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Finatra closes connection #161

davydkov opened this issue Aug 29, 2014 · 1 comment


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commented Aug 29, 2014

Hi everyone

We faced with a problem of using finatra behind nginx. We have two nodes (EC2 c3.large) and nginx as a load balancer. Load is not super high, something around 50-100 req/s.
Sometimes we get errors on nginx

... upstream prematurely closed connection while reading response header from upstream
... connect() failed (111: Connection refused) while connecting to upstream
... connect() failed (111: Connection refused) while connecting to upstream

And as a result we get 502 as a response. Interesting is that there are no exceptions in the logs of finatra or our application. Percent of such errors is below 2%.
Another strange thing, that the same request could be processed or not. So we get this error randomly.

Does anyone have ideas where to start digging?

Finatra 0.15.3
Finagle 6.17.0
Twitter Server 1.7.1


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commented Aug 29, 2014

@davydkov davydkov closed this Aug 29, 2014

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