From: deivid.rodriguez@...
Date: 2020-02-21T11:41:37+00:00
Subject: [ruby-core:97230] [Ruby master Bug#16337] kernel_gem.rb:68 -	ThreadError

Issue #16337 has been updated by deivid (David Rodr�guez).


I guess this is because you're not using the latest rubygems. Could you run `gem env version` and check that you have a rubygems version older than 3.1?

You need to request upgrading rubygems to google-fluentd, maybe here: https://github.com/GoogleCloudPlatform/google-fluentd/blob/269ade4d609cd9ae59819bcdfe8977a52727ec72/config/projects/google-fluentd.rb#L19, although it would seem that they're using ruby 2.6 and you're on 2.7, so not sure.

----------------------------------------
Bug #16337: kernel_gem.rb:68 - ThreadError
https://bugs.ruby-lang.org/issues/16337#change-84340

* Author: MSP-Greg (Greg L)
* Status: Third Party's Issue
* Priority: Normal
* Assignee: hsbt (Hiroshi SHIBATA)
* ruby -v: ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
Found with ruby-loco CLI tests

See: https://ci.appveyor.com/project/MSP-Greg/ruby-loco/builds/28731823#L2922

```
> rake --version
Traceback (most recent call last):
  10: from bin/rake:23:in `<main>'
   9: from lib/ruby/2.7.0/rubygems.rb:301:in `activate_bin_path'
   8: from lib/ruby/2.7.0/rubygems.rb:301:in `synchronize'
   7: from lib/ruby/2.7.0/rubygems.rb:303:in `block in activate_bin_path'
   6: from lib/ruby/2.7.0/rubygems.rb:240:in `finish_resolve'
   5: from lib/ruby/2.7.0/rubygems/request_set.rb:435:in `resolve_current'
   4: from lib/ruby/2.7.0/rubygems/request_set.rb:435:in `new'
   3: from lib/ruby/2.7.0/rubygems/resolver/set.rb:24:in `initialize'
   2: from lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:69:in `require'
   1: from lib/ruby/2.7.0/rubygems/core_ext/kernel_gem.rb:68:in `gem'
kernel_gem.rb:68:in `synchronize': deadlock; recursive locking (ThreadError)
```



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