Resolution:

Description:
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If your external process is copying a large file to an MFT inbox, the MFT poller may detect the file before the file is fully written.  Will the MFT agent be able to detect that the file is still being written to and postpone a transfer or will it start transferring a partially written file?

Environment:
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TIBCO Managed File Tranfer Agent 1.X.X all versions.

Resolution:
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The MFT agent will try sending the file as soon as it detects it.  It has no way of knowing whether the file is still being written.

To get around this issue, make sure to use a file mask on the outbound poller and then transfer the file into the poller directory under a different name that will not match the filter.  Rename the file to match the mask after you have transferred it into the output directory.

Can the Managed File Transfer (MFT) Agent start a file transfer from an inbox even though that file is not completely written?