We're implementing a bulk upload for the migration tool to Box. We're trying to solve recurring 429 and 5XX errors with the help of the exponential back-off strategy suggested in Box documentation (https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/). In most of the cases it seems to help us to fight with 429 and 5XX errors.
However, when doing a test with ~2000 files I noticed that Box failed to upload 1 of our files and we received 400 Bad Request error for that file.
BoxException: The API returned an error [BadRequest] bad_request - Invalid argument supplied to runmode request: Success(http://loopback-pool.prod.box.net:25200/index.php?from_upload_proxy=1&upload_start=1637933861.663&folder_id=150973568617&upload_type=api_v2&rm=upxy_get_storage_encryption_params_api GET headers: X-From-Upxy:1 Box-Request-Id:7900ec92c0f5bc1e Authorization:Bearer [OUR_TOKEN_HERE] X-Forwarded-For:126.96.36.199, 10.241.4.71, 10.133.60.30) java.nio.channels.UnresolvedAddressException
I manually replaced our token with [OUR_TOKEN_HERE] in the message. We are sure that our token is functional since all next upload requests are succeeding with the same token.
If it will help you to track down the error, the error happened at "Fri, 26 Nov 2021 13:37:41 GMT". Actually, it is the second time we experienced this error. We got similar exception at "Fri, 26 Nov 2021 12:51:16 GMT" as well.
What is the issue here? Are we doing something wrong or it is a bug in the SDK/API itself?
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