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Hi, I'm following your course and I noticed that I got a lot of 'relation does not exist' errors.

This is because of the application.properties file. You entered the wrong dialect.

It currently is:
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect which has been deprecated.

while it should be:
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQL95Dialect(if you use the latest version).

See all dialects here, for more.

Steps to reproduce this error:

1. Clone this project
2. Switch to a branch which has relations in it (section-5 for example).
3. Make sure you got the latest PostgreSQL (version 14 in my case)
4. Run

Hello World,

I am following the course on spring, and I have gotten through everything with no issue, until the part where I need to connect to the database. As I have said in the title, after Hikari fails to start, the first line in the stack trace is :
org.postgresql.util.PSQLException: Something unusual has occurred to cause the driver to fail. Please report this exception.

then a dozen lines later it says:
Caused by: java.lang.IllegalArgumentException: Null value for 'password'

what could be causing it to fail?

P.S sorry for posting this here, but couldn't find a fix for this issue anywhere

Hi. I've been following your course for my school project but when I use your .properties code it's greyed out in intellij so it doesn't work for me any advice?