What version of java is required for GMU version 1.8 ?
CA API Gateway 10.1
GMU 1.8 is compatible with gateway version 10.1.
The gateway 10.1 release utilizes the AdoptOpenJDK 11.x version of java as outlined in our documentation which you can reference here:
https://techdocs.broadcom.com/us/en/ca-enterprise-software/layer7-api-management/api-gateway/10-1/release-notes/new-features-and-enhancements.html
Therefore GMU 1.8 must be configured with Java 11.