SFTP Spring download multiple files

This is how to upload and download multiple .txt-files.
Enjoy! :-)
Thank you for commenting and asking questions.
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[@denisr.8248]

This Video was amaizing man ty a low

[@MikesTechCorner]

Thank you :)

[@tlli7556]

Nice explanation. Can the same file(2GB) be read twice? If I make the application run simultaneously twice (similar to 2 containers), both of them point to the same beinguploaded folder. If yes, how can I prevent it?

[@MikesTechCorner]

Yes the file can be read many times at the same time. You have to code a custom solution to prevent that. The easiest solutions would be to create a lock (maybe a boolean in a service + a timestamp). And when the next thread (user) tries to take the lock then an exception is thrown instead. Since the lock has been taken.

[@okaberintarou5020]

@@MikesTechCornerHow do I use lock here? Like two instances are running on different machines.