IT20958: AMQ5531 is reported during AMQP service startup if queue manageruses LDAP authentication

APAR status

• Closed as program error.

Error description

• Below error is reported in the queue manager error logs during
  AMQP service startup.
  
  05/08/2017 09:50:52 PM - Process(25194.1) User(mqm)
  Program(java)
                      Host(hostname) Installation(Installation1)
                      VRMF(9.0.0.0) QMgr(QM1)
  
  AMQ5531: Error locating user or group in LDAP
  
  EXPLANATION:
  The LDAP authentication and authorization service has failed in
  the ldap_search
  call while trying to find user or group ''. Returned count is 0.
  Additional
  context is '(&(objectClass=*)(sAMAccountName=))'.
  ACTION:
  Specify the correct name, or fix the directory configuration.
  There may be
  additional information in the LDAP server error logs.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users using the AMQP service and who use LDAP authentication on
  the queue managers.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  Due to a logic error, the queue manager incorrectly attempted to
  perform LDAP user validation on the uid of AMQP channel process
  as it started up, resulting in the error message.
  

Problem conclusion

• The MQ queue manager code has been modified to fix this issue.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.0 LTS   9.0.0.9
  v9.1 CD    9.1.4
  v9.1 LTS   9.1.0.4
  
  The latest available maintenance can be obtained from
  'WebSphere MQ Recommended Fixes'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
  
  If the maintenance level is not yet available information on
  its planned availability can be found in 'WebSphere MQ
  Planned Maintenance Release Dates'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
  ---------------------------------------------------------------
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  IBM MQ BASE M/P

• Fixed component ID

  5724H7261

Applicable component levels