Revert "[PLUGIN-1861] Error management for excel plugin | RowDenormaliser"

[psainics]

Our of sync pr removed these changes #1935

Origional PR #1936

• This is only for develop branch, release branch is correctly in sync !

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Description
Error Management for row denormaliser aggregator exceptions
https://cdap.atlassian.net/browse/PLUGIN-1862

Code change
Modified RowDenormalizerAggregator.java

Tests
Test Case - tested with Incorrect key, name and value field

1. Valid parameters

2. Incorrect key field

POST v3/namespaces/{namespace-id}/apps/{app-id}/workflows/DataPipelineWorkflow/runs/{run-id}/classify

[
    {
        "stageName": "RowDenormalizer",
        "errorCategory": "Plugin-\u0027RowDenormalizer\u0027",
        "errorReason": "Keyfield \u0027idrf\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorMessage": "Keyfield \u0027idrf\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorType": "USER",
        "dependency": "false"
    }
]

3. Incorrect attribute field

POST v3/namespaces/{namespace-id}/apps/{app-id}/workflows/DataPipelineWorkflow/runs/{run-id}/classify

[
    {
        "stageName": "RowDenormalizer",
        "errorCategory": "Plugin-\u0027RowDenormalizer\u0027",
        "errorReason": "Namefield \u0027cdcdvdvdv\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorMessage": "Namefield \u0027cdcdvdvdv\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorType": "USER",
        "dependency": "false"
    }
]

4. Incorrect value field

POST v3/namespaces/{namespace-id}/apps/{app-id}/workflows/DataPipelineWorkflow/runs/{run-id}/classify

[
    {
        "stageName": "RowDenormalizer",
        "errorCategory": "Plugin-\u0027RowDenormalizer\u0027",
        "errorReason": "Valuefield \u0027csdcdddv\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorMessage": "Valuefield \u0027csdcdddv\u0027 does not exist in input schema {\"type\":\"record\",\"name\":\"text\",\"fields\":[{\"name\":\"id\",\"type\":\"string\"},{\"name\":\"attribute\",\"type\":\"string\"},{\"name\":\"value\",\"type\":\"string\"}]}",
        "errorType": "USER",
        "dependency": "false"
    }
]