Empty File valid source file

Could somebody help me to answer my question .
The question is an empty file a valid source code file?
Thanks for the help...
Elvira48

Yes.
CompilationUnit =
PackageStatement? ImportStatement* TypeDeclaration*
;All parts optional.
Pete

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Wuala Validating source files with md5sums... wuala.tar.gz . FAILED

[r-c@r-c-laptop wuala]$ makepkg -si
==> Making package: wuala 2-20110707 (Sat Oct 15 13:17:49 CEST 2011)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving Sources...
-> Downloading wuala.tar.gz...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 303k 100 303k 0 0 56284 0 0:00:05 0:00:05 --:--:-- 684k
-> Found 0001-fix-loader-location.patch
-> Found wuala.png
-> Found wuala.desktop
-> Found LICENSE
==> Validating source files with md5sums...
wuala.tar.gz ... FAILED
0001-fix-loader-location.patch ... Passed
wuala.png ... Passed
wuala.desktop ... Passed
LICENSE ... Passed
==> ERROR: One or more files did not pass the validity check!
I tryed to install it mannualy and also using yaourt. Nothing works.

What I need to change just checksums or something else? Which checskums to use?
I tryed copy and paste during installation but doesnt work:
http://pastebin.com/MceCxbD3
http://pastebin.com/ziQKuE5t

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>

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.
Regards
Anupam

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 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

Empty file picked although file have lot of data in file adapter SAP PI

Hello All,
We are facing the weired behaviour of SAP PI file adapter channel.
In without mapping Scenario of 7.31
At some time whole file is archived properly in archive folder but in SAP PI log we can see the file size 0 bytes.
And at received side empty file will be sent.
But in actual there is lot of data in the file.
The same file triggered next time then it working fine.archived and sent as it is.
So can anybody help me for this ?what is the issue why sometime file with no data is picked by PI?
If file is pick up by PI before it is written completely by third party then is it possible that archived file will have all data as it although processed empty ?
Thanks in advance,
Anant

Hi,
Thanks for reply.
I know this is common issue of file picking before completing the process of file writting and also i can use Msec to wait before modification check for avoiding this but
my question is how the archived folder have the file with all data that sender is sending.
So is it possible that empty file (before compete writting )is picked up by sap pi and then after completing the picking process it will archive the file that is completely written by third party in source folder.
In other way file picking & File archiving is separate process means file that is picked is not archived but once pi processed the file then it will again check the source folder and archive and delete the same file.
Thanks
Anant

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

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 : Do Not Create Message

Hi,
I have set this option in Sender CC - file.
Parameters --> Processing.
I dont want to pass file to reciever , when file is empty.
Will the above option "Do Not Create Message" do the trick.
OR do i need to choose something else??
-santosh.

Santosh,
Yes. The trick will work for empty file handling.
When your incoming file is empty then will be no xml message posted to IE and hence receiver will not get any message.
FYI: Also you can use skip empty files which will do the same but here the files will remain in your source directory.
Regards,
Prasanthi.

Sender FCC with unbounded RecordSet Structure produces Empty File

Hi Experts,
My scenario is File (FTP) to IDoc, using FCC on the sender.
The source file is a flat file representation of the IDoc e.g. with the segment names preceeding each record row.
FCC parameters are as follows:
RecordSet Name: Z1RECORDSETNAME
RecordSet Structure: EDI_DC,1,E1TPDLH,1,Z1TPI2H,1,E1TPACC,E1TPTRM,,E1EDT13,,E1TPDIH,1,Z1TPI2HD,1,E1TPNOT,*
RecordSet Sequence: Variable OR Ascending
.fieldFixedLengths
.fieldNames
.keyFieldValue
.endSeparator
.keyFieldInStructure
above parameters are used in all segments, except in E1TPNOT where ignoreRecordsetName is added
My issue is when the test file contains more than 1 value for the unbounded segments E1TPTRM, E1EDT13 (e.g. 3 row values for E1TPTRM and 2 row values for E1EDT13) the Content Conversion succesfully finishes but produces an Empty File (size = 0)
Does anyone know how to fix this issue? Am i missing something in the parameters to be able to support the current file structure?
Kindly share your ideas/solution
I've tried to edit the test file to have only 1 record value for the unbounded segments and it is succesfull and does not produce an empty file.

