JRuby

NameError Exception if I try to use syck as YAML engine

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Description

If I run following code in irb

require "yaml"
YAML::ENGINE.yamler = "syck"
[].to_yaml

I get this error:

NameError: uninitialized constant Syck::Yecht
	from org/jruby/RubyModule.java:2569:in `const_missing'
	from org/jruby/RubyClass.java:219:in `allocate'
	from /home/kai/.rvm/rubies/jruby-1.6.4/lib/ruby/1.9/syck.rb:102:in `emitter'
	from /home/kai/.rvm/rubies/jruby-1.6.4/lib/ruby/1.9/syck.rb:399:in `quick_emit'
	from /home/kai/.rvm/rubies/jruby-1.6.4/lib/ruby/1.9/syck/rubytypes.rb:111:in `to_yaml'
	from (irb):3:in `evaluate'
	from org/jruby/RubyKernel.java:1093:in `eval'
	from org/jruby/RubyKernel.java:1419:in `loop'
	from org/jruby/RubyKernel.java:1205:in `catch'
	from org/jruby/RubyKernel.java:1205:in `catch'
	from /home/kai/.rvm/rubies/jruby-1.6.4/bin/irb:17:in `(root)'

I tried to run the webframework padrino with jruby 1.6.4. But the creation of a new padrino project crashs because padrino uses syck as YAML parser.

Issue Links

relates to

Bug - A problem which impairs or prevents the functions of the product. JRUBY-5967 [1.9] Rails fails to start if any library sets YAML::ENGINE.yamler= 'syck'

  • Minor - Minor loss of function, or other problem where easy workaround is present.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.

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Hiro Asari added a comment -

Charlie's fix for JRUBY-5967 should fix this one, too.

Now, Padrino still fails to generate a project in 1.9 mode, but's probably another ticket.

[system] ~ $ jruby --1.9 -S padrino --version
Padrino v. 0.10.5
[system] ~ $ jruby --1.9 -S padrino g project myapp
Please specify generator to use (project, app, mailer, controller, model, migration, plugin)
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Hiro Asari added a comment - Charlie's fix for JRUBY-5967 should fix this one, too. Now, Padrino still fails to generate a project in 1.9 mode, but's probably another ticket. [system] ~ $ jruby --1.9 -S padrino --version Padrino v. 0.10.5 [system] ~ $ jruby --1.9 -S padrino g project myapp Please specify generator to use (project, app, mailer, controller, model, migration, plugin)

People

  • Assignee:
    Hiro Asari
    Reporter:
    Kai D
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    Updated:
    Resolved: