wengwh opened a new issue #7495: use select return exception URL: https://github.com/apache/incubator-druid/issues/7495 select: { "queryType": "select", "dataSource": "alliance_cube", "dimension":{}, "metrics":[], "granularity": "all", "intervals":"2018-11-27T23Z/2018-11-28T23Z", "pagingSpec": {"pagingIdentifiers": {}, "threshold": 5} } return: { "error": "Unknown exception", "errorMessage": "com.fasterxml.jackson.databind.JsonMappingException: Invalid byte fb in short Unicode text block\n at [Source: java.io.SequenceInputStream@c27af90; line: -1, column: 169] (through reference chain: io.druid.query.Result[\"result\"]->io.druid.query.select.SelectResultValue[\"pagingIdentifiers\"])", "errorClass": "java.lang.RuntimeException", "host": null } use other.like TopN, it is ok.
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