see https://github.com/spring-projects/spring-boot/issues/39740 issue is from https://github.com/spring-projects/spring-data-couchbase/commit/86713c527c0e6cf5a3fde6fa44f119cc719c9bb9 which was for https://github.com/spring-projects/spring-data-couchbase/issues/1870 Solution is to put back ``` <dependency> <groupId>com.querydsl</groupId> <artifactId>querydsl-apt</artifactId> </dependency> ```