Empty File Handling in xLink adapter

Helloo Experts
I am doing a scenario, which creates an empty file(when some mapping condition doesnt satisfy).
I dont want to write this empty file in the target directory.
This can be handled if a file adapter is used, but I am using a SOAP AXIS adapter, so I dont know how to handle this here.
I alaso tried using the StrictXml2PlainBean to avoid the creation, it creates 0 documents and a 0kb empty file.
Can anyone please let me know how this can be solved????
Also if some one has done this empty file handling in J2SE file adapter...can you tell how it was done.
Thanks a lot!!!!!!
Regards
Shobha

Hi Gabriel,
You can write a simple script to copy a file from source folder to target in case the fiel size is ZERO bytes. The script will not copy the file if the filesize is more than zero bytes, This will be processed normally by PI server. You can call the script from sender communication channel parameter : "RUN OS command before message processing". Could you please specify the Operating System (OS) you are using in your PI server.
Regards
Anupam

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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!
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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.

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Hi All,
Can we use the option Empty file Handle if the sender is a text file.
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Hi,
Refer the section of 'Empty File Handling' from the below link:
http://help.sap.com/saphelp_nw70/helpdata/en/e3/94007075cae04f930cc4c034e411e1/content.htm
You will get the required result.
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Hi,
I have set this option in Sender CC - file.
Parameters --> Processing.
I dont want to pass file to reciever , when file is empty.
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Santosh,
Yes. The trick will work for empty file handling.
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File.WriteMode in Xlink adapter.

Hi All,
I am working on a File to file scenario with Xlink adapter, both on sender and receiver sides. The outcoming file must have the same name as the input file name. I know to achieve this. But along with the input filename, I need timestamp to be attached. i.e., the output file name must be input file name + timestamp. Can somebody give me a solution??
Thanks All..

Hi vdha,
Delete after downloading the file is the default behavior of the SFTP adapter. If its not then there could be issue in the way either the SFTP server is setup or due to the host instance or any configuration at your end.
Check the following forum there where a user had same issue when using out-of-box SFTP adapter. See the discussion happened there helps you.
https://social.msdn.microsoft.com/Forums/en-US/a1abdb09-4bca-430a-a3fe-bf95a5b2fca7/biztalk-server-2013-sftp-adapter?forum=biztalkgeneral
If this answers your question please mark it accordingly. If this post is helpful, please vote as helpful by clicking the upward arrow mark next to my reply.

Empty file handling in Receiver File adapter (FCC - Premature end of file)

Hi
My interface is Flat file to Flat File interface with file content conversion which is working fine in SAP PI 7.1 EHP1.
If I want to process the empty file from sender system, PI should place the same empty file in the receiver FTP Location as per my requirement.
I am facing the below error message when PI tries to place the empty file.
Message processing failed. Cause: org.xml.sax.SAXParseException: Premature end of file.
But if I am not using FCC, I am able to get the empty file at the receiver end.
Please suggest on this, If I am using FCC in the receiver side.
Thanks
Gabriel

Hi Gabriel,
You can write a simple script to copy a file from source folder to target in case the fiel size is ZERO bytes. The script will not copy the file if the filesize is more than zero bytes, This will be processed normally by PI server. You can call the script from sender communication channel parameter : "RUN OS command before message processing". Could you please specify the Operating System (OS) you are using in your PI server.
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Empty File Handling in SAP XI------Urgent

Hi Frnds,
1) I have one doubt XI will support Empty file processing. Suppose in my scenario
In sender side i am having Empty file i want to process this file , what are necessary steps i need to take.
2) In my scenario XI will support only 10mb file processing at a time, But in sender side i am having 20 mb file. How to transfer the file without splitting.

hi raja
Regarding empty file processing
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.
Also refer this link
http://help.sap.com/saphelp_nw70/helpdata/EN/ae/d03341771b4c0de10000000a1550b0/frameset.htm
This is done at ID in sender File Adapter Configuration of the communication.
Regards
Ramesh P

Empty file handling in file?

hi
Q: how to handle empty file in sender/reciver file adapter?
Thanks&Regards
upendra kumar

Upendra,
You have an option in the communication channels. Just go through this help:
http://help.sap.com/saphelp_nw04/helpdata/en/14/80243b4a66ae0ce10000000a11402f/frameset.htm
...Satish

Empty File handling and raise alert.

