[#JRUBY-65] Text that comes out of Java APIs mixes poorly with text that doesn't

JRuby

Text that comes out of Java APIs mixes poorly with text that doesn't

Created: 07/Aug/06 01:41 PM Updated: 30/Apr/07 03:11 AM

Component/s:

Java Integration

Affects Version/s:

JRuby 0.9.0

Fix Version/s:

JRuby 0.9.9

Time Tracking:

Not Specified

File Attachments:	1. jrexml.rb (7 kB) 2. jruby_seekable_io.patch (0.5 kB) 3. t.rb (0.3 kB)
Environment:	Latest Ubuntu, Java 1.5.0_06, latest JRuby

Description

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If I build up a string in JRuby, some of which comes out of the Java libraries, there are anomalies. In the attached file I parse a chunk of XML then serialize it again out of the DOM. It contains some non-ASCII characters. If I puts it to STDOUT, it is converted to UTF-8. If I write it to a file, it is apparently broken.

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Thomas E Enebo added a comment - 07/Aug/06 10:01 PM

This patch does fix your test case and also allows ant test to run. Unfortunately, it breaks rubygems.

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Thomas E Enebo added a comment - 07/Aug/06 10:07 PM

I have a patch which fixes your problem attached. It also runs ant test fine. However, it dies in RubyGems and it is getting late for me; So I figured I may as well dump what I have right now.

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Charles Oliver Nutter added a comment - 27/Sep/06 07:31 PM

Tom, you started a fix...got some time to wrap up the last minor issues?

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Charles Oliver Nutter added a comment - 03/Apr/07 09:01 PM

This could actually be a larger issue now that we have a byte[]-based String impl. We need to address interop before 1.0, which means it should be in for 0.9.9.

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Charles Oliver Nutter added a comment - 17/Apr/07 03:02 PM

If there was an encoding problem before, it doesn't seem to be present anymore. However it seems like this may now be an issue of when to flush a file. If I change the code in t.rb from this:

File.new("rd-bug", "w").write(e)

to this:

File.open("rd-bug", "w") {|f| f.write(e)}

The file contents match the stdout output. This tells me that a bare write on an open file, without an explicit close, does not get flushed to disk. Correct Ruby behavior appears to be that streams should close and flush on exit. I will file that as a separate bug.