JRuby 1.7-pre2 bug: successive writes to ssl socket are not read

gistfile1.rb

# Outputs "1\n2" in MRI 1.9.3 but just "1" in JRuby 1.7-pre2

require 'socket'
require 'openssl'

host = "127.0.0.1"
port = 9988

ssl_key = "-----BEGIN RSA PRIVATE KEY-----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\n+1Mbtwnd3AXXZBekFDDpE9U3ZQjahoe7oc1oUBuw5hXL\n-----END RSA PRIVATE KEY-----\n"
ssl_cert = "-----BEGIN CERTIFICATE-----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\noQI=\n-----END CERTIFICATE-----"

ctx = OpenSSL::SSL::SSLContext.new
ctx.key = OpenSSL::PKey::RSA.new ssl_key
ctx.cert = OpenSSL::X509::Certificate.new ssl_cert
ctx.verify_mode = OpenSSL::SSL::VERIFY_NONE

tcp_server = TCPServer.new(host, port)
@server = OpenSSL::SSL::SSLServer.new(tcp_server, ctx)

t = Thread.new do
  ios = IO.select [@server]
  ios.first.each do |sock|
    c = sock.accept
    loop do
      ready = IO.select [c]
      ready.first.each do |c|
        data = c.read(1) # read and readpartial are both broken for this test case
        puts data
      end
    end
  end
end

client = TCPSocket.new host, port
sslclient = OpenSSL::SSL::SSLSocket.new(client)
sslclient.connect
sslclient.write "1"
sslclient.write "2"

t.join