PM42326: CRASH MAY OCCUR WHEN USING THE ECHO ADAPTER IN RUN() FUNCTION WITH ECHOIN() FUNCTION OR -IE / -OE OVERRIDE PARAMETER

APAR status

• Closed as program error.

Error description

• A crash or core dump may occur when using the Echo Adapter in
  the RUN() function with the ECHOIN() function or when the Echo
  Adapter is defined for a map card setting or with the -IE / -OE
  override parameter.  The behavior was recreated by converting
  an input card defined with the Echo Adapter to an output card,
  then reordering the output cards.
  

Local fix

• WTXCQ - WTX00037977
  GK / GK
  Circumvention: None
  

Problem summary

• Users Affected:
  WebSphere Transformation Extender command server or launcher
  customers using RUN function and ECHOIN or -E command line
  option
  
  Problem Description:
  WTX may crash with the following stack trace due to invalid
  pointer reference:
  
  (5)    ---- Signal delivered ----
  (6)  mercClose + 0xc00 at mercio.c:3943 [bin/dtxcmdsv]
  (7)  CloseDS + 0x1280 at s_files.c:1367 [libs/libcoreapi.so]
  (8)  RunInstance + 0x7fe0 at s_system.c:2105 libs/libcoreapi.so]
  (9)  RunMercMap + 0x190 at s_system.c:1139 [libs/libcoreapi.so]
  
  Platforms Affected:
  ALL
  

Problem conclusion

• Correct code to check for pointer value before it is referenced
  
  Delivered in:
  8.2.0.6, 8.3.0.5
  

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

  WSTX

• Fixed component ID

  5724M4000

Applicable component levels

• R820 PSY

     UP

• R830 PSY

     UP