[jira] [Created] (NIFI-4368) UpdateRecord fails if attempting to set a particular array element to some other value

[Mark Payne (JIRA)]

Mark Payne created NIFI-4368:
--------------------------------

             Summary: UpdateRecord fails if attempting to set a particular 
array element to some other value
                 Key: NIFI-4368
                 URL: https://issues.apache.org/jira/browse/NIFI-4368
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Mark Payne
            Assignee: Mark Payne


I have the following record:

{code}
{
  "id" : 3,
  "numbers" : [1, 2, 3]
}
{code}

I tried using UpdateRecord with a property name of "/numbers[1]" and a literal 
value of "8" but
the data was not modified. It appears to be due to the fact that the 
ArrayIndexFieldValue class uses the following code:

{code}
    @Override
    public void updateValue(final Object newValue) {
        getParentRecord().get().setArrayValue(getField().getFieldName(), 
getArrayIndex(), newValue);
    }
{code}

But the field was constructed using a field name of "numbers[1]" instead of 
"numbers".



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