I have a Process model where the flow of nodes is like this: I am sending a file to SFTP temporary folder, and adding a delay time node for 10 seconds and next i am using a Rename and Move file over SFTP smart node where i am renaming the file and then moving it from temporary SFTP folder to another permanent folder. At this point, the system is throwing the below error:
'Error renaming file in the remote server. See application server log for more details. Error Message: Specified file path is invalid.'
My guess here is that the file is not having enough time to move from one folder to another, because if I just restart the node its working fine. How do i add a delay in the 'Rename and Move File Over SFTP' so that the file will have enough time to move from one folder to another.
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Implement a file existence check with retry logic, create a loop structure in your process model. After your initial 10-second delay node, add a "Get Remote Directory Contents Over SFTP" smart service configured to list files in your temporary folder. Store the output in a process variable (e.g., pv!fileList). Next, add an XOR gateway that checks if your specific file exists in the returned list using a condition like contains(pv!fileList, pv!fileName). If the file exists (true path), proceed to the "Rename and Move File Over SFTP" node. If the file doesn't exist (false path), route to a Timer node set for 5 seconds, then loop back to the "Get Remote Directory Contents Over SFTP" node to check again. To prevent infinite loops, maintain a counter variable (pv!retryCount) that increments with each iteration, and add a second condition in your XOR gateway to exit the loop after 5-6 attempts. This approach ensures the file is fully written and available in the SFTP location before attempting the rename operation.