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Spring Integration file only once from SFTP across several sessions

I have a Spring Integration WorkFlow which downloads files from a SFTP directory. This is done with a RemoteFileInboundChannelAdapterSpec and IntegrationFlows.
Spring Integration remembers within a session which files it has already downloaded, can I do this across sessions e.g. through a database and if so how?


It is done not within the session, but by some specific FileListFilter implementation . For your goal we suggest an SftpPersistentAcceptOnceFileListFilter where its MetadataStore could really be based on some shared database. See more in docs: