ashukhira opened a new issue #6025: Druid Query Error URL: https://github.com/apache/incubator-druid/issues/6025 Run below query by curl call that connect to druid broker, getting error:-- curl -X POST "http://localhost:8082/druid/v2/?pretty"; -H 'content-type: pplication/json' -d'{"aggregations": [{"fieldName": "impressions","fieldNames": ["impressions"],"name": "SUM(impressions)","type": "doubleSum"}],"dataSource": "vmaxmediation","dimensions": ["adpartner_id", "adspot_format"],"granularity": "all","intervals": "2018-07-13T00:00:00+00:00/2018-07-20T13:48:22+00:00","limitSpec": {"columns": [{"dimension": {"aggregate": "SUM","column": {"column_name": "impressions","description": null,"expression": null,"filterable": false,"groupby": false,"is_dttm": null,"optionName": "_col_impressions","type": "doubleSum","verbose_name": null},"expressionType": "SIMPLE","fromFormData": false,"hasCustomLabel": false,"label": "SUM(impressions)","optionName": "metric_6nkhk39wj0j_ym12qdvuhqa","sqlExpression": null},"direction": "descending"}],"limit": 10000,"type": "default"},"postAggregations": [],"queryType": "groupBy"}' error:-- { "error" : "Unknown exception", "errorMessage" : "Can not deserialize instance of java.lang.String out of START_OBJECT token\n at [Source: HttpInputOverHTTP@68716b4c[c=837,q=1,[0]=EOF,s=STREAM]; line: 1, column: 814] (through reference chain: java.util.ArrayList[0])", "errorClass" : "com.fasterxml.jackson.databind.JsonMappingException", "host" : null }
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