spring.datasource.primary.url=jdbc:postgresql://localhost:5432/mydb
spring.datasource.primary.username=postgres
spring.datasource.primary.password=pass
spring.datasource.primary.driver-class-name=org.postgresql.Driver
spring.datasource.primary.maxActive=10
spring.datasource.primary.testWhileIdle = true
spring.datasource.primary.validationQuery = SELECT 1

spring.jpa.properties.hibernate.default-schema=public
spring.jpa.hibernate.ddl-auto:update

[ost-startStop-1] org.hibernate.tool.hbm2ddl.SchemaUpdate  : HHH000388: Unsuccessful:
    create table sample_table (table_id  serial not null, name varchar(255))
2017-07-07 10:52:51.145 ERROR 1446 --- [ost-startStop-1] org.hibernate.tool.hbm2ddl.SchemaUpdate  :
    ERROR: permission denied to create "pg_catalog.sample_table"
Detail: System catalog modifications are currently disallowed.