Gardella Juan Pablo created NIFI-4901:
-----------------------------------------

             Summary: Json to Avro using Record framework does not support 
union types with boolean
                 Key: NIFI-4901
                 URL: https://issues.apache.org/jira/browse/NIFI-4901
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.5.0
         Environment: ALL
            Reporter: Gardella Juan Pablo
         Attachments: optiona-boolean.zip

Given the following valid Avro Schema:

{
   "type":"record",
   "name":"foo",
   "fields":[
      {
         "name":"isSwap",
         "type":[
            "boolean",
            "null"
         ]
      }     
   ]
}

And the following JSON:
{
  "isSwap": {
    "boolean": true
  }
}

When it is trying to be converted to Avro using ConvertRecord fails with:
{{org.apache.nifi.serialization.MalformedRecordException: Successfully parsed a 
JSON object from input but failed to convert into a Record object with the 
given schema}}

Attached a repository to reproduce the issue and also included the fix:
* Run mvn clean test to reproduce the issue.
* Run mvn clean test -Ppatch to test the fix.   



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