xml files, and read out the contents of the upl file.

Thunderbird sending pdf attachment problem – 'empty file' from mac to mac & PC

OSX 10.9.5 with TB 31.6
This problem has just started happening when sending PDFs to clients at different location who are using a mixture of email systems on Mac and PCs (different PDFs over the last week to differetent people but not everyone). The file arrives but it says 'empty file'. I have tried sending the same PDF though gmail and that arrives with no problem.
I can see this is a reoccuring problem with older TB releases but there doesn't seem to be a solution.
Can anyone help?
best
Martin

I've now asked 2 people who have received PDFs either as "message saying that they are corrupted" ...
"Hi Martin. Many thanks - the files sent via MailBigFile have all opened up OK. I deliberately use a Mac to try and avoid viruses! No one else in the
factory could open them either. Kind regards, Nicky."
and
"I haven’t got anti-virus software. The third one you sent was openable (the one from from gmail). – Tim" ... this one said "empty file" also on a Mac.

Empty file in sender comm channel

i have issue with the empty files coming from the sender which are getting processed and getting saved in given file location.
Now the problem is,these files donot contain data and rather just gets outputted with header and trailer with some dummy data usually spaces,some zeros,-- like this...,this makes the file size of some 444 bytes or 834 bytes but as it is not having any data,we need to goto SXMB_MONI everyday,check for files,if its empty,needs to cancel them manually because it appears in red flag.
To avoid this,i was thinking of setting the empty file option in processing of communication channel to SKIp messages or delete messages.
Am i right in this approach?
From other thread:
"Currently when a process fails in PI due to an empty file the process needs to be manually set to u201Ccancelledu201D,where to locate in PI,what could be the problem and how it is to be solved.i have asked a similar question and hope that this error will help."
please reply and show me right way of resolving this.
thanks!
cheers!
Edited by: Prateek Raj Srivastava on Aug 19, 2010 10:54 AM

Hi,
As per ur req, its nt possible in this way.
The empty file handling means the whole file is empty, the size is 0k.
So in ur req, empty file means Header and Trailer present, but no data Records.
we can achive this in following ways also,
1.write an adapter module, to check if at all there is atleast there is 1 Data record, if not throw exception there itself.
2.In the mapping check if at all there is any Data Record. If no Data Records raise exception and also the Alerts.
Babu

Empty File at Target Directory

Hi Experts,
I am dealing with file to file scenario, where file is being posted to the target directory depending upon the condition, which is mentioned in Java Mapping. The Java Mapping is tested and is successfull. But, the problem is PI is generating file with 1KB (only one space) ain the alternate folder(where it shouldn't go depending upon the condition).
The folder is having no space constraint and the file size is just 2KB.
Empty file handling mode has been set to ignore. still its being generated
Please suggest.
Thanks & Regards,
Sushama

Hi Suraj,
Here it goes::
for(int b=0;b<itemLineList.getLength();b++){
                         Node itemLineDetails = itemLineList.item(b);
                         NodeList itemLineDetailList = itemLineDetails.getChildNodes();
                         for(int c=0;c<itemLineDetailList.getLength();c++){
                              Node ItemDetailsNode = itemLineDetailList.item(c);
                              if(ItemDetailsNode.getNodeName().equalsIgnoreCase("MetaData")){
                                        NodeList ItemDetailsList = ItemDetailsNode.getChildNodes();
                                        status = checkIteminMDM(ItemDetailsList.item(1).getTextContent());
                                        if (status){
                                             getTrace().addInfo("in update");
                                             populateCreateorUpdateHashMap(ItemDetailsNode,"update");
                                        else{
                                             getTrace().addInfo("in create");
                                             populateCreateorUpdateHashMap(ItemDetailsNode,"create");

Process empty file : file (fcc) to rfc

Hi Experts,
I have a scenario where. I have to process files and send it to rfc..
file to rfc scenario...
now basically.. when the file is empty the content conversion does not produce any payload and throws error..
can u pls help me in this?

