ORA-18177: XQuery full text expression 'string' cannot be evaluated using XML full-text index

ORA-18177: XQuery full text expression 'string' cannot be evaluated using XML full-text index


Cause:


There was no XML full-text index to evaluate the XQuery full text expression filtering XML documents that were stored in an XMLType table or column.



Action:


Create an XML full-text index on the XML documents stored in an XMLType table or column and ensure that the XQuery full text expression can be evaluated by an XML full-text index.