Try giving
EDI_DC,1,E1TPDLH,1,Z1TPI2H,1,E1TPACC,E1TPTRM, * ,E1EDT13, * ,E1TPDIH,1,Z1TPI2HD,1,E1TPNOT,*
I got it, i guess even you have given the astrix after E1TPTRM and E1EDT13 and it changed to bold.
Ok ignore my answer.

Error in processing empty files

We have a requirement where in we the source system sends an empty file (xml,csv,txt) and XI shud process this file and send it to the target systems.
It is a file 2 file scenario we are using.
I have checked the option in the file adapter which says "process empty files"
I see the Error message displayed in the Abap stack Unable to read payload from the message object
Can some one point me how to process this empty file.
Thanks,
Nandini

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.
These three options are available for handling empty files in XI SP 19 and PI SP 10 and above.
Select the option :Do Not Create Message"

FTPS: Writing empty files

Hi Gurus,
I have PROXY -> XI -> File scenario and we have to use FTPS to secure the connection.
I have done the following steps -
1. Imported the public key certificate from 3rd party FTP server into the Trusted CA section of the Keystore in visual Admin. The CN name in the certificate is same as the server name maintained in communication channel.
2. In File receiver Comm channel -
      a. I have selected the connection security as FTPS for control and data connection.
      b. command order is default command order.
      c.. Use X.509 certificate is unticked and no certificate is selected.
      d. A valid user name and password entered in comm channel. (the password is correctly entered)
      e. Target directory maintained as /xxx/xxx (which is the default directory of the user)
3. The third party server can do FTPS as I am successfully able to connect and transfer files to the directory on that server using File-Zilla tool. When I try and connect using FTPS using File-Zilla, it prompts me for the certificate and once I accept the certificate, I can see the files in the folder. I used the same user id and password in FileZilla that I have used in comm. Channel.
When I run the scenario (we have PI7.0), its writing empty files in the folder on the target server. When checked in RWB its throwing error - Error occurred while connecting to the FTP server "xxxx.xxxx.com:21": iaik.security.ssl.SSLCertificateException: Peer certificate rejected by ChainVerifier.
If I change the target directory from the /xxx/xxx to '/' (without quotes) then no file is written and I get error - An error occurred while connecting to the FTP server 'xxx.xxx.com:21'. The FTP server returned the following error message: 'com.sap.aii.adapter.file.ftp.FTPEx: 553 Could not create file.'. For details, contact your FTP server vendor.
The permissions for the folder are 777 and the file name is as simple as abc.xml.
My contact on the target server is not able to help either as I am able to connect to his server using FTPS.
Not sure whats going wrong. Any help will be appreciated.
Thanks,
Rahul.

Hi Rahul,
Try selecting the keystore and X.509 certificate that you loaded in VA, in the communication channel.
I think you need to specify this certificate in communication channel for verification.
Also please check Q24 of Note 821267 - FAQ: XI 3.0 / PI 7.0/ PI 7.1 File Adapter (I think you loaded the certificate to trustedCA as described in this note)
if didnt work check your command order AUTH TSL,USER,PASS,PBSZ,PROT
have look into this thread as well Re: FTP/SSL Connection Problem for FTP Receiver Adapter
regards,
francis

REG: Handling empty files

Hi All,
I have a flat file as input and to convert it into xml i am using FCC. When i get an empty file my channel is picking up the file and it is failling in the mapping because file is blank.I want document name and the namespace created for that empty file so it wont fail in the mapping. the reason i need empty file is ,i need the name of the file.Please suggest me a solution how this can be achived.
Thanks in advance,
Siva

Hi
Then write a logic for the node
if Source node (ifexits) then map the source node to Target node
else
Map constant (Space) to the target node , if no source node the it will create just target node.
rgds
srini

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 File valid source file

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