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Jon Kessler commented on NIFI-8148: ----------------------------------- [~markap14], will you please confirm that this is the exception you saw so that I know I'm on the right track? 60867 [pool-1-thread-1] ERROR org.apache.nifi.processors.standard.QueryRecord - QueryRecord[id=56c7553f-f299-4e5d-b0fc-a2fc6b2a99f7] Failed to write MapRecord[\{zip=[Ljava.lang.Object;@6de8ce3c}] with schema ["zip" : "RECORD"] as a JSON Object due to org.apache.nifi.serialization.record.util.IllegalTypeConversionException: Cannot convert value [[Ljava.lang.Object;@6de8ce3c] of type class [Ljava.lang.Object; to Record for field zip: org.apache.nifi.serialization.record.util.IllegalTypeConversionException: Cannot convert value [[Ljava.lang.Object;@6de8ce3c] of type class [Ljava.lang.Object; to Record for field zip org.apache.nifi.serialization.record.util.IllegalTypeConversionException: Cannot convert value [[Ljava.lang.Object;@6de8ce3c] of type class [Ljava.lang.Object; to Record for field zip at org.apache.nifi.serialization.record.util.DataTypeUtils.toRecord(DataTypeUtils.java:398) at org.apache.nifi.serialization.record.util.DataTypeUtils.convertType(DataTypeUtils.java:219) at org.apache.nifi.serialization.record.util.DataTypeUtils.convertType(DataTypeUtils.java:171) at org.apache.nifi.json.WriteJsonResult.writeValue(WriteJsonResult.java:327) at org.apache.nifi.json.WriteJsonResult.writeRecord(WriteJsonResult.java:199) at org.apache.nifi.json.WriteJsonResult.writeRecord(WriteJsonResult.java:148) at org.apache.nifi.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:59) at org.apache.nifi.serialization.AbstractRecordSetWriter.write(AbstractRecordSetWriter.java:52) at org.apache.nifi.processors.standard.QueryRecord$1.process(QueryRecord.java:347) .... > Selecting field from array with QueryRecord routes to failure > ------------------------------------------------------------- > > Key: NIFI-8148 > URL: https://issues.apache.org/jira/browse/NIFI-8148 > Project: Apache NiFi > Issue Type: Bug > Components: Extensions > Reporter: Mark Payne > Assignee: Jon Kessler > Priority: Major > > Given the following JSON document coming into QueryRecord: > {{ {}} > {{ "name": "John Doe",}} > {{ "try": [}} > {{ {}} > {{ "workAddress": {}} > {{ "number": "123",}} > {{ "street": "5th Avenue",}} > {{ "city": "New York",}} > {{ "state": "NY",}} > {{ "zip": "10020"}} > {{ },}} > {{ "homeAddress": {}} > {{ "number": "456",}} > {{ "street": "116th Avenue",}} > {{ "city": "New York",}} > {{ "state": "NY",}} > {{ "zip": "11697"}} > {{ }}} > {{ }}} > {{ ]}} > {{}}} > When using a JSON Reader (inferred schema) and JSON Writer (inherit record > schema), we should be able to use the query: > SELECT RPATH(try, '/*/zip') AS zip > FROM FLOWFILE > The result should be two records, each consisting of a single field named > 'zip' that is of type String. > Currently, it throws an Exception and routes to failure. -- This message was sent by Atlassian Jira (v8.3.4#803005)