Hello,
The problem is that XI will pick up th file with empty payload.. but as there is no content in the file...
the content conversion cannot be done
The content conversion will still be done except that it will not output anything. To do this, set your recordset occurrence to * instead of 1
http://help.sap.com/saphelp_nwpi711/helpdata/en/44/6713ec3f914ddee10000000a1553f7/content.htm
and mapping throws error...
Since there is no output, the mapping will really throw an error. What you can do is to place a dummy structure, you can use a two-step mapping to do this, in your operation mapping use Java Mapping as your first mapping and in the second mapping, your actual mapping graphical mapping e.g
1.) Read the inputstream and then check if there is a structure. If there is a structure, the Java mapping just passes it to the outputstream. If it is not, then Java mapping will write the dummy structure into outputstream. (Java Mapping)
2.) Output from 1 is passed to Message Mapping
Can you tell us the reason why empty files are needed to be processed? Because this adds overhead in the AE.
Hope this helps,
Mark

Failed Receiver Determination on empty file

I have seen suggestions matching the solution I have tried, but it is not working in my scenario.
The scenario is an empty CSV file inbound to 3 receivers. In the standard receiver determination, I created a context condition for the 'SAP system' receiver, which uses RFC adapter. The condition is: 'Sourcefilesize not equal 0'. For an empty file, the 'SAP system' receiver should not be selected because it has mapping to the RFC structure. The other 2 receivers are SFTP and file, and the client requires they receive the empty input file.
I see the file size is captured in the dynamic configuration in the MONI:
namespace: XI/System/File.....name="Sourcefilesize">0<SAP:record...
The error is: Problem while determining receivers using interface mapping: Error while determining root tag of XML: BOM / charset detection failed.
The system is PI 7.1, the sender comm channel is Advantco with namespace override and content conversion. I have tried using file type 'binary' and type 'text', with UTF-8 encoding - results in the same error either way.
The file is coming from an external vendor - I do not believe they will make any changes to it, so hopefully this can be resolved in PI.
All suggestions are appreciated. Thank you.

Hareesh and Osman, thank you for your replies.
I should have pasted the entire message. When testing in the IB, it fails in receiver determination..
""Error when determining the receiver: Problem while determining receivers using interface mapping: Error while determining root tag of XML: BOM / charset detection failed Error while parsing an XML stream: 'BOM / charset detection failed&#39""
Only the SAP system RFC receiver has message mapping - the SFTP and file receivers do not. (I have changed only namespace and system names in screen below)
Receiver determination -
Interface Determination XXXX_D
Interface Determination Archive_D
Interface Determination SAP system

Receiver-File-Adatper creates empty files on FTP-Server

Hi experts,
I have a problem with my IDOC-to-File-scenario. My Mapping converts IDOCs to XML-files. Then the xml-files should be send to a ftp-server in New York. but only the filename is created on the ftp-server in New York. but without any content.
At first I tested the scenario with a ftp-server in our company. and it works. the files and the right content were created. so the scenario and the mapping are working correctly.
Have you any idea what the problem is?
Thanks and best regrads
Christopher

Dont use anonymous login. Please provide user name and password.
Also go to adapter engine queue. There see the details description of your message. There it will specify which file got created, on which FTP server, in which folder and also how many bytes XI has transferred. If possible let me know these details.
Also try uploading any other file to FTP.
For this got to Command prompt.
1. open (o) IP ADDRESS
2. User name
3. Password
4. go to specified folder
5. Use PUT command to save the file on FTP server.
If after all these empty files is getting created then contact your system administrator and tell him to check firewall settings. Because there are few parameters which allows data transfer.
Because if firewall problem is there then u wont be able to put a file manually on that FTP server.
Let me know the output.
Warm Regards,
Gouri

FCC file channel cannot process the empty file

Hi,
My requirement is like that a msg mapping getting two files from different sources and combining into one file and send to the receiver. There is a possibility that any one of the file can be empty.. now problem is how to process the empty file in FCC file channel. When we trying to process the msg we are getting the error msg like "file end of exception". we already check the option empty file in file comm channel....under processing tab. But no use.Though we achieved through a module in sender channel. i want to know how to achieve this through simple content conversion by the FCC channel.
In Content conversion. Record----> item,.. here what is mean ''? 0 to outbound or 1 to outbound?
Regards
Balaji

Hi Balaji,
here what is mean ''? 0 to outbound or 1 to outbound*
means 0 to unbounded.
Let me remind u ... the requirement cannot be achived in this way.. if file is empty.
I hope u already checked the option..
process empty files.
I think u can handle this by, using a adapter module, in which..
if file size(ASMA) is zero.. create a empty message and send it
to the PI.
Babu
Edited by: hlbabu123 on Mar 9, 2010 2:36 PM

Empty files mapping problem

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