Strange warnings from IdP 3.2.1

[Domingues, Michael D]

Sent that last message a bit too soon. As an explanatory follow up, while I was building out our IdPv3 clusters, I encountered that error when connections to our LDAP environment were getting killed by our F5 load balancer due to inactivity.

I don't remember the specific configuration change I made off-hand, but it involved dropping the verification query interval to less than the load balancer's keep-alive window. Will follow-up with details once I get into the office, unless someone else chimes in before then.

Michael
________________________________________
From: Domingues, Michael D
Sent: Wednesday, April 27, 2016 7:05:43 AM
To: Shib Users
Subject: Re: Strange warnings from IdP 3.2.1

Hello Gerd,

What is the default timeout on an inactive connection to your LDAP server? Also, is there a load-balancing device in front of your LDAP server(s) by any chance?

Best,
Michael Domingues
Directory and Authentication Services, AIS, ITS
University of Iowa
________________________________________
From: users <users-bounces at shibboleth.net> on behalf of Gerd Schering <gerd.schering at tu-berlin.de>
Sent: Wednesday, April 27, 2016 6:36:06 AM
To: Shib Users
Subject: Strange warnings from IdP 3.2.1

Hi,

I'm using a fresh install of IdP 3.2.1.
Everything is working, but I get strange warnings in the idp-warn/process.logs:

2016-04-27 13:17:28,748 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection
2016-04-27 13:17:28,810 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection
2016-04-27 13:17:28,860 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection
2016-04-27 13:17:29,015 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection
2016-04-27 13:17:29,073 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection
2016-04-27 13:17:29,120 - WARN
[org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - Operation
exception encountered, reopening connection

Each time that happens, exactly 6 messages. I could figure out that the time
interval between subsequent warnings gets controlled by the
idp.pool.LDAP.validatePeriod parameter, set in ldap.properties.

Such warnings were an issue in version 3.1 of the IdP.
But as said, I use version 3.2.1 and it is a fresh install not an upgrade.
By the way, the staus page of the IdP says:
DataConnector myLDAP: has never failed.

Any hints will be appreciated,
Gerd

--
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-- Gerd Schering, Email: Schering at tubit.TU-Berlin.DE--
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