When installing a Rally work item connector, install_gems.rb fails with the following error:
# ruby install_gems.rb
ERROR: While executing gem ... (OptionParser::InvalidOption)
invalid option: --no-ri
This error repeats several times
This is caused by trying to use an unsupported version of Ruby gem to install the connector. Version 3.0+ has deprecated the --no-ri option.
In order to ensure you have the correct version of gem, ensure you are installing the Ruby 2.2.6 bundle as this is the supported version of Ruby for work item connectors.
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