File sender adapter is not working

Hello All,
We are facing a problems with file sender adapter. Communication channel is not picking the files from the directory, but the status in RWB for that channel is 'Functioning'. We are not sure whether the channel is locked or any other problewm with adapter. (In Alternate option, we have created copy of that channel and when it is activated, it picked the file )
Can anyone help us how to identify whether channel is locked and any other solutions in this case.
Regards,
Sreenvias.

Hi Srinivas,
The file adapter ( The respective channel) is definitely locked in PI . Ideally for each polling interval a lock is being created and once the processing is over , the lock should be released/deleted automatically to allow further polling interval. If the lock is not released by the system automatically,further polling will not happen as expected. ( This may affect all sender file adapters as well. I would recommend to do a check in al sender file communication channels)
You can see/delete the locks in Visual admin.
Go to Server>Services->Locking adapter and click refresh
The entries for file adapter ( with name $XIAFFileAdapter) should be deleted by selecting those particilar entries and click delete selected locks.
If you have more than one node, then same should be done in all server nodes.
The temprory solution would be creating/copy the existing channel in ID with same properties and assign it into particular sender agreement.
But, the lock may be created again which potentailly stops all your file based interfaces. Hence i would suggest to use Timeout parameter avialable in file sender adapter which termiates FTP session as you defined, This should solve your issue permanently.
The FTP server do have thier own time out settings but if you don't defne any particulat time out in PI, the FTP server forcefully disconnects the FTP sessions which created locks in PI.
Hope this solves your issue.
PS: The same bahaviour would expected for all sender JDBC adapter as well

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If this answers your question please mark it accordingly. If this post is helpful, please vote as helpful.

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Hi everybody,
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[Note 1549500 - XPI File Adapter exactly once procedure fails|https://websmp230.sap-ag.de/sap(bD1wdCZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=1549500]
[Note 1361305 - File sender adapter generates duplicate message IDs.|https://websmp230.sap-ag.de/sap(bD1wdCZjPTAwMQ==)/bc/bsp/spn/sapnotes/index2.htm?numm=1361305]

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Up until now our company has only used the file sender adapter with ftp protocol to get a file from our XI server for processing and input the file into an integration process
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Thanks for your responses.
I have found the error messages in the File Adapter Monitor
Scenario 1
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Questions
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Hi Shabarish,
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Specifying the Backup transport is not going to solve the problem. Specifying the backup transport in this case is something like addressing the symptom of the issue and not finding the solution to root cause of the issue.
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FILE send adapter cannot open file <folder name\guid.txt > for writing." would just be a warning message. Just by setting the retry in the send port will solve the issue. i..e Since this issue occurs rarely, it may be short lived glitch.
So by setting the retry count (lets say 3 times) with retry interval (let say 5 mins), this issue can be easily mitigated. You would not lose the message. So during the glitch you would get this message as warning, send port will retry "after specified
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But you need to find the actual cause for this issue or you need to find the permanent resolution for this issue.
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.

File sender adapter is not working

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