Hi Can you check the following.
1. The machine 10.0.202.121 is accessible. 2. Check the firewall settings. 3. Check the pg_hha.conf Settings. Regards Kashif Zeeshan On Wed, Jul 10, 2024 at 12:48 PM vimal va <vimal...@gmail.com> wrote: > Dear team , > > This is Vimal from WIpro. We are using Postgres 14 , while connecting > postgres from application we are getting "*Could not open R2DBC > Connection for transaction;" error in pod . *We have increased the max > number of connections in postgres from 100 to 1000 , still we are facing > the same error. > I have pasted below the error for reference. Please help us on this issue > > Thanks, > Vimal. > > > > > > > > *reactor.core.Exceptions$ErrorCallbackNotImplemented: > org.springframework.transaction.CannotCreateTransactionException: Could not > open R2DBC Connection for transaction; nested exception is > io.r2dbc.postgresql.PostgresqlConnectionFactory$PostgresConnectionException: > Cannot connect to 10.0.202.121/ > <http://10.0.202.121/><unresolved>:5432Caused by: > org.springframework.transaction.CannotCreateTransactionException: Could not > open R2DBC Connection for transaction; nested exception is > io.r2dbc.postgresql.PostgresqlConnectionFactory$PostgresConnectionException: > Cannot connect to 10.0.202.121/ > <http://10.0.202.121/><unresolved>:5432 at > org.springframework.r2dbc.connection.R2dbcTransactionManager.lambda$null$5(R2dbcTransactionManager.java:227) > at > reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:94) > at > co.elastic.apm.agent.reactor.TracedSubscriber.onError(TracedSubscriber.java:126) > at > reactor.core.publisher.MonoFlatMap$FlatMapMain.onError(MonoFlatMap.java:172) > at > co.elastic.apm.agent.reactor.TracedSubscriber.onError(TracedSubscriber.java:126)* > >