[pgpool-general: 6401] Re: jdbc connections

[Bo Peng]

Hi,

Thank you for the debug log of pgpool.

Because in the pgpool.log I can't find any errors,
could you show me the time when application outputs warnings.
Or show me the same time's application logs.

On Mon, 28 Jan 2019 14:53:39 +0100
Sylvie Pruvot <sylvie.halat at gmail.com> wrote:

> 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
> >
> >


-- 
Bo Peng <pengbo at sraoss.co.jp>
SRA OSS, Inc. Japan