I’m using jruby 1.7.2 and setting up a new rails app. Bundler appears unable

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Asked: June 9, 20262026-06-09T05:20:46+00:00 2026-06-09T05:20:46+00:00

I’m using jruby 1.7.2 and setting up a new rails app. Bundler appears unable

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I’m using jruby 1.7.2 and setting up a new rails app. Bundler appears unable to find the necessary (java/jruby based gems) to use:

> bundle
Could not find gem 'neo4j-core (>= 0) ruby' in the gems available on this machine.

If I specify the path, I get this:

> bundle
Fetching gem metadata from https://rubygems.org/.......
Fetching gem metadata from https://rubygems.org/..
Could not find gem 'neo4j-core (>= 0) ruby' in source at ./vendor/gems/neo4j-core.
Source contains 'neo4j-core' at: 2.0.1

Perhaps bundler is getting confused about its platoform — why would it be tacking the word ruby on the end there? I ran ruby -e "puts RUBY_PLATFORM", which gave me: java