IT26113: AMQ7076W error generated for valid values of 'MaximumSize' and 'UpdatePercentage' in MessageBuffer stanza of mqclient.ini file

APAR status

• Closed as program error.

Error description

• With '-1' value being set for MaximumSize or UpdatePercentage in
  the mqclient.ini file, an incorrect AMQ7076W error message is
  being generated.
  For example: If the following values are set in mqclient.ini
  file
  MessageBuffer:
     MaximumSize=-1
     UpdatePercentage=-1
  
  then following error messages are generated
  AMQ7076W: Invalid value for attribute in ini file.
  
  EXPLANATION:
  Line 33 of the configuration file
  'C:\ProgramData\IBM\MQ\mqclient.ini'
  contained value '-1' that is not valid for the attribute
  'MaximumSize'.
  
  AMQ7076W: Invalid value for attribute in ini file.
  
  EXPLANATION:
  Line 35 of the configuration file
  'C:\ProgramData\IBM\MQ\mqclient.ini'
  contained value '-1' that is not valid for the attribute
  'UpdatePercentage'.
  
  But '-1' is a valid value for both MaximumSize and
  UpdatePercentage as explained in below knowledge center link
  https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_9.1.0/com.
  ibm.mq.con.doc/q016890_.htm
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All users at MQ 9.1 and MQ 9.0.5 level are affected.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  Additional qm.ini validation logic added in Continuous Delivery
  release 9.0.5 did not correctly account for the -1 value being
  valid for these two attributes.
  

Problem conclusion

• The queue manager's qm.ini validation logic has been corrected
  to accept -1 as a valid value for the MaximumSize and
  UpdatePercentage attributes under the MessageBuffer stanza.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.1 CD    9.1.2
  v9.1 LTS   9.1.0.2
  
  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

• R905 PSY

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