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ruby--ruby/test/drb
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Yusuke Endoh fbbc37dc1d test/drb/test_drb.rb: Specify the host of DRbServer 
to try fixing the following error.

http://rubyci.s3.amazonaws.com/opensuseleap/ruby-master/log/20210407T063004Z.log.html.gz
```
[  605/21105] DRbTests::TestDRbSSLAry#test_06_next/home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/lib/drb/drb.rb:1138:in `method_missing': undefined method `regist' for [1, 2, "III", 4, "five", 6]:Array (NoMethodError)
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/lib/drb/extserv.rb:21:in `block in initialize'
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/.ext/common/monitor.rb:202:in `synchronize'
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/.ext/common/monitor.rb:202:in `mon_synchronize'
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/lib/drb/extserv.rb:20:in `initialize'
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/test/drb/ut_array_drbssl.rb:35:in `new'
	from /home/chkbuild/chkbuild/tmp/build/20210407T063004Z/ruby/test/drb/ut_array_drbssl.rb:35:in `<main>'
 = 100.05 s
```

Here is my analysis:
The test of drb used both `druby://:0` and `druby://localhost:0` for
DRbServer. However, the former listens on IPv4, and the latter does on
IPv6, depending on environments. The port 0 is automatically assigned,
but sometimes the same port is used to both because they are different
protocols (IPv4 and IPv6). In this case, their URIs are resolved to the
completely same one (`druby://localhost:port`), which confuses the
method `DRb.here?` which determines the DRbObject is remote or local.

This changeset uses `druby://localhost:0` consistently.
2021-04-07 16:34:19 +09:00
..
drbtest.rb Rename RubyVM::MJIT to RubyVM::JIT 2021-01-13 22:46:51 -08:00
ignore_test_drb.rb
test_acl.rb
test_drb.rb test/drb/test_drb.rb: Specify the host of DRbServer 2021-04-07 16:34:19 +09:00
test_drbobject.rb
test_drbssl.rb test/drb/test_drb.rb: Specify the host of DRbServer 2021-04-07 16:34:19 +09:00
test_drbunix.rb
ut_array.rb
ut_array_drbssl.rb
ut_array_drbunix.rb
ut_drb.rb lib/drb/drb.rb: Use ruby2_keywords for keyword separation 2020-02-15 16:27:03 +09:00
ut_drb_drbssl.rb
ut_drb_drbunix.rb
ut_eq.rb
ut_large.rb
ut_port.rb
ut_safe1.rb
ut_timerholder.rb