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Re: [grouper-users] Ldappc errors

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  • From: Tom Barton <>
  • To: "Cheung, Celia" <>
  • Cc:
  • Subject: Re: [grouper-users] Ldappc errors
  • Date: Thu, 06 Nov 2008 10:24:13 -0600

In addition to TomZ's questions, can you check what limits are imposed on your LDAP connection by the LDAP server? Often there are processor and/or return limits imposed to mitigate trolling attempts. You must ensure that Ldappc's LDAP connections are not subject to such limits.


Tom Zeller wrote:
Is it possible for you to correlate the ldappc errors with your directory server logs ? Maybe you'll see 'connection closed'.

Maybe try provisioning one of the large groups by itself.

Does the import always fail on the same group ?

Just some ideas...


On Wed, Nov 5, 2008 at 8:56 PM, Cheung, Celia < <mailto:>> wrote:


I've been working with Ldappc for the past few weeks, and have been
able to successfully provision a small number of groups. However, I
tried provisioning a larger number of groups today (~1000), some
containing a large number of members (~35,000) and I noticed that
only about 150 of my groups actually provisioned. The remaining
groups were not imported. Also, I get hundreds of the following two

2008-11-05 16:19:20,680:
GROUP[[ DISPLAY NAME = University of California Los
Angeles:Employee:Everybody][NAME = ucla:employee:everybody][UID =
172636ag-e9kf-2l96-iprf-62ag3r83f204]] ::
javax.naming.CommunicationException: Broken pipe [Root exception is Broken pipe]; remaining name

[856] javax.naming.CommunicationException: Broken pipe [Root
exception is Broken pipe]; remaining name


The logs also showed the following:

2008-11-05 17:11:08,416:
[edu.internet2.middleware.ldappc.LdappcGrouperProvisioner] Grouper
Provision Failed: Non-fatal errors occurred processing the groups
for ou=grouper,dc=edtest,dc=ucla,dc=edu

A FATAL ERROR occurred when running Ldappc.

I am unsure of what is happening. Has anyone else encountered this
problem or these errors?

Thanks so much,

Celia Cheung

fn:Tom Barton
org:University of Chicago;Networking Services & Information Technologies
title:Sr. Director for Integration
tel;work:+1 773 834 1700

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