Hi,
We have requirement where we are doing file pass through. But client wants PI to raise alert when it receives 0 byte file.
How can we achieve this using File/FTP/SFTP adapter when we are not reading the actual payload and doing only pass thru?
Thanks,
Vertika

Hi Vertika,
AFAIK - there is no standard way for pass through interface to raise alert (for empty file). so you need to develop adapter module to raise the alert for empty file.
Please refer the help page
Configuring the Sender File Adapter - Advanced Adapter Engine - SAP Library
Under 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.

Empty file handling

Hi All,
I have a scenario, in which there is a possiblity of getting source file to be empty (0 bytes), In this case I need to trigger an email to the user reg the same. Please provide inputs.
Regards,
Nithiyanandam

Hi,
Maybe you can try out these scenario..
In the sender file channel, keep option as process Empty files and in the sender ASMA properties, select options file name and source file size.
Then in your message map, from a UDF, if the file size in ASMA is zero, you can trigger an email to the intended recipient. Search in SDN, you will get the code for triggering email from a UDF.
Another option would be to go for a conditional receiver determination. There the condition would be the file size of the source file.
In the receiver determination, select condition --> Context Object --> SourceFileSize under file namespace.. If this is 0, select a mail recipient as the receiver and send mail using mail adapter.
If file size is not 0, select your original receiver.
Regards

Handling empty files Using SFTP adapter

Hi folks,
Can any please let me know how to handle empty file handling in SFTP adapter as a sender.
I getting error in sxmb_moni while empty file coming in sftp adapter. Please help me on this issue.
Thanks,
Enivass

Hi,
please select option "Empty file Handling-*do not create Message*" in sender comm channel as per your requirement.
Try this.
Reg

How to handle empty file using sftp adapter

Hi,
Please explain me how to handle empty files in sftp adapter.
Thanks,
Enivass

Hi Enivaas,
I don't have the seeburger sftp adapter at hand at the moment, but asfar as I remember, this does not specifically have an empty-file handling option like the standard ftp adapter.
So to stop emtyp files from being written, guess would need to handle this at the mapping level. For example, check for target creation criteria in the header node in mapping. If the creation criteria is not met, you can throw an error in mapping.
You may also incorporate this condition in your Receiver determination. In this case, if the condition is not satisfied, no receiver is determined in PI.
Regards

Empty file receiver - file adapter

Hello,
Scenario: File->XI->File.
In my scenerio, I am using Java mapping to name the target filename and creating text file that is later sent to FTP, in that way I don't have to use content conversation, to save performance...
I am on PI7.1 version so I have checked the options (Processing Parameters) for empty file handling in Sender/Receiver file communication channels.
Issue:- Though the target file is created but it always contain 1 byte(NULL character). Any ideas??
Thanks
Anshul

> In my scenerio, I am using Java mapping to name the target filename and creating text file that is later sent to FTP, in that way I don't have to use content conversation, to save performance...
>
The java mapping is genarating output as text file,right??have you tested your java mapping in NWDS or eclipse,because when you test in Operation mapping you will get error for text file,because it is not well formed.
if your java mapping genarating text files perfectly then file content conversion not required at all,just give file name in Communication channel.
> I am on PI7.1 version so I have checked the options (Processing Parameters) for empty file handling in Sender/Receiver file communication channels.
>
Why you have selected empty file handling??it is not required.
> Issue:- Though the target file is created but it always contain 1 byte(NULL character). Any ideas??
>
>
unselct empty file handling test your interface with real data.
let me know your issue.
Regards,
Raj

Processing an empty file with file adapter

Hi,
We have a scenario where we are merging multiple files via a BPM. One of the files that we read is a delta file, which at times can be blank/empty. The multiple receive steps in the BPM are in one fork and the end condition is set up so that all the messages are received prior to the transformation step.
When we attempt to read an empty file by activating the adapter, the adapter monitor reads that the message was processed successfully. But, no message is created in XI. Is this correct? If yes, is there any way we can create a message for an empty file w/o using a module to change the contents of the file?
Any suggestions or help is greatly appreciated.
Thanks in advance.
Best Regards,
Duke

Hi Duke,
One suggestion:
You can construct a message with some fields and use exists() function in mapping.
try this link:
http://help.sap.com/saphelp_nw04/helpdata/en/db/83f7b88528424c9113b15d5e0fb516/content.htm
Regards
Priyanka

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 Handling in xLink adapter

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