JRuby

Ant: "instance vars on non-persistent Java type Java::OrgApacheToolsAnt::UnknownElement"

Details

  • Type: Bug Bug
  • Status: Resolved Resolved
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: JRuby 1.7.0.RC1
  • Fix Version/s: JRuby 1.7.0.RC2
  • Component/s: None
  • Labels:
    None
  • Environment:
    jruby 1.7.0.RC1 (1.9.3p203) 2012-09-25 8e849de on Java HotSpot(TM) 64-Bit Server VM 1.7.0_04-b21 [darwin-x86_64]
  • Number of attachments :
    0

Description

The Ant integration spits out warnings about instance variables on non-persistent Java types. Try running the following command to see them:

ruby -e 'require "ant"; ant { echo :message => "hello" }'

prints

~/.rvm/rubies/jruby-1.7.0.RC1/lib/ruby/shared/ant/element.rb:61 warning: instance vars on non-persistent Java type Java::OrgApacheToolsAnt::UnknownElement (http://wiki.jruby.org/Persistence)

It happens when a Ruby instance variable is created in a attr_accessor added to a Java class, the call is here: https://github.com/jruby/jruby/blob/master/lib/ruby/shared/ant/element.rb#L62 but the error probably happens here https://github.com/jruby/jruby/blob/master/lib/ruby/shared/ant/element.rb#L9

This looks like JRUBY-6721, but I'm not sure since that is marked as fixed.

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Charles Oliver Nutter added a comment - 
commit f94ab1290d21c27bb64294b70bba5495a611019c
Author: Charles Oliver Nutter <headius@headius.com>
Date:   Fri Oct 5 11:49:22 2012 -0500

    Fix JRUBY-6918
    
    Ant: "instance vars on non-persistent Java type Java::OrgApacheToolsAnt::UnknownElement"
    
    Marked the class in question as __persistent__.

:100644 100644 e5384bc... 32dd2cb... M  lib/ruby/shared/ant/element.rb
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Charles Oliver Nutter added a comment - commit f94ab1290d21c27bb64294b70bba5495a611019c Author: Charles Oliver Nutter <headius@headius.com> Date: Fri Oct 5 11:49:22 2012 -0500 Fix JRUBY-6918 Ant: "instance vars on non-persistent Java type Java::OrgApacheToolsAnt::UnknownElement" Marked the class in question as __persistent__. :100644 100644 e5384bc... 32dd2cb... M lib/ruby/shared/ant/element.rb

People

  • Assignee:
    Charles Oliver Nutter
    Reporter:
    Theo Hultberg
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Dates

  • Created:
    Updated:
    Resolved: