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SE30754 - MQM400- MSGMCH3402 AMQRRMFA ABEND DURING QUEUE MANAGER STARTUP

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 APAR (Authorized Program Analysis Report)

Abstract

MQM400- MSGMCH3402 AMQRRMFA ABEND DURING QUEUE MANAGER STARTUP

Error Description

During Queue Manager startup, intermittently job AMQRRMFA may  
fail with MCH3402 while logging AMQ7163 .                      
.                                                              
MCH3402 QC2UTIL1 QSYS *STMT LIBMQMCS_R QMQM                    
From module . . . . . . . . : QC2CFMO                          
From procedure . . . . . . : printf_s__FPCcP5cspecP7put_ctl    
Statement . . . . . . . . . : 11                                
To module . . . . . . . . . : AMQXTRCA_R                        
To procedure . . . . . . . : xtr_parms                          
Statement . . . . . . . . . : 24 *PRCLT                        
                                                               
This may hang the queue manager startup process. An FDC would  
be generated by AMQZXMA0 reporting missing child process for    
AMQRRMFA job.                                                  
Additonal symptoms: STRMQM STRMQM_R AMQZXMA0 could generate    
FDC ZX005025 zxcProcessChildren zrcX_PROCESS_MISSING amqrrmfa  
noticed at 6.0.2.2 and 6.0.2.3                                  

Problem Summary

During Queue Manager startup, intermittently job AMQRRMFA may  
fail with MCH3402 while logging AMQ7163 .                      
.                                                              
MCH3402 QC2UTIL1 QSYS *STMT LIBMQMCS_R QMQM                    
                                                               
From module . . . . . . . . : QC2CFMO                          
                                                               
From procedure . . . . . . : printf_s__FPCcP5cspecP7put_ctl    
                                                               
Statement . . . . . . . . . : 11                                
                                                               
To module . . . . . . . . . : AMQXTRCA_R                        
                                                               
To procedure . . . . . . . : xtr_parms                          
                                                               
Statement . . . . . . . . . : 24 *PRCLT                        
                                                               
                                                               
                                                               
This may hang the queue manager startup process. An FDC would  
be generated by AMQZXMA0 reporting missing child process for    
AMQRRMFA job.                                                  
                                                               
MCH3402 exception is occurring when WMQ tries to log AMQ7163    
in AMQRRMFA process. There is a possibility of not resetting    
the message inserts correctly while initialization which can    
led to the exception when trying to log AMQ7163 by AMQRRMFA    
process.                                                        
Users Affecetd:-                                                
Users starting queue manager on iSeries.                        

Problem Conclusion

Code changes have been carried out to initialize the message    
inserts correctly.                                              
                                                               
---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:        
                                                               
                   v6.0                                        
Platform           Fix Pack 6.0.2.4                            
--------           --------------------                        
iSeries            SI31813                                      
                                                               
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

Circumvention


Problem is intermitent. The next startup may start the queue    

manager successfully.                                          

PTFs Available

R600 SI47898 PTF Cover Letter   1000

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 5724H7206
Failing Module.......................... RCHMGR
Reported Release................... R600
Duplicate Of..............................




System i Support

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Document Information

Modified date:
11 December 2012