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When running gem install I get the following: 

gregoryostermayr@gregors test $ gem install jruby-boilerpipe
ERROR:  Could not find a valid gem 'jruby-boilerpipe' (>= 0) in any repository
ERROR:  Possible alternatives: boilerpipe, jruby-coercion, jruby_coercion

If I create a Gemfile and use bundler to install everything works as normal:

gregoryostermayr@gregors test $ bundle install
Fetching gem metadata from https://rubygems.org/.
Fetching version metadata from https://rubygems.org/
Resolving dependencies...
Installing jruby-boilerpipe 0.2.0.rc2

Network access doesn't seem to be an issue - trying from an MRI ruby installation results in the same. Anyone else ever see this?

Gregory Ostermayr
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    Does `gem install jruby-boilerpipe --pre` work? Do you specify a version in your `Gemfile`? – matt Feb 11 '17 at 17:56
  • This is exactly what is going on - the only versions published have rc versions. Submit this as an answer Matt and I'll accept it – Gregory Ostermayr Feb 13 '17 at 15:41

1 Answers1

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The only versions of that gem currently available are “prerelease” gems, as the versions all end in rc1 or rc2.

To install it, use the --prerelease option to install (you can shorten this to just --pre:

$ gem intstall jruby-boilerpipe --pre

It appears that Bundler automatically installs prerelease gems if they are the only ones available.

matt
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