IBM Support

IT45988: MFT Agent abends with NullPointerException when processing Partitioned Data Sets on z/OS.

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APAR status

  • Closed as program error.

Error description

  • An MFT Agent can abend (controlled termination) when processing
Partitioned Data Sets. This is caused by a NullPointerException
within the Java MFT Agent.

This can manifest as the following stack trace.

java.lang.NullPointerException
	at
com.ibm.wmqfte.cmdhandler.impl.FTETransferItemGenerator.generate
TransferItemPairs(FTETransferItemGenerator.java:483)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTEIte
mHandler.generateItemListPairs(FTECommandHandlerSAXParser.java:9
19)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTEIte
mHandler.endElement(FTECommandHandlerSAXParser.java:771)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTETra
nsferSetHandler.endElement(FTECommandHandlerSAXParser.java:543)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTESAX
Handler.endElement(FTECommandHandlerSAXParser.java:317)
 	at
org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown
Source)
 	at
org.apache.xerces.impl.xs.XMLSchemaValidator.endElement(Unknown
Source)
 	at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(U
nknown Source)
 	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentCo
ntentDispatcher.dispatch(Unknown Source)
 	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocume
nt(Unknown Source)
 	at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
 	at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
 	at org.apache.xerces.parsers.XMLParser.parse(Unknown
Source)
 	at
org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
 	at
org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
 Source)
 	at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown
Source)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser.parser
XML(FTECommandHandlerSAXParser.java:1778)
 	at
com.ibm.wmqfte.cmdhandler.impl.MessageHandlerImpl.externalMessag
eHandler(MessageHandlerImpl.java:209)
 	at
com.ibm.wmqfte.cmdhandler.impl.MessageHandlerImpl.processCommand
(MessageHandlerImpl.java:167)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerWorkerThread.pro
cessCommand(FTECommandHandlerWorkerThread.java:283)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerWorkerThread.run
(FTECommandHandlerWorkerThread.java:174)
 	at java.lang.Thread.run(Thread.java:825)
 	at com.ibm.wmqfte.thread.FTEThread.run(FTEThread.java:70)

Local fix

  • 



Problem summary


    

  • ****************************************************************
USERS AFFECTED:
Users of MFT Agents on z/OS and s390X (Linux on Z) where the
agent is processing Partitioned Data Sets (PDS).


Platforms affected:
z/OS

****************************************************************
PROBLEM DESCRIPTION:
An MFT Agent can abend (controlled termination) when processing
Partitioned Data Sets. This is caused by a NullPointerException
within the Java MFT Agent.

This can manifest as the following stack trace.

java.lang.NullPointerException
	at
com.ibm.wmqfte.cmdhandler.impl.FTETransferItemGenerator.generate
TransferItemPairs(FTETransferItemGenerator.java:483)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTEIte
mHandler.generateItemListPairs(FTECommandHandlerSAXParser.java:9
19)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTEIte
mHandler.endElement(FTECommandHandlerSAXParser.java:771)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTETra
nsferSetHandler.endElement(FTECommandHandlerSAXParser.java:543)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser$FTESAX
Handler.endElement(FTECommandHandlerSAXParser.java:317)
 	at
org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown
Source)
 	at
org.apache.xerces.impl.xs.XMLSchemaValidator.endElement(Unknown
Source)
 	at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(U
nknown Source)
 	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentCo
ntentDispatcher.dispatch(Unknown Source)
 	at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocume
nt(Unknown Source)
 	at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
 	at
org.apache.xerces.parsers.XML11Configuration.parse(Unknown
Source)
 	at org.apache.xerces.parsers.XMLParser.parse(Unknown
Source)
 	at
org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
Source)
 	at
org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
 Source)
 	at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown
Source)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerSAXParser.parser
XML(FTECommandHandlerSAXParser.java:1778)
 	at
com.ibm.wmqfte.cmdhandler.impl.MessageHandlerImpl.externalMessag
eHandler(MessageHandlerImpl.java:209)
 	at
com.ibm.wmqfte.cmdhandler.impl.MessageHandlerImpl.processCommand
(MessageHandlerImpl.java:167)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerWorkerThread.pro
cessCommand(FTECommandHandlerWorkerThread.java:283)
 	at
com.ibm.wmqfte.cmdhandler.impl.FTECommandHandlerWorkerThread.run
(FTECommandHandlerWorkerThread.java:174)
 	at java.lang.Thread.run(Thread.java:825)
 	at com.ibm.wmqfte.thread.FTEThread.run(FTEThread.java:70)

    



Problem conclusion


    

  • The MFT Agent will now no longer abend, due to throwing a
NullPointerException, when processing Partitioned Data Sets.

---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:

Version    Maintenance Level
v9.3 LTS   9.3.0.25
v9.4 LTS   9.4.0.10
v9.x CD    9.4.1

The latest available maintenance can be obtained from
'IBM MQ Recommended Fixes'
https://www.ibm.com/support/pages/recommended-fixes-ibm-mq

If the maintenance level is not yet available information on
its planned availability can be found in 'IBM MQ
Planned Maintenance Release Dates'
https://ibm.biz/mqplannedmaintenance

---------------------------------------------------------------

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT45988
    • 

  • Reported component name
    MQ BASE V9.3
    • 

  • Reported component ID
    5724H7291
    • 

  • Reported release
    930
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2024-04-22
    • 

  • Closed date
    2024-07-10
    • 

  • Last modified date
    2024-07-10
    • 





    

  • 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
    MQ BASE V9.3
    • 

  • Fixed component ID
    5724H7291
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.3","Line of Business":{"code":"LOB67","label":"IT Automation \u0026 App Modernization"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 July 2024
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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