ContentMarshallerHelper.unmarshall returns empty Map when migrating from BRMS 5.3.1 to BPM Suite 6.x

Solution Verified - Updated -

Issue

If due a migration from BRMS 5.3.1 to BPM Suite 6.x, it is tried to read a Content created in BRMS 5.3.1 using the new method below:

Object contentData = ContentMarshallerHelper.unmarshall(content.getContent(), null);

It returns an empty Map instead of the correct Content. No exception is found.

Environment

  • Red Hat JBoss BPM Suite 6.x

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