I have configured neo4j and cassandra repositories separately with spring boot using spring-data. However, when I try to use two repositories in the same projects it doesn\'t wo
This looks like the Spring Boot autoconfiguration is not able to handle multiple Spring Data projects at the same time.
Please refer to documentation for Spring Data Neo4j and Spring Data Cassandra
In particular you should point SDN module to neo4j repositories only
@EnableNeo4jRepositories(basePackages = "org.test.project.repositories.neo")
and similarly for cassandra.