Disconnecting client with error: client socket write error: Broken pipe - passenger 5.0.2

Question

When I start Phusion Passenger Standalone web server (version 5.0.2), I see the following error in the log (even though everything works fine otherwise):

ServerKit/Server.h:892 ]: [Client 1-1] Disconnecting client with error: client socket write error: Broken pipe (errno=32)

Any idea what might be causing it?

Note: I start the server with foreman start and I stop it with control-c.

Answer 1

Passenger author here. Actually, the issue maxd linked to has got nothing to do with it.

The "Disconnecting client with error: client socket write error: Broken pipe" is a harmless informational message. It's quite normal, but I forgot to give it a lower logging level. I will do that in the next release. You can safely ignore this message. Nothing bad is going on.