DRb hangs when transferring Ruby objects created in Java
--------------------------------------------------------
Key: JRUBY-1235
URL: http://jira.codehaus.org/browse/JRUBY-1235
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.0.0
Environment: Mac OS X Tiger
Reporter: Kyle Maxwell
Priority: Minor
If I use a Java class to create Ruby objects, they cannot be sent over DRb. i.e:
package com.kylemaxwell.development;
import org.jruby.*;
import java.util.*;
public class Fu
{
public static RubyHash rubyHashPlease()
{
Ruby jruby = Ruby.getDefaultInstance();
HashMap map = new HashMap();
map.put(
RubyString.newUnicodeString(jruby, "foo"),
RubyString.newUnicodeString(jruby, "bar")
);
return new RubyHash(jruby, map, new RubyNil(jruby));
}
}
# jirb
> require "java"
=> true
> Fu = com.kylemaxwell.development.Fu
=> Java::ComKylemaxwellDevelopment::Fu
> Fu.ruby_hash_please
=> {"foo"=>"bar"}
> Fu.ruby_hash_please
=> {"foo"=>"bar"}
> Marshal::dump _
=> "\004\010{\006\"\010foo\"\010bar"
> Marshal::load _
=> {"foo"=>"bar"}
> require 'drb'
=> true
> DRb.start_service nil, Fu
=> #<DRb::DRbServer:0x9...
> DRb.uri
=> "druby://kyle.wan:59476"
# other window...
> require 'drb'
=> true
> DRb.start_service
=> #<DRb::DRbServer:0x679f...
>> Fu = DRbObject.new nil, "druby://kyle.wan:59476"
=> #<DRb::DRbObject:0x65bd14 @ref=nil, @uri="druby://kyle.wan:59476">
> Fu.ruby_hash_please
# Hangs....
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