Embedded mode process instance creation fails with org.xmlpull.v1.XmlPullParserException when sending signal of type java.util.Map on RHPAM 7.13.0

Solution Verified - Updated -

Issue

In a Task in a business process, when trying to cast from "java.util.Map" type to "java.lang.String" type, thus the following exception is raised:

Caused by: org.xmlpull.v1.XmlPullParserException: only whitespace content allowed before start tag and not m (position: START_DOCUMENT seen m... @1:2)

Environment

  • Red hat Process Automation Manager (OCP) 7.13.0 GA
  • Red Hat JBoss Enterprise Application Platform (EAP) 7.4.5

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