Troubleshooting
Problem
When a query is executed against Cloudera Impala 3.x the following exception may be thrown.
XQE-DAT-0001 Data source adapter error: java.sql.SQLException: [Cloudera][ImpalaJDBCDriver](500051) ERROR processing query/statement.
Error Code: 0, SQL state: TStatus(statusCode:ERROR_STATUS, sqlState:HY000, errorMessage:IllegalStateException: Illegal reference to non-materialized slot
XQE-DAT-0001 Data source adapter error: java.sql.SQLException: [Cloudera][ImpalaJDBCDriver](500051) ERROR processing query/statement.
Error Code: 0, SQL state: TStatus(statusCode:ERROR_STATUS, sqlState:HY000, errorMessage:IllegalStateException: Illegal reference to non-materialized slot
Document Location
Worldwide
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
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Document Information
Modified date:
14 January 2026
UID
ibm11077255