Passenger 'premature end of script headers' error

Posted by fatnic on Server Fault See other posts from Server Fault or by fatnic
Published on 2010-09-28T06:05:08Z Indexed on 2011/02/26 23:26 UTC
Read the original article Hit count: 249

Filed under:

apache

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ubuntu

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ruby

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passenger

Hi. I really need help debugging an error I'm getting with Passenger on Apache.

I've just made a fresh install of Ubuntu 10.4 and have Apache, Ruby and Passenger installed. I'm trying to run a simple rack app but keep getting this error in my Apache error.log

[Tue Sep 28 05:54:41 2010] [error] [client 86.171.2.82] Premature end of script headers:

The error then continues with

The backend application (process 25574) did not send a valid HTTP response; instead, it sent nothing at all. It is possible that it has crashed; please check whether there are crashing bugs in this application.
*** Exception NoMethodError in PhusionPassenger::Rack::ApplicationSpawner (undefined method `call' for nil:NilClass) (process 25574):

I've tried older versions of passenger also but get the same error.

Ubuntu 10.4
Apache 2.2.14
Ruby 1.9.2-p0
Passenger 2.2.15

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