IBM Support

IT28795: FTP SERVER FRONTSIDE HANDLER MIGHT SUFFER CLOSE-WAIT CONNECTIONS AND CONTRIBUTE TO CPU HIGH

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APAR status

  • Closed as program error.

Error description

  • The user observed increased continuous CPU and also a somewhat
    correlating number of close-wait state connections to an FTP
    Server Frontside Handler.
    

Local fix

Problem summary

  • DataPower CPU might remain high if external FTP client
    failed to complete the TCP four-way-handshake termination to
    the FTP Front Protocol Handler.
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IT28795

  • Reported component name

    DATAPOWER

  • Reported component ID

    DP1234567

  • Reported release

    760

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-04-15

  • Closed date

    2019-05-23

  • Last modified date

    2019-05-29

  • 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

    DATAPOWER

  • Fixed component ID

    DP1234567

Applicable component levels



Document information

More support for: IBM DataPower Gateways
General

Software version: 760

Reference #: IT28795

Modified date: 29 May 2019