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  1. Mongoid
  2. MONGOID-5789

Accessing Mongoid object[nil] raises undefined method `include?' for nil:NilClass

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Unknown Unknown
    • 8.1.6, 9.0.1
    • Affects Version/s: 8.0.3, 8.1.4
    • Component/s: None
    • None
    • Fully Compatible
    • Ruby Drivers
    • Not Needed
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      From github discussion: https://github.com/mongodb/mongoid/discussions/5540

      We are seeing this behavior in 8.1.4

      record = Person.first
record[nil]
undefined method `include?' for nil:NilClass      string.include?(".")
            ^^^^^^^^^
/usr/local/bundle/gems/mongoid-8.1.4/lib/mongoid/attributes.rb:272:in `hash_dot_syntax?': undefined method `include?' for nil:NilClass
      
string.include?(".")
            
^^^^^^^^^ (NoMethodError)
    
from /usr/local/bundle/gems/mongoid-8.1.4/lib/mongoid/attributes.rb:297:in `read_raw_attribute'
    
from /usr/local/bundle/gems/mongoid-8.1.4/lib/mongoid/attributes.rb:88:in `read_attribute'

      I can submit a PR to raise a more helpful Mongoid::Errors::UnknownAttribute instead

            Assignee:
            jamis.buck@mongodb.com Jamis Buck
            Reporter:
            dan.healy@dutchie.com Dan Healy
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              Created:
              Updated:
              Resolved: