Troubleshooting
Problem
The following error occurs in some certain report execution.
All other report execution fails after the error.
Data source DB is Presto.
----- Error message -----
XQE-DAT-0001：Data source adapter error: java.sql.SQLException: Error executing query:
Error starting query at <database hostname:port>/v1/statement returned an invalid response: JsonResponse{statusCode=431, statusMessage=Request Header Fields Too Large, headers={connection=[close], content-length=[74], content-type=[text/html;charset=iso-8859-1]}, hasValue=false} [Error: <h1>Bad Message 431</h1><pre>reason: Request Header Fields Too Large</pre>]
---------------------------
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"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:
13 January 2026
UID
ibm10792893