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Cisco Bug: CSCtb63619 - can no longer manage a CAS over JMX

Last Modified

Feb 22, 2014

Products (1)

  • Cisco NAC Appliance (Clean Access)

Known Affected Releases

4.7(0)

Description (partial)

Symptom:
HTTP 500 error message display on the UI when user tries to managing the system:
================
HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request. exception

java.lang.IllegalStateException: Unable to acquire lock. Queue depth exceeded for writing to NACS - <CAS's ip address>
com.perfigo.wlan.web.admin.SecureSmartServer.acquireConcurrLock(SecureSmartServer.java:1175)
com.perfigo.wlan.web.admin.UserInfoManager.removeUsersListBySS(UserInfoManager.java:1093)
<..snip..>

Conditions:
This happen when there are multiple large publishing requests over a slow link connection and the system exceeded the publishing queue.  The default max publishing queue size is set to 10.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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