PM21072: CERTAIN INVALID XML ELEMENTS PARSED THROUGH A WTX MAP CAN CAUSE THE MAP DESIGNER TO CRASH

APAR status

• Closed as program error.

Error description

• When using a map that relies on the Xerces external parser, some
  types of invalid XML, can lead to the Eclipse based Map Designer
  crashing, with a unhandled exception in javaw.exe such as:
  
  Unhandled exception at 0x61da50da in javaw.exe: 0xC0000005:
  Access violation reading location 0x2f9ab72e.
  

Local fix

• WTXCQ - WTX00035352
  PB / PB
  Circumvention: None
  

Problem summary

• Users Affected:
  WebSphere Transformation Extender customers using xercess trees
  and processing invalid xml documents
  
  Problem Description:
  This is an error condition handling problem when running Xerces
  trees and Document verification option of Xerces parser is set
  to never. If XML data is corrupted (invalid xml doc) due to
  mismatch in opening and closing tag names or due to missing xml
  end-tag, WTX XML parser may crash when trying to handle error
  condition.
  
  Platforms Affected:
  All
  

Problem conclusion

• Fixed WTX xml parser to properly handle invalid xml documents.
  The map fails with the proper error message.
  
  Delivered in:
  8.2.0.6, 8.3.0.3
  

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:

  PM22464

Fix information

• Fixed component name

  WTX COMMON COMP

• Fixed component ID

  5655R9500

Applicable component levels

• R820 PSY

     UP

• R830 PSY

     UP