From: | Kashif Zeeshan <kashi(dot)zeeshan(at)gmail(dot)com> |
---|---|
To: | vimal va <vimal(dot)va(at)gmail(dot)com> |
Cc: | pgsql-general(at)lists(dot)postgresql(dot)org, vimal(dot)arumugam(at)wipro(dot)com |
Subject: | Re: Postgres :- Could not open R2DBC Connection |
Date: | 2024-07-10 07:52:03 |
Message-ID: | CAAPsdheGG9yO9BG+g0wuNv6r073TUg8uA4SE9-CCGGrVdxQKNw@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
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(dot)va(at)gmail(dot)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)*
>
>
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