[BUILDR-489] Java + Scala joint compiler fails if default encoding and source file encoding are not same and special characters have been used in source code

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.1
• Fix Version/s: 1.5
• Component/s: Compilers
• Environment: Windows XP; Java 1.6; Scala 2.8; JRuby 1.4.0
• Assignee: Antoine Toulme
• Reporter: Jyri Kytömäki
• Created: 05/Aug/10 08:18
• Updated: 15/Aug/16 07:00
• Resolved: 15/Aug/16 07:00

Description

Scalac compiler does not pass options for javac.
So if encoding option is set :

compile.options.other = %w{-encoding utf-8}

That option is not passed to javac which fails if some java source files contain special characters.

I fixed the issue in our environment like this:

— a/project/vendor/jruby-1.4.0/lib/ruby/gems/1.8/gems/buildr-1.4.1-java/lib/buildr/scala/compiler.rb
+++ b/project/vendor/jruby-1.4.0/lib/ruby/gems/1.8/gems/buildr-1.4.1-java/lib/buildr/scala/compiler.rb
@@ -152,12 +152,13 @@ module Buildr::Scala

def initialize(project, options) #:nodoc:
super
+ # use common options also for javac
+ options[:javac] ||= { :warnings => options[:warnings], :debug => options[:debug], :deprecation => options[:deprecation], :source => options[:source], :target => options[:target], :other => options[:other] }
options[:debug] = Buildr.options.debug if options[:debug].nil?
options[:warnings] = verbose if options[:warnings].nil?
options[:deprecation] ||= false
options[:optimise] ||= false
options[:make] ||= :transitivenocp if Scala.compatible_28?

• options[:javac] ||= {}

@java = Javac.new(project, options[:javac])
end
–

Issue Links

• is related to: BUILDR-136 Support Scala/Java Joint Compiler