Connection reset by peer - Always the same but just for me

Updating jruby to the version 1.7.22 also didn’t help…

$jruby -v jruby 1.7.22 (1.9.3p551) 2015-08-20 c28f492 on OpenJDK 64-Bit Server VM 1.7.0_79-b14 +jit [linux-amd64]