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Create REST Integration wizard triggers Null Pointer Exception



When uploading a JSON sample, the REST Integration wizard triggers a Null Pointer Exception while generating rules.

Error Messages

[PegaRULES-Batch-2] [STANDARD] [] [your_app:01.01.01] (internal.util.PRServiceUtils) ERROR your_user - Rule Generator thrown exception:
at com.pega.pegarules.integration.config.internal.mapping.RuleGeneratorREST.addRequestDTSteps(
at com.pega.pegarules.integration.config.internal.mapping.RuleGeneratorREST.addRequestDTSteps(

Steps to Reproduce

  1. Start the Create REST Integration wizard.
  2. Enter the URL for the REST Service.
  3. Select a Method and upload the Request and Response JSON files in the Configure window. Test the Method.
  4. Navigate to the Generate Record screen > Select the Class Names, Ruleset, and Ruleset Versions for the Integration.

Root Cause

A defect in Pegasystems’ code or rules. When a JSON sample has a value array, it is parsed correctly but its Meta data is not saved.


Apply HFix-38996.

Published December 4, 2017 - Updated October 8, 2020

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