JRuby EventMachine no such file to load

StackOverflow https://stackoverflow.com/questions/1445059

  •  22-07-2019
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Question

I have intalled EventMachine in JRuby (I am using Win32). When I try the server example, I get an error when 

require 'eventmachine'

The error is:

C:\dev\em>jruby server.rb

server.rb:1:in `require': no such file to load -- eventmachine (LoadError) from server.rb:1

But the gem is installed!

C:\dev\myapp>jruby -S gem install eventmachine
Successfully installed eventmachine-0.12.8-java
1 gem installed
Installing ri documentation for eventmachine-0.12.8-java...
Installing RDoc documentation for eventmachine-0.12.8-java...
Could not find main page README
Could not find main page README
Could not find main page README
Could not find main page README
Was it helpful?

Solution

You need to first load RubyGems,

require 'rubygems'

OTHER TIPS

The gem may not be installed for jruby. Try jgem install eventmachine

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