Skip to main content
Question

S3 connector cannot connect

  • January 22, 2026
  • 1 reply
  • 10 views
bramvr
Contributor
Forum|alt.badge.img+2

Hi,

I'm running a bit older version of FME Flow (2023.2.5). I'm trying to upload files to an S3 type storage with the S3 connector. In FME Form it’s working fine, FME Flow fails: FMEException: 933502: S3Connector: There was an error connecting to Amazon S3: 'Connect timeout on endpoint URL: "**"'. Confirm that your credentials and region settings are correct. Some regions are not publicly available - contact AWS for more information.

If I use a PythonCaller with the same credentials it's working fine, so I guess it's not a network or proxy problem. 

I've tried using an older version of the S3 connector, but with the same results.

If anybody has an idea how to fix this or where to look I would be very grateful!

Cheers,

Bram

      1 reply

      ebygomm
      Influencer
      Forum|alt.badge.img+46
      • ebygommInfluencer
      • Influencer
      • January 22, 2026

      I’ve found that different transformers don’t necessarily pick up certificate and proxy settings from the same places. 

      Proxy settings to check

      • proxy settings on FME Flow via the user interface
      • system proxy settings set on server for the user running FME Flow
      • environmental variables

      Community Stats

      32,313
      Posts
      122,623
      Replies
      40,024
      Members

      Latest FME

      Terms & ConditionsCookie settingsAccessibility statement
      A product of
      Safe Software respectfully acknowledges that we live, learn and work on the traditional and unceded territories of the Kwantlen, Katzie, and Semiahmoo First Nations.