[jira] [Created] (NIFI-3733) StandardValidationContext may use wrong default value for PropertyDescriptor if getSupportedPropertyDescriptors returns a modified version of the Descriptor.

[Mark Payne (JIRA)]

Mark Payne created NIFI-3733:
--------------------------------

             Summary: StandardValidationContext may use wrong default value for 
PropertyDescriptor if getSupportedPropertyDescriptors returns a modified 
version of the Descriptor.
                 Key: NIFI-3733
                 URL: https://issues.apache.org/jira/browse/NIFI-3733
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
            Reporter: Mark Payne
            Assignee: Mark Payne


If a component overrides the getSupportedPropertyDescriptors() and then returns 
something like:
{code}
new 
PropertyDescriptor.Builder().fromPropertyDescriptor(MY_DESCRIPTOR).defaultValue("hello").build()
{code}

Then when StandardValidationContext.getProperty(MY_DESCRIPTOR).getValue() is 
called, if no value has been explicitly set for MY_DESCRIPTOR, then the default 
value that will be used is that of MY_DESCRIPTOR instead of the descriptor 
returned by getSupportedPropertyDescriptors(). We should instead be using the 
default value returned by the descriptor in getSupportedPropertyDescriptors().



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