[google-cloud-sql-discuss] Cannot connect to Cloud SQL with Java SocketFactory Library

Hello, I'm using Cloud Dataflow to run some pipelines using Cloud SQL as a sink in my personal account. After the pipeline is executed, I want to make a connection to Cloud SQL to run a delete statement. I can't run deletes with JdbcIO (only selects and inserts). Even though I can connect to Cloud SQL with JdbcIO, I cannot connect to it using plain Jdbc. 

Below is the code I'm using to connect to my instance

static void cleanUpPipeline() {

String jdbcUrl = String.format(

    "jdbc:postgresql://google/%s?cloudSqlInstance=%s"

        + "&socketFactory=com.google.cloud.sql.postgres.SocketFactory",

    "xxxxxx",

    "xxxxxx");

try {

Class.forName("org.postgresql.Driver");

Connection connection = DriverManager.getConnection(jdbcUrl, "xxxxxx", "xxxxxx");

} catch (SQLException | ClassNotFoundException e) {

e.printStackTrace();

}

}

My pom.xml has the following dependencies:

<dependency>

    <groupId>com.google.cloud.sql</groupId>

    <artifactId>postgres-socket-factory</artifactId>

    <version>1.0.11</version>

</dependency>

<dependency>

    <groupId>org.postgresql</groupId>

    <artifactId>postgresql</artifactId>

    <version>42.2.5</version>

</dependency>

The error I receive is: 

INFO: Connecting to Cloud SQL instance [xxxxxxxxx] via ssl socket.

nov 13, 2018 2:53:49 PM com.google.cloud.sql.core.SslSocketFactory getInstance

INFO: First Cloud SQL connection, generating RSA key pair.

nov 13, 2018 2:53:51 PM com.google.cloud.sql.core.SslSocketFactory fetchInstanceSslInfo

INFO: Obtaining ephemeral certificate for Cloud SQL instance [xxxxxx].

nov 13, 2018 2:53:54 PM com.google.cloud.sql.core.SslSocketFactory createAndConfigureSocket

INFO: Connecting to Cloud SQL instance [xxxxxxxx] on IP [xxxxxxx]

org.postgresql.util.PSQLException: Connection to google:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.

I believe I'm doing everything right here. Can anyone help me? 

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