No more than 255 fields can be added to "Declared Fact Type" in JBoss BRMS. How to fix it?

Solution Verified - Updated -

Issue

No more than 255 fields can be added to a fact type by creating it declaratively in JBoss BRMS 5.2 and 5.3.x. There is a need to create declared fact types with more than 255 fields.

In the GUI, by clicking Validate after adding enough fields to a declared fact type to exceed a total of about 255, a popup is gotten:

400 Sorry, a technical error occurred. Please contact a system administrator.

In the console stack trace the following error is seen:

java.lang.ClassFormatError: Too many arguments in method signature

How to fix it?

Environment

  • Red Hat JBoss Enterprise Business Rules Management System (BRMS) 5.2, 5.3.x

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