Only brokers can be specified as --bootstrap-servers for AdminClient (the bin/kafka-* scripts).
In 3.7, we are adding the ability to bootstrap from KRaft controllers for certain scripts. In this case, the scripts will use --bootstrap-controllers (the details are in https://cwiki.apache.org/confluence/display/KAFKA/KIP-919%3A+Allow+AdminClient+to+Talk+Directly+with+the+KRaft+Controller+Quorum+and+add+Controller+Registration ) But in general, no controllers cannot be used as bootstrap servers. -David On Tue, Dec 5, 2023 at 10:05 AM Dima Brodsky <ddbrod...@gmail.com> wrote: > Hello, question, > > If I have my kafka cluster behind a VIP for bootstrapping, is it possible > to have the controllers participate in the bootstrap process or only > brokers can? > > Thanks! > ttyl > Dima > > -- > ddbrod...@gmail.com > > "The price of reliability is the pursuit of the utmost simplicity. > It is a price which the very rich find the most hard to pay." > (Sir > Antony Hoare, 1980) > -- -David
