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popen3 doesn't works fine with java 9/10 and jruby > 1.9.13 #5235

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areman opened this issue Jun 30, 2018 · 7 comments
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popen3 doesn't works fine with java 9/10 and jruby > 1.9.13 #5235

areman opened this issue Jun 30, 2018 · 7 comments
Milestone
JRuby 9.2.8.0

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@areman
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areman commented Jun 30, 2018

The stdout, stderr is not captured with java 9 and 10.

I'm running this simple test on Ubuntu 16.04 and SLES with the same result

require 'open3'

Open3.popen3('echo 123') do |_stdin, stdout, _stderr|
  out = stdout.read.strip
  fail "exprected '123' but got '#{out}'" unless out == '123'
end

With Java 10.0.1 and 9.1.13 it works fine.
Starting from jruby 9.1.14 the test fails.
Switching to Java 1.8.0_144 the test works again with jruby version greater than 9.1.13.
@headius
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headius commented Aug 16, 2018

Works properly on MacOS with JRuby 9.2.1. I'll confirm it works on Linux too.

@headius
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headius commented Aug 16, 2018

This appears to be working with JRuby 9.1.17 and 9.2 on both MacOS and Linux.

@headius headius closed this as completed Aug 16, 2018
@headius headius added this to the JRuby 9.1.17.0 milestone Aug 16, 2018
@headius headius reopened this Aug 16, 2018
@headius
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headius commented Aug 16, 2018

Oops, I just realized this was reported against Java 9/10. Reopening.

@headius headius modified the milestones: JRuby 9.1.17.0, JRuby 9.2.1.0 Aug 16, 2018
@lberoiza
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Thank you all for your answers.

But the problem is that popen3 doesn't works fine with java 9/10 and jruby 1.9.13

@headius
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headius commented Oct 11, 2018

Relates to #4835 which will continue work in 9.2.2.

@headius headius modified the milestones: JRuby 9.2.1.0, JRuby 9.2.2.0 Oct 11, 2018
@enebo enebo modified the milestones: JRuby 9.2.5.0, JRuby 9.2.6.0 Dec 6, 2018
@headius headius modified the milestones: JRuby 9.2.6.0, JRuby 9.2.7.0 Dec 18, 2018
@enebo enebo modified the milestones: JRuby 9.2.7.0, JRuby 9.2.8.0 Jan 9, 2019
@headius
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headius commented Aug 7, 2019

This seems to work fine for me on Java 11 on MacOS:

require 'open3'

Open3.popen3('echo 123') do |_stdin, stdout, _stderr|
  out = stdout.read.strip
  p out
end
$ jruby -v x.rb
jruby 9.2.8.0-SNAPSHOT (2.5.3) 2019-08-06 4d4d303 OpenJDK 64-Bit Server VM 11.0.2+9 on 11.0.2+9 +jit [darwin-x86_64]
"123"

@headius headius closed this as completed Aug 7, 2019
@headius headius mentioned this issue Aug 7, 2019
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@JonRowe
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JonRowe commented Nov 21, 2020 •
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This is happening on "JRuby 9.1.17.0" for "ubuntu 20.04" on Github actions, it might be the default Java for that release is broken? https://github.com/rspec/rspec-support/runs/1435614749?check_suite_focus=true

edit indeed using 18.04 fixes this issue, for other people googling

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@headius @enebo @JonRowe @areman @lberoiza