[pgpool-general: 6400] Re: jdbc connections

[Sylvie Pruvot]

Hi,
When we run test with pgppol, we have always the same warnings
I send you debug pgpool's log.
Thanks
Best regards
S Halat

Le mer. 9 janv. 2019 à 01:34, Bo Peng <pengbo at sraoss.co.jp> a écrit :

> Hi,
>
> On Mon, 7 Jan 2019 17:35:43 +0100
> Sylvie Pruvot <sylvie.halat at gmail.com> wrote:
>
> >  Hi,
> > I'm using pgpool for load balancer and control VIP adress (3 servers
> > configured for streaming replication ) . Pgpool is accessed by
> applications
> > servers (JBOSS /spring-jdbc)
> > Version Pgpool :
> > pgpool-II-pg10-4.0.2-1pgdg.rhel7.x86_64
> > Version PostgreSQL : 10.4
> > Version JBOSS:
> > jboss-eap-7.0.2-1
> > During tests , application server logs many warnings :
> > 2018-12-20 16:36:26,956 WARN
> > [org.jboss.jca.core.connectionmanager.pool.strategy.OnePool] (default
> > task-19) IJ000621: Destroying connection that could not be validated:
> >
> org.jboss.jca.core.connectionmanager.listener.TxConnectionListener at 359e117e
> [state=NORMAL
> > managed
> >
> connection=org.jboss.jca.adapters.jdbc.local.LocalManagedConnection at 3b73b9f1
> > connection handles=0 lastReturned=1545320007568
> lastValidated=1545318977951
> > lastCheckedOut=1545320007543 trackByTx=false
> > pool=org.jboss.jca.core.connectionmanager.pool.strategy.OnePool at 6653ef59
> > mcp=SemaphoreConcurrentLinkedQueueManagedConnectionPool at cae2d43
> [pool=ds_rest_api]
> > xaResource=LocalXAResourceImpl at 17dce3ba[connectionListener=359e117e
> > connectionManager=62c08011 warned=false currentXid=null
> > productName=PostgreSQL productVersion=10.4 jndiName=java:jboss/rest_api]
> > txSync=null]
> > 2018-12-20 16:48:27,416 WARN
> > [org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory]
> (default
> > task-23) IJ030027: Destroying connection that is not valid, due to the
> > following exception: org.postgresql.jdbc.PgConnection at 28dcf51f:
> > org.postgresql.util.PSQLException: An I/O error occurred while sending to
> > the backend.
> > Please, can you help to figure out what's could be wrong?
>
> I'm not sure if this is Pgpool-II's problem.
> Does the same error occur even if connecting directly to PostgreSQL?
>
> Is there some error in pgpool's log?
> If you could provide a test program to reproduce this issue,
> I will look into it.
>
> > Regards
> > S. Halat
>
>
> --
> Bo Peng <pengbo at sraoss.co.jp>
> SRA OSS, Inc. Japan
>
>
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