Double console output?

Question

Suddenly when I run my app locally, I get double console output. Does anybody know what might have caused this? The problem exists both when running Thin and Unicorn

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Answer 1

We found this was caused by running the Rails server via

$ rails server

rather than

$ thin start

When using the latter, the double-logging problem goes away. Unfortunately we didn't have time to lock down the cause, we just changed the way we launched Thin and moved on.