PM39894: MESSAGE BROKER ABEND OCCURS WHEN PROCESSING XML MESSAGE CONTAINING OBJECT LARGER THAN 64K WITH ESCAPE CHARACTERS

APAR status

• Closed as program error.

Error description

• A Message Broker abend occurs when using XML Native Schema to
  process an XML object larger than 64K which contains XML escape
  characters.
  
  The following is an example of the stack trace seen in the
  .abend file:
  
  ------- Stack dump for current thread (5658)
  (0x13f85770+??????] <no name available> []
  (0x00473c28+0x00000050) malloc_buckets
  [/usr/lib/libc.a(shr_64.o)]
  (0x0034795c+0x00000018) malloc_common_80_64
  [/usr/lib/libc.a(shr_64.o)]
  (0x002fea40+0x00000010) _Fancy_malloc__FUl
  [/usr/lib/libC.a(ansicore_64.o)]
  (0x002fe580+0x00000064) __nw__FUl
  [/usr/lib/libC.a(ansicore_64.o)]
  (0x057a1040+0x00000000) <no name available>
  [/opt/IBM/mqsi/7.0/xml4c/lib/libxml4c57.1.a]
  (0x05537240+0x00000000) <no name available>
  [/opt/IBM/mqsi/7.0/xml4c/lib/libxml4c57.1.a]
  (0x0d0eab20+0x0000003c)
  push__Q2_9xml4c_5_712WtxXMLLoggerFPCc@AF55_7
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d0eae80+0x000000fc)
  log__Q2_9xml4c_5_712WtxXMLLoggerFP7WtxType@AF59_12
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d032620+0x00000240) endObject__20CoreEngineXSDHandlerFUs
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d03b560+0x0000008c)
  endObject__Q2_9xml4c_5_725WtxXMLDocumentHandlerImplFP7WtxType
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d03b740+0x00000140)
  endElement__Q2_9xml4c_5_725WtxXMLDocumentHandlerImplFRCQ2_9xml4c
  _5_714XMLElementDeclUibPCUs [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d047b80+0x00000218)
  endElement__Q2_9xml4c_5_712WtxSAXParserFRCQ2_9xml4c_5_714XMLElem
  entDeclUibPCUs [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d061200+0x000003d4)
  scanEndTag__Q2_9xml4c_5_713WtxXMLScannerFRb
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d060200+0x00000410)
  scanContent__Q2_9xml4c_5_713WtxXMLScannerFv
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d05fb20+0x00000100)
  scanDocument__Q2_9xml4c_5_713WtxXMLScannerFRCQ2_9xml4c_5_711Inpu
  tSource [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d046760+0x000000a8)
  parse__Q2_9xml4c_5_712WtxSAXParserFRCQ2_9xml4c_5_711InputSource
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d0393c0+0x0000056c)
  parse__Q2_9xml4c_5_725WtxXMLDocumentHandlerImplFv
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d031bc0+0x0000005c) validateInput__20CoreEngineXSDHandlerFv
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d01bf00+0x00000018) ValidateXMLInput
  [/opt/IBM/wsdtx/libs/libxds4c.so]
  (0x0d3b9300+0x00000170) InvokeExternalParser
  [/opt/IBM/wsdtx/libs/libplatapi.so]
  (0x0d38c6e0+0x000000b4) MercExitProc
  [/opt/IBM/wsdtx/libs/libplatapi.so]
  (0x0d205380+0x0000072c) CallExternalParser
  [/opt/IBM/wsdtx/libs/libcoreapi.so]
  (0x0d249a20+0x00000194) Timing_ValidateAnInputCard
  [/opt/IBM/wsdtx/libs/libcoreapi.so]
  (0x0d1d3480+0x00002fa4) RunInstance
