A WebSphere® Transformation Extender (WTX) map fails if an XPATH function references a segment that is not available.
When a map uses an XPATH function and references a segment that is not available, the map fails with the error "error: Warning: No nodes matched the location path"
This has been identified as a product defect under APAR PM84106
Using XPATH with Valid/Fail functions and segment is not available.
Diagnosing the problem
The map fails with 'error: Warning: No nodes matched the location path"
Resolving the problem
Obtain and apply APAR PM84106
Mercator Ascential DataStage TX