System hangs, consumes cpu when querying LDAP during login

  • Document ID:KM516606
  • Creation Date:31-Oct-2008
  • Modified Date:31-Jan-2011
    • Micro Focus Products:
      service manager 7.01

Summary

QCCR1E31006

Error

Service Manager 7. 01 (SM 7.01)
While trying to login to system using ldap for authentication the system hangs, the log files grows very quickly and the sm process consumes more than 50% of the cpu cycles.


Cause

QCCR1E31006:

CPU utilization spikes on SC server due to bug in OpenLDAP library.  Infinite loop results in loginLock and hung sessions.

CPU utilization spikes on SC server due to bug in OpenLDAP library. The bug is in the OpenLDAP function ldap_chase_v3referrals(). The problem has been fixed in version 2.3.21 but we should investigate what is the best release to upgrade to.

Fix

QCCR1E31006 is fixed /targeted for SC 6.2.7, SM7.02 and SM7.10