Hi Krishnanand The mailing lists don't allow attachments. Please provide the Drill version, query, data source and a link to where the relevant part of the log can be downloaded.
The message by itself is not useful, especially without a stacktrace. On 2/9/2019 11:39:49 AM, Krishnanand Khambadkone <[email protected]> wrote: Any idea why such an error would be thrown from custom UDF. I am using jackson json parser in this UDF. Error: SYSTEM ERROR: CompileException: Line 80, Column 24: Assignment conversion not possible from type "java.lang.Object" to type "java.lang.String" Fragment 0:0 Please, refer to logs for more information.
