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Re: Postgres :- Could not open R2DBC Connection

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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.va@xxxxxxxxx> 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/<unresolved>:5432
Caused by: org.springframework.transaction.CannotCreateTransactionException: Could not open R2DBC Connection for transaction; nested exception is io.r2dbc.postgresql.PostgresqlConnectionFactory$PostgresConnectionException: Cannot connect to 10.0.202.121/<unresolved>:5432
        at org.springframework.r2dbc.connection.R2dbcTransactionManager.lambda$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)

 


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