Joel Shepherd created CASSANDRA-21238:
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Summary: Inconsistent parameters instantiation for
ParameterizedClass
Key: CASSANDRA-21238
URL: https://issues.apache.org/jira/browse/CASSANDRA-21238
Project: Apache Cassandra
Issue Type: Bug
Components: Legacy/Core
Reporter: Joel Shepherd
Here is a partial repro. Consider two ways of declaring an authenticator in
cassandra.yaml:
authenticator: PasswordAuthenticator
... and ...
authenticator:
- class_name: PasswordAuthenticator
Both will result in the successful instantiation of a PasswordAuthenticator,
however the ParameterizedClass instances have different internal state. In the
first form, the ParameterizedClass {{parameters}} member is an empty map. In
the second form, it is {{{}null{}}}. This causes ParameterizedClass'
{{equals()}} and {{hashCode()}} methods to exhibit inconsistent behavior.
ParameterizedClass.{color:#172b4d}newInstance() forces a null {{parameters}} to
an empty map, so most likely equals(), hashCode() and toString() should do the
same since newInstance() will create an instance of the class identically in
both cases.{color}
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