TopologyChangeListener should fallback to pool connection

[gustavo-armenta]

Our system uses AWS IAM role to authenticate to a postgresql database. Therefore, jdbcPassword property is not set because it would be a short live token value

Before the fix, it fails with error

2026-01-12 03:40:39.914 +0000 (,,,,) Sqlg notification listener sqlggraph[SqlGraph] (jdbc:postgresql://ol-dev-dp1-datacat-db.c9ia9lopo6ka.us-west-2.rds.amazonaws.com:5432/RelationshipBlue) (user = catalog_iam_query) : ERROR org.umlg.sqlg.dialect.impl.PostgresDialect - change listener on graph sqlggraph[SqlGraph] (jdbc:postgresql://ol-dev-dp1-datacat-db.c9ia9lopo6ka.us-west-2.rds.amazonaws.com:5432/RelationshipBlue) (user = catalog_iam_query) error
org.postgresql.util.PSQLException: FATAL: empty password returned by client
at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:778) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:234) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:289) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:57) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:279) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.Driver.makeConnection(Driver.java:448) ~[postgresql-42.7.8.jar!/:42.7.8]
at org.postgresql.Driver.connect(Driver.java:298) ~[postgresql-42.7.8.jar!/:42.7.8]
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681) ~[java.sql:?]
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:190) ~[java.sql:?]
at org.umlg.sqlg.dialect.impl.PostgresDialect$TopologyChangeListener.run(PostgresDialect.java:3487) [sqlg-postgres-dialect-3.1.3.jar!/:3.1.3]
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) [?:?]
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
at java.base/java.lang.Thread.run(Thread.java:840) [?:?]