Error -67501 LabVIEW Web Services: Parse Failed

Updated Aug 22, 2023

Reported In

Software

  • LabVIEW
  • LabVIEW NXG
  • LabVIEW NXG Web Module

Issue Details

I have created a new Web Service in LabVIEW and added a very simple Web Resource VI.  When I go to start the Web Service I get the following error:

There was an error running the web service on the debug: Error -67501 occurred at NI Web Service Debug.lvlib:Add Routing Template.vi

Possible reason(s):

LabVIEW: (Hex 0xFFFEF853) LabVIEW Web Services: Parse Failed.

Complete call chain:
  NI Web Service Debug.lvlib:Add Routing Template.vi
  NI Web Service Debug.lvlib:Debug Web Service.vi

This error is shown in the following dialog box.
 

Solution

This error appears because LabVIEW is unable to parse the URL Mapping string.  To eliminate this error make sure that the URL mapping does not include any reserved characters.  These include (but not limited to) spaces, ?, and @.

When using the automatic terminal mappings, ensure that there are not any of these reserved characters in the Owned Labels of the Controls and Indicators mapped to the connector pane.

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