another possibility is the RPT agent is using a different java that's shipped with the product.
If this issue persists, please open a Salesforce ticket, include the engine log above and the common base events logs, the CBE logs are in the deployment root directory, example:
C:\temp\deployment_root\xxxx\A1EB664098AD5AD0C171B33163383065>dir common*
Volume in drive C has no label.
Volume Serial Number is FC74-14D4
Directory of C:\temp\deployment_root\xxxxx\A1EB664098AD5AD0C171B33163383065
02/24/2021 04:35 PM 57,013 CommonBaseEvents00.log
02/24/2021 04:10 PM 26,970 CommonBaseEvents10.log
02/24/2021 03:47 PM 23,966 CommonBaseEvents20.log
02/24/2021 03:24 PM 20,961 CommonBaseEvents30.log
#Support#SupportMigration#RationalPerformanceTester