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Upgrade script fails with FUACache-FailAssembly error



An upgrade from PRPC62SP2 to PRPC71ML8 has been started using the script called “”. Unfortunately after 28 minutes, the script  fails with an assembly error.

Error Messages

[java] Caused by: FUACache-FailAssembly [this:is:not:a:classname] produced no java source

Steps to Reproduce

Not applicable

Root Cause

The error stack is shows the error coming from assembly processing, driven by “run.assembler” option in “” file.


A local change. Set flag to “false” instead of “true”:

# Run assembler after install/upgrade? : Defaults to false.
# This setting is to generate the Assembled Java classes

Running the assembler during an upgrade isn't necessary because the required assemblies for PegaRULES application are already part of distribution image and gets imported into system based on ‘import.assembled.classes’ flag (which is ‘true’ by default).


Published January 31, 2016 - Updated October 8, 2020

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