PM25109: LAUNCHER CRASH ON LINUX WHEN RUNNING MULTI-THREADED MAPS

APAR status

• Closed as program error.

Error description

• Launcher crash on Linux when running multi-threaded maps.
  

Local fix

• WTXCQ - WTX00035659
  GK / GK
  Circumvention : None
  

Problem summary

• Users Affected:
  WebSphere Transformation Extender customers using SUBSTITUTE
  function in multithreading environment
  
  Problem Description:
  WTX core engine function SUBSTITUE is not multithreading safe.
  As a result, internal structures can be corrupted resulting with
  random crashes. WORD_OP or SUBSTITUE functions are likely to be
  in the stack trace. An example stack trace is:
  <signal handler called>
  #7 0x00002b9e222ff766 in TestEquivalents () from
  /opt/merc82/libs/libcoreapi.so
  #8 0x00002b9e222fe6f6 in ZCompare () from
  /opt/merc82/libs/libcoreapi.so
  #9 0x00002b9e223536ff in Word_OP () from
  /opt/merc82/libs/libcoreapi.so
  #10 0x00002b9e22340b9b in FindOperand () from
  /opt/merc82/libs/libcoreapi.so
  
  Platforms Affected:
  All
  

Problem conclusion

• Fixed code in WTX core engine function Substitute to be
  multithreading safe.
  
  Delivered in:
  8.1.0.6, 8.2.0.6, 8.3.0.4
  

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

• R810 PSY

     UP

• R820 PSY

     UP

• R830 PSY

     UP