Commits on Apr 9, 2018

1. Set DRb conn pool to [] after closing connections …

   After forking and closing open DRb pooled connections set the pool to []
   to prevent other calls calling `conn.close` on already closed
   connection.  This prevents the following:
   
   ```
   [NoMethodError]: undefined method `close' for nil:NilClass
   Did you mean?  clone
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1258:in `close'
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1237:in `block in open'
   /opt/rh/rh-ruby23/root/usr/share/ruby/sync.rb:234:in `block in sync_synchronize'
   /opt/rh/rh-ruby23/root/usr/share/ruby/sync.rb:231:in `handle_interrupt'
   /opt/rh/rh-ruby23/root/usr/share/ruby/sync.rb:231:in `sync_synchronize'
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1235:in `open'
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1141:in `block in method_missing'
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1160:in `with_friend'
   /opt/rh/rh-ruby23/root/usr/share/ruby/drb/drb.rb:1140:in `method_missing'
   lib/gems/pending/VMwareWebService/MiqVimBroker.rb:419:in `getMiqVim'
   ```
   
   https://bugzilla.redhat.com/show_bug.cgi?id=1562401

   

   agrare committed Apr 9, 2018
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