IBM Support

IT48251: CICS REQUESTS TIME OUT WITH A JAVA.LANG.NULLPOINTEREXCEPTION

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APAR status

  • Closed as program error.

Error description

  • The cics requests times out with the following exception :
    2025-05-09 11:16:19.313     71 java.lang.NullPointerException:
    Cannot read the array length because "b" is null
    2025-05-09 11:16:19.313     71  at
    java.base/java.io.DataInputStream.readFully(DataInputStream.java
    :198)
    2025-05-09 11:16:19.314     71  at
    com.ibm.ctg.client.ECIRequest.readObject(Unknown Source)
    2025-05-09 11:16:19.314     71  at
    com.ibm.ctg.client.TcpJavaGateway.run(Unknown Source)
    2025-05-09 11:16:19.314     71  at
    java.base/java.lang.Thread.run(Thread.java:857)
    The errors occurs with Java 17 and it is resolved by the CTG
    APAR - https://www.ibm.com/support/pages/apar/PH43219
    

Local fix

  • NIL
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    All users of IBM App Connect Enterprise using CICS request node
    with Java 17.
    
    
    Platforms affected:
    WinX64, LinuxX64, LinuxZ64, AIX, LinuxPPCLE64
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    The CICS requests times out with the following exception when
    using CTG v9.2 Jars and App Connect Enterprise configured to use
    Java 17:
    2025-05-09 11:16:19.313     71
    java.lang.NullPointerException: Cannot read the array length
    because "b" is null
    2025-05-09 11:16:19.313     71  at
    java.base/java.io.DataInputStream.readFully(DataInputStream.java
    :198)
    2025-05-09 11:16:19.314     71  at
    com.ibm.ctg.client.ECIRequest.readObject(Unknown
    Source)
    2025-05-09 11:16:19.314     71  at
    com.ibm.ctg.client.TcpJavaGateway.run(Unknown Source)
    2025-05-09
    11:16:19.314     71  at
    java.base/java.lang.Thread.run(Thread.java:857)
    
    This issue is
    resolved by the CTG APAR -
    https://www.ibm.com/support/pages/apar/PH43219
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT48251

  • Reported component name

    APP CONNECT ENT

  • Reported component ID

    5724J0570

  • Reported release

    D0X

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-07-03

  • Closed date

    2025-07-24

  • Last modified date

    2025-07-24

  • 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

    APP CONNECT ENT

  • Fixed component ID

    5724J0570

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSDR5J","label":"IBM App Connect Enterprise"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"13.0.0","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Document Information

Modified date:
24 July 2025