Hi Tobias,
In our case, we have some differences in the message but the scenario is the same, it cannot be connected to the database. Thanks for your help..
jdbc:postgresql://bdb-qa-rds-cicd-cluster.cluster-ckrxl7s8r7t3.us-east-1.rds.amazonaws.com:5432/sonar
2021.05.26 12:02:13 ERROR web[o.s.s.p.PlatformImpl] Web server startup failed
java.lang.IllegalStateException: Fail to connect to database
…
Caused by: java.lang.IllegalStateException: Can not connect to database. Please check connectivity and settings (see the properties prefixed by ‘sonar.jdbc.’).
at org.sonar.db.DefaultDatabase.checkConnection(DefaultDatabase.java:118)
at org.sonar.db.DefaultDatabase.start(DefaultDatabase.java:83)
… 24 common frames omitted
Caused by: java.sql.SQLException: Cannot create PoolableConnectionFactory (The connection attempt failed.)
at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:669)
at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:544)
at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:753)
at org.sonar.db.profiling.NullConnectionInterceptor.getConnection(NullConnectionInterceptor.java:31)
at org.sonar.db.profiling.ProfiledDataSource.getConnection(ProfiledDataSource.java:317)
at org.sonar.db.DefaultDatabase.checkConnection(DefaultDatabase.java:115)
… 25 common frames omitted