title: Postgres database giving Cannot establish a connection erorr
body: <p>I am receiving an error that shown in below, when l try to connect my  PostgreSQL database</p>
  <blockquote>
  <p>Cannot establish a connection to jdbc:postgresql://localhost:5432/postgres using org.postgresql.Driver (FATAL: password authentication failed for user &quot;postgres &quot;)</p>
  </blockquote>