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IV76646: NETWORKINTERFACE ISLOOPBACK() METHOD IS BROKEN IN THE PRESENCE O F MULTIPLE TCP STACKS ON Z/OS

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: java.net.SocketException: errno: 0, error: IOCTL
    SIOCGLIFFLAGS failed
    .
    Stack Trace: at java.net.NetworkInterface.isLoopback0(Native
    Method)
    at
    java.net.NetworkInterface.isLoopback(NetworkInterface.java:410)
    .....
    .
    

Local fix

Problem summary

  • The SocketException with 'IOCTL SIOCGLIFFLAGS failed' message is
    thrown when isLoopback() method probes for EZASAMEMVS interface
    on z/OS.
    

Problem conclusion

  • The return value bug inside native processing of isLoopback()
    method got fixed.
    .
    This APAR will be fixed in the following Java Releases:
       7    SR9 FP20  (7.0.9.20)
       6 R1 SR8 FP15  (6.1.8.15)
       6    SR16 FP15 (6.0.16.15)
       7 R1 SR3 FP20  (7.1.3.20)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, information about the available
    Service Refreshes and Fix Packs can be found at:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV76646

  • Reported component name

    JAVA CLASS LIBS

  • Reported component ID

    620700130

  • Reported release

    600

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2015-09-02

  • Closed date

    2015-09-08

  • Last modified date

    2015-09-08

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    PI48208

Fix information

  • Fixed component name

    JAVA CLASS LIBS

  • Fixed component ID

    620700130

Applicable component levels

  • R700 PSY

       UP

  • R600 PSY

       UP



Document information

More support for: Runtimes for Java Technology
Java Class Libraries

Software version: 6.0

Reference #: IV76646

Modified date: 08 September 2015