PH11947: XML PARSE ... RETURNING NATIONAL ABEND0C4 due to generated code inadvertantly freeing an input buffer

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• During execution of an XML PARSE ... RETURNING NATIONAL
  statement under option XMLPARSE(XMLSS), compiler generated code
  inadvertantly frees a parse input buffer before parsing is
  complete, resulting in a later 0C4 abend.
  
  Depending on the size of the parse input relative to the heap
  segment size, LE option HEAP(,,,KEEP) may obscure the fact that
  freed memory is still being used.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of Enterprise COBOL V6.2 compiling     *
  *                 and running programs with the                *
  *                 XMLPARSE(XMLSS) compiler option, where the   *
  *                 program contains an XML PARSE statement      *
  *                 with the RETURNING NATIONAL phrase where     *
  *                 the input data item is alphanumeric and the  *
  *                 XML document contains elements that will     *
  *                 span multiple XML-NTEXT special registers.   *
  ****************************************************************
  * PROBLEM DESCRIPTION: A COBOL program may experience a        *
  *                      system ABEND  at runtime, due to        *
  *                      execution of an XML PARSE statement     *
  *                      which referenced a previously released  *
  *                      storage area.                           *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  ****************************************************************
  During processing of the XML PARSE statement, the compiler
  generated code to obtain storage at runtime to be used as an
  input buffer to the XML parser.  The storage was inadvertently
  released before subsequent references to the storage resulting
  in a runtime ABEND.
  

Problem conclusion

• The compiler was changed to generate code for the XML PARSE
  statement that will only release the storage when it is no
  longer required.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  PH10521

• APAR is sysrouted TO one or more of the following:

Modules/Macros

• IGY8RWTU IGYCASMB IGYCCBE  IGYCCCRT IGYCCICS IGYCCSRV IGYCDGEN
  IGYCDIAG IGYCDMAP IGYCEN$0 IGYCEN$1 IGYCEN$2 IGYCEN$3 IGYCEN$4
  IGYCEN$5 IGYCEN$8 IGYCEN$D IGYCEN$R IGYCFGEN IGYCFREE IGYCINIT
  IGYCJA$0 IGYCJA$1 IGYCJA$2 IGYCJA$3 IGYCJA$4 IGYCJA$5 IGYCJA$8
  IGYCJA$D IGYCJA$R IGYCLIBH IGYCLIBO IGYCLIBR IGYCLSTR IGYCLVL0
  IGYCLVL1 IGYCLVL2 IGYCLVL3 IGYCLVL8 IGYCMALL IGYCOSCN IGYCPGEN
  IGYCRCTL IGYCRDPR IGYCRDSC IGYCREAL IGYCRWT  IGYCSCAN IGYCSIMD
  IGYCUE$0 IGYCUE$1 IGYCUE$2 IGYCUE$3 IGYCUE$4 IGYCUE$5 IGYCUE$8
  IGYCUE$D IGYCUE$R IGYCXREF IGYDRV   IGYEQCWI IGYMSGE  IGYMSGK
  IGYMSGT  IGYQCBE  IGYZQDRV IGYZQENU IGYZQJPN
  

Fix information

• Fixed component name

  ENT COBOL FOR Z

• Fixed component ID

  5655EC600

Applicable component levels

• R620 PSY UI63207

     UP19/05/30 P F905

• R621 PSY UI63208

     UP19/05/30 P F905

• R622 PSY UI63209

     UP19/05/30 P F905

Fix is available

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