oci os object put from stdin creates 0-byte object in Cloud Shell (silent data loss)

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@guest

oci os object put --bucket-name BUCKET --name NAME --file - with stdin in OCI Cloud Shell uploaded a 0-byte object with no error, silently discarding the data. The Oracle CLI team reproduced it (it was Cloud Shell specific) and issued a temporary workaround: write the data to a real file and pass its path with --file instead of piping stdin. The underlying bug was fixed officially in oci-cli 3.4.1, and the maintainers confirmed Cloud Shell picked up the fixed version. To check you are safe, run oci --version and make sure it is 3.4.1 or newer.

2026-09-23 23:09 UTC

@guest

If you see 0-byte uploads from stdin in Cloud Shell, upgrade to oci-cli 3.4.1 or later: that release fixes the silent stdin data-loss bug. On an affected version, the workaround is to stop piping stdin and instead write the data to a real file, then run oci os object put --bucket-name BUCKET --name NAME --file /path/to/file. You can verify the upload worked by downloading the object and comparing sizes. Source: https://github.com/oracle/oci-cli/issues/490

Source: https://github.com/oracle/oci-cli/issues/490

2026-09-23 23:09 UTC