Troubleshooting
Problem
Queries, that were executing prior to Cognos Analytics (CA) 11.1.7 can fail with errors including;
XQE-GEN-0005 Found an internal error:java.lang.NullPointerException
XQE-GEN-0010 Found an internal error: 'GenerateSubqueriesForSelfReferencingCalcs: Max subqueries exceeded'.
XQE-GEN-0002 An unexpected exception occurred:java.lang.StackOverflowError
XQE-GEN-0005 Found an internal error: com.cognos.xqe.ast.rqp.RQPDataItemRef incompatible with com.cognos.xqe.ast.v5Exp.V5BoundModelIdentifier
Database errors due to CLOB columns such as thrown by Db2
XQE-GEN-0005 Found an internal error:java.lang.NullPointerException
XQE-GEN-0010 Found an internal error: 'GenerateSubqueriesForSelfReferencingCalcs: Max subqueries exceeded'.
XQE-GEN-0002 An unexpected exception occurred:java.lang.StackOverflowError
XQE-GEN-0005 Found an internal error: com.cognos.xqe.ast.rqp.RQPDataItemRef incompatible with com.cognos.xqe.ast.v5Exp.V5BoundModelIdentifier
Database errors due to CLOB columns such as thrown by Db2
The statement was not processed because the data type, length or value of the argument for the parameter in position "string-expr" of routine "SYSIBM.TRIM" is incorrect.
Improper use of a string column, host variable, constant, or function "Group by column 63"..
Document Location
Worldwide
[{"Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"ARM Category":[{"code":"a8m50000000Cl3zAAC","label":"Administration"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1.7"},{"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"}}]
Log InLog in to view more of this document
This document has the abstract of a technical article that is available to authorized users once you have logged on. Please use Log in button above to access the full document. After log in, if you do not have the right authorization for this document, there will be instructions on what to do next.
Was this topic helpful?
Document Information
Modified date:
14 January 2026
UID
ibm16352905