  [/opt/IBM/wsdtx/libs/libcoreapi.so]
  (0x0d1d6be0+0x0000009c) RunMercMap
  [/opt/IBM/wsdtx/libs/libcoreapi.so]
  (0x0d3a23a0+0x000017bc) RunAllMaps
  [/opt/IBM/wsdtx/libs/libplatapi.so]
  (0x0d3b9ee0+0x00000464) CallRunMap
  [/opt/IBM/wsdtx/libs/libplatapi.so]
  (0x0d3bb5c0+0x00000114) RunMapInstance
  [/opt/IBM/wsdtx/libs/libplatapi.so]
  (0x0ce99e80+0x00000000) <no name available>
  [/opt/IBM/wsdtx/libs/libdstxpi.so]
  (0x0ce99ce0+0x00000000) <no name available>
  [/opt/IBM/wsdtx/libs/libdstxpi.so]
  (0x0ce51b80+0x00000000) <no name available>
  [/opt/IBM/wsdtx/wmqi/dtxwmqi.lil]
  (0x0ce1ada0+0x00000000) <no name available>
  [/opt/IBM/wsdtx/wmqi/dtxwmqi.lil]
  (0x07fc4920+0x000002f0)
  evaluate__10ImbCniNodeFRC18ImbMessageAssemblyPC19ImbDataFlowTerm
  inal [/opt/IBM/mqsi/7.0/lib/libimbdfplg.a(libimbdfplg64.a.so)]
  (0x049957b0+0x00000188)
  evaluate__19ImbDataFlowTerminalFRC18ImbMessageAssembly
  [/opt/IBM/mqsi/7.0/lib/libMessageServices.a(libMessageServices.a
  .so)]
  (0x04995260+0x000000fc)
  propagateInner__19ImbDataFlowTerminalFRC18ImbMessageAssemblyP19I
  mbDataFlowTerminal
  [/opt/IBM/mqsi/7.0/lib/libMessageServices.a(libMessageServices.a
  .so)]
  (0x04f00ab8+0x00000158)
  propagate__19ImbDataFlowTerminalFRC18ImbMessageAssembly
  [/opt/IBM/mqsi/7.0/lib/libMessageServices.a(libMessageServices.a
  .so)]
  (0x08151598+0x00001dd4) run__18ImbCommonInputNodeFP11ImbOsThread
  [/opt/IBM/mqsi/7.0/lib/libMQLibrary.a(libMQLibrary.a.so)]
  (0x08165898+0x00000040)
  run__Q2_18ImbCommonInputNode10ParametersFP11ImbOsThread
  [/opt/IBM/mqsi/7.0/lib/libMQLibrary.a(libMQLibrary.a.so)]
  (0x044d8488+0x00000078)
  run__27ImbThreadPoolThreadFunctionFP11ImbOsThread
  [/opt/IBM/mqsi/7.0/lib/libCommonServices.a(libCommonServices.a.s
  o)]
  (0x044d0178+0x00000080) threadRun__11ImbOsThreadFv
  [/opt/IBM/mqsi/7.0/lib/libCommonServices.a(libCommonServices.a.s
  o)]
  (0x044cf938+0x00000114) threadBootStrap__11ImbOsThreadFPv
  [/opt/IBM/mqsi/7.0/lib/libCommonServices.a(libCommonServices.a.s
  o)]
  (0x002aa418+0x000000e0) _pthread_body
  [/usr/lib/libpthreads.a(shr_xpg5_64.o)]
  (0x00000000) <invalid code address>
  ----------------------------------------------------------------
  

Local fix

• WTXCQ - WTX00037675
  BD / BD
  Circumvention: None
  

Problem summary

• Users Affected:
  WebSphere Transformation Extender customers using native schema
  parser, object greater than 64K and object contains escape
  characters
  
  Problem Description:
  Access exception crash and possible memory overlay when using
  Native schema XML parser and have an object greater than 64K and
  that object contains escape characters
  
  Platforms Affected:
  ALL
  

Problem conclusion

• Prevent access exception and memory overlays  when using Native
  schema XML parser and have an object greater than 64K and that
  object contains escape characters.
  
  Delivered in:
  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

  WTX FOR INT SER

• Fixed component ID

  5724M4010

Applicable component levels

• R830 PSY

     UP