Spanner deletes sessions older than some threshold (28 days). When that happens, Spanner ORM panics and doesn't know what to do causing its clients to receive errors similar to google.api_core.exceptions.NotFound: 404 Session not found: projects/<project name>/instances/<instance name>/databases/<database name>/sessions/<session id>".
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Spanner deletes sessions older than some threshold (28 days). When that happens, Spanner ORM panics and doesn't know what to do causing its clients to receive errors similar to google.api_core.exceptions.NotFound: 404 Session not found: projects/<project name>/instances/<instance name>/databases/<database name>/sessions/<session id>".