Spring Data JPA app coonection to Google Cloud Run Postgres - spring-data-jpa

Question

Google have an example to connect Cloud SQL-MYSQl from Spring JPA/Boot App ( commit 9ecdc1111e3da388a750ace41a125287d9620534 is used). The example is uses Spring Data and works fine with MySQL. But It does not work when profile is changed to postgress ( after starting right Postgres Database in same account and with same steps in #2)
spring.profiles.active=postgres
and replacing
<artifactId>spring-cloud-gcp-starter-sql-mysql</artifactId>
with
<artifactId>spring-cloud-gcp-starter-sql-postgresql</artifactId>
and
replacing src/main/resources/application-mysql.properties
with
src/main/resources/application-postgres.properties
but still applications fails with
Error creating bean with name 'entityManagerFactory' defined in class
path resource
[org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]:
Invocation of init method failed; nested exception is
org.hibernate.service.spi.ServiceException: Unable to create requested
service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
I could not find any sample.
application-postgres.properties is appended to have
spring.profiles.active=postgres
spring.cloud.gcp.sql.instance-connection-name= xyzprj:us-central1:postgres-instance
spring.datasource.username=xyzuser
spring.datasource.password=password
application-postgres.properties is replaced as followes
spring.datasource.username=xyzuser
spring.datasource.password=passord
spring.sql.init.mode=always
spring.cloud.gcp.sql.database-name=petclinic
spring.cloud.gcp.sql.instance-connection-name=xyzprj:us-central1:postgres-instance
later both of these properties files were also changed so that
spring.datasource.username=root
and
spring.datasource.password=root
but same issue
sample is tried on Cloud Shell within Google Cloud,
gcloud auth application-default login
You are running on a Google Compute Engine virtual machine. The
service credentials associated with this virtual machine will
automatically be used by Application Default Credentials, so it is not
necessary to use this command.
If you decide to proceed anyway, your user credentials may be visible
to others with access to this virtual machine. Are you sure you want
to authenticate with your personal account?
Do you want to continue (Y/n)? n
ERROR: (gcloud.auth.application-default.login) Aborted by user.

Answer 1

I tried to reproduce the issue on my side, but I was able to deploy application successfully
Here are the steps I followed
Step1: Created postgresql using below command
gcloud sql instances create postgres-instance \
--database-version=POSTGRES_13 \
--cpu=1 \
--memory=4GB \
--region=us-central \
--root-password=root
Step2: Created database using
gcloud sql databases create petclinic --instance postgres-instance
Step3: Connected to the PostgreSQL instance to verify the connection established or not
gcloud sql connect postgres-instance
Step4: replaced the following as you did
In application.properties
spring.profiles.active=postgres
and replacing
<artifactId>spring-cloud-gcp-starter-sql-mysql</artifactId>
with
<artifactId>spring-cloud-gcp-starter-sql-postgresql</artifactId>
and
replacing src/main/resources/application-mysql.properties
with
src/main/resources/application-postgres.properties
Step5: In addition to above changes
In application.properties replaced
spring.cloud.gcp.sql.instance-connection-name= POSTGRESQL_CONNECTION_NAME
In src/main/resources/application-postgres.properties added
spring.datasource.username=USERNAME
spring.datasource.password=PASSWORD
In pom.xml file added following dependency
<dependency>
<groupId>com.google.cloud.sql</groupId>
<artifactId>postgres-socket-factory</artifactId>
<version>1.1.0</version>
</dependency>
In build.grable file add
dependencies {
compile 'com.google.cloud.sql:postgres-socket-factory:1.1.0'
}
Note: run gcloud auth application-default login to access default credential to communicate withCloud Sql API
For clear information check this document