Protobuf: Issue with JRuby

Created on 15 Sep 2017 · 6Comments · Source: protocolbuffers/protobuf

Used protoc to generate at.rb. My main.rb literally just includes at.rb and outputs "hello world".

I built the gem from scratch following the instructions in the readme. Tried running my simple ruby program that

RuntimeError: headers.key: "key" is already defined in "headers".
    build at com/google/protobuf/jruby/RubyDescriptorPool.java:84
   <main> at /root/work/at/at.rb:6
  require at org/jruby/RubyKernel.java:955
   (root) at uri:classloader:/jruby/kernel/kernel.rb:1
   <main> at main.rb:1

P3 bug ruby

Source

bryanvpham

Most helpful comment

JRuby has been continuously maintained for over ten years and is still in very active use at many organizations. Can we get this fixed?

headius on 3 Oct 2019

👍3

All 6 comments

My impression is Jruby is currently broken and not maintained by anyone.. Adding @haberman for more info.

liujisi on 15 Sep 2017

The workaround I found (for now) is to rename map structures and have unique names for all of them. Because as soon as I repeat the map name we get the exact same error.

felixcuello on 12 Dec 2017

Do you guys found another way to solve this issue? @bryanvpham @pherl

mjmateuci on 12 Dec 2017

JRuby has been continuously maintained for over ten years and is still in very active use at many organizations. Can we get this fixed?

headius on 3 Oct 2019

👍3

At the moment I don't think we have anyone working on protobuf who is knowledgeable about JRuby unfortunately, but we would be glad to accept pull requests with fixes.