What is the AssembledJavaClasses.zip in the installation media used for?

General
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1

I would like to know how the following file in the Pega Platform installation media is being used:

  • archives/AssembledJavaClasses.zip → prgenjava.jar
2

@TerenceY0215 Please can you clarify what product issue you are trying to solve?

See explanation in a similar question here:

PRGenClasses does not contain all java compiled class

pr_assembledclasses to vtable

Temp Directory Disk Usage Consumption

3

@MarijeSchillern … I was not trying to solve a particular problem. I would like to have a better understanding of the prgenjava.jar in the installation media, and what’s that for.

4

@TerenceY0215 AssembledJavaClasses.zip contains files related to the pre-assembly of Pega platform rules. This is provided to improve the experience of the first users on the system. prgenclasses.jar contains the compiled .class files while prgenjava.jar contains the generated source code.

5

@GabeEdwards I understand that prgenclasses and prgenjava improves performance and experience. I have seen java files created in the prgenjava directory when activities are assembled etc. My main question is what is the purpose of that particular AssembledJavaClasses.zip in the Installation Media of Pega. Is it there to improve the experience of the installation? Or is the content of the zip files copied into Application Server upon completion of installation?