IBM Support

PH72675: JAVA CRYPTOGRAPHIC PROVIDERS MAY HANG OR FAIL IF CPACF IS NOT ENABLED ON THE SYSTEM.

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APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    Symptoms vary depending on product being used, such as
    "com.ibm.crypto.plus.provider.icc.ICCException: ICC_Attach
    failed" message from IBMJCEPlus or z/OSMF failing to accept REST
    calls and z/OSMF hanging.
    

Local fix

Problem summary

  • Java cryptographic providers are unable to operate correctly due
    
    to the lack of an entropy source on machines that do not have
    CPACF enabled.
    

Problem conclusion

  • The ICC cryptographic engine used by IBMJCEPlus and OpenJCEPlus
    was updated to generate entropy in software to allow these
    providers to operate without a system entropy source.
    .
    This APAR will be fixed in the following Releases:
    .
    IBM Semeru Runtimes
      25              25.0.4.0
      21              21.0.12.0
      17              17.0.20.0
      11              11.0.32.0
    IBM SDK, Java Technology Edition
      8    SR8 FP70  (8.0.8.70)
    .
    Downloads and supplementary documentation can be found at the
    following locations:
    - For the z/OS operating system:
     - Java SDK Products on z/OS
       https://www.ibm.com/support/pages/java-sdk-products-zos
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH72675

  • Reported component name

    JAVA Z/OS 64

  • Reported component ID

    620700104

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-08-13

  • Closed date

    2026-08-13

  • Last modified date

    2026-08-13

  • 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

    JAVA Z/OS 64

  • Fixed component ID

    620700104

Applicable component levels

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"800","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
13 August 2026