How to fix the Oracle error ORA-19035: Invalid select item of the query in newContextFromHierarchy()?

In this post, you’ll learn more about the Oracle ErrorORA-19035: Invalid select item of the query in newContextFromHierarchy() with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19035: Invalid select item of the query in newContextFromHierarchy()

Reason for the Error ORA-19035: Invalid select item of the query in newContextFromHierarchy()

The query does not have a number select item followed by an XMLType select item only.

How to fix the Error ORA-19035: Invalid select item of the query in newContextFromHierarchy() ?

You can fix this error in Oracle by following the below steps

Make sure the result set of the query used in the newContextFromHierarchy() must have only two selected items: the first item must be number type and the second item must be XMLType.