effective caller. It can for instance be the hostname:port of the servlet initiating the database call, or the container engine ID used by the servlet. subcomponent string subcomponent describes a component inisde inisde the immediate caller which is responsible for generating is request. Suggested values are a servlet name or an API endpoint name. vtrpc.RPCError RPCError is an application-level error structure returned

effective caller. It can for instance be the hostname:port of the servlet initiating the database call, or the container engine ID used by the servlet. subcomponent string subcomponent describes a component inisde inisde the immediate caller which is responsible for generating is request. Suggested values are a servlet name or an API endpoint name. vtrpc.RPCError RPCError is an application-level error structure returned