Jruby NoSuchMethodError：org.jruby.RubyClass.defineMethod

Question

Environment

• JRuby version : jruby 9.0.0.0 (2.2.2) 2015-07-21 e10ec96 Java HotSpot(TM) 64-Bit Server VM 25.65-b01 on 1.8.0_65-b17 +jit [linux-amd64]

• Java version ➜ trunk java -version java version "1.8.0_65" Java(TM) SE Runtime Environment (build 1.8.0_65-b17) Java HotSpot(TM) 64-Bit Server VM (build 25.65-b01, mixed mode)

• Operating system and platform

  ➜ trunk uname -a Linux swapnil-Lenovo-Z50-70 4.2.0-27-generic #32-Ubuntu SMP Fri Jan 22 04:49:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

  ➜ trunk lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 15.10 Release: 15.10 Codename: wily

Relevant info:

• Gemfile , Gemfile.lock
• Application/framework version: rails 3.2.22.1
• Environment variables

Expected Behavior

rails c should start a rails console

Actual Behavior

Exception : LoadError: load error: hpricot_scan -- java.lang.NoSuchMethodError: org.jruby.RubyClass.defineMethod(Ljava/lang/String;Lorg/jruby/runtime/callback/Callback;)V

 ➜ trunk rails c /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/prawn-core-0.8.4/lib/prawn/core.rb:34: warning: already initialized constant VERSION LoadError: load error: hpricot_scan -- java.lang.NoSuchMethodError: org.jruby.RubyClass.defineMethod(Ljava/lang/String;Lorg/jruby/runtime/callback/Callback;)V require at org/jruby/RubyKernel.java:940 block in require at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/activesupport-3.2.22.1/lib/active_support/dependencies.rb:251 load_dependency at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/activesupport-3.2.22.1/lib/active_support/dependencies.rb:236 require at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/activesupport-3.2.22.1/lib/active_support/dependencies.rb:251 <top> at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/hpricot-0.8.6-java/lib/hpricot.rb:20 require at org/jruby/RubyKernel.java:940 block in (root) at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/bundler-1.11.2/lib/bundler/runtime.rb:1 each at org/jruby/RubyArray.java:1560 block in require at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/bundler-1.11.2/lib/bundler/runtime.rb:77 each at org/jruby/RubyArray.java:1560 require at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/bundler-1.11.2/lib/bundler/runtime.rb:72 require at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/bundler-1.11.2/lib/bundler/runtime.rb:61 <top> at /home/swapnil/.rvm/gems/jruby-9.0.0.0@JayApp/gems/bundler-1.11.2/lib/bundler.rb:99 require at org/jruby/RubyKernel.java:940 <top> at /home/swapnil/Rails/Lab/MA-JRuby/trunk/config/application.rb:15 require at org/jruby/RubyKernel.java:940 <top> at script/rails:6 

Answer 1

Hpricot has not been updated in many years and appears to be using APIs we removed in either JRuby 1.7 or JRuby 9k. It will need to be updated and re-released, or you'll need to use something else.