IBM Support

IC69309: TYPE 4 JDBC APPLICATIONS CONNECTING TO A DB2 ON Z/OS SYSPLEX OR DB2 PURESCALE SERVER MIGHT HANG AFTER A NOROUTETOHOSTEXCEPTION

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APAR status

  • Closed as program error.

Error description

  • When using the IBM Data Server Driver for SQLJ and JDBC (also
    known as the JCC driver) in an application server
    connecting to a DB2 on z/OS Sysplex or DB2 pureScale server,
    applications might hang if they get a
    java.net.NoRouteToHostException.
    
    The hang only happens when using Type 4 connectivity
    with the JCC property enableSysplexWLB=true .
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of JDBC applications which use the the IBM Data Server *
    * Driver for SQLJ and JDBC (also                               *
    * known as the JCC driver) in an application server connecting *
    * to a DB2 on z/OS Sysplex or DB2 pureScale server.            *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * When using the IBM Data Server Driver for SQLJ and JDBC      *
    * (also known as the JCC driver) in an application server      *
    * connecting to a DB2 on z/OS Sysplex or DB2 pureScale server, *
    * applications might hang if they get a                        *
    * java.net.NoRouteToHostException.                             *
    *                                                              *
    * The hang only happens when using Type 4 connectivity with    *
    * the JCC property enableSysplexWLB=true                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * .                                                            *
    ****************************************************************
    

Problem conclusion

  • Problem was first fixed in Version 9.7 Fix Pack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC69309

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-06-21

  • Closed date

    2010-10-11

  • Last modified date

    2010-10-11

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

    LI75508

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R950 PSN

       UP

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC69309

Modified date: 11 October 2010