IC95782: GENXMLELEM() IS CAUSING MEMORY CORRUPTION

APAR status

• Closed as program error.

Error description

• The genxmlelem() function is creating an assertion failure with
  following AF, when publishing each element in the document
  separately.
  
  08:59:53  Bad free block removed from pool
  08:59:53
  08:59:53  IBM Informix Dynamic Server Version 11.70.FC7 Software
  Serial Number AAA#B000000
  
  08:59:53  Assert Warning: Memory block header corruption
  detected in mt_shm_free 2
  08:59:53   Who: Session(2444272, informix, 20084,
  c000000022472650)
                  Thread(2451209, sqlexec, c000000022434d88, 1)
                  File: mtshpool.c Line: 2654
  08:59:53   Results:
  08:59:53   Action: Please notify IBM Informix Technical Support.
  08:59:53  Raw hex dump of stack located in /af.6af15f58.rawstk
  08:59:53  Stack for thread: 2451209 sqlexec
  
  (oninit)afstack
  (oninit)afhandler
  (oninit)afwarn_interface
  (oninit)mt_free
  (oninit)mi_free
  (oninit)final_aggrelem
  (oninit)udrlm_clang_execute_internal
  (oninit)udrlm_clang_execute
  (oninit)udrlm_exec_routine
  (oninit)udr_execute
  (oninit)sqexop
  (oninit)eval_uda_final
  (oninit)non_group_by_next
  (oninit)getrow
  (oninit)fetchrow
  (oninit)exfetch
  (oninit)sql_nfetch
  (oninit)sq_nfetch
  (oninit)sqmain
  (oninit)listen_verify
  (oninit)spawn_thread
  (oninit)startup
  (oninit)coroutine_start
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * XML functions                                                *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to IDS-11.70.xC9                                      *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IDS-11.70.xC9
  

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

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels

• RB50 PSY

     UP

• RB70 PSY

     UP

• RC10 PSY

     UP