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IC82875: APPLICATION CRASH DUE TO JAVA ERROR 'IOEXCEPTION: TOO MANY OPEN FILES' IF ENABLESYSPLEXWLB=TRUE

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • If a JDBC application is connecting to a DB2 for z/OS Sysplex
    (Data-sharing) environment or DB2 PureScale environment, a
    situation may occur in which file references to a temporary file
    (serverlist.lock) are not closed, and continue to accumulate
    until the application returns the following exception:
    
      IOException: Too many open files
    
    This will result in a JVM crash.
    
    If this issue is suspected, run the following command for
    several iterations:
    
    On Unix:
    
    lsof -u <application userid>
    
    If the number of file desciptors pointing to
      /tmp/serverlist.lock
    

Local fix

Problem summary

  • See error description.
    

Problem conclusion

  • Fixed in JCC driver versions 3.62.102 & 4.12.98 and higher.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC82875

  • Reported component name

    DB2 CONNECT

  • Reported component ID

    DB2CONNCT

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-04-24

  • Closed date

    2014-06-18

  • Last modified date

    2014-06-18

  • 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

    DB2 CONNECT

  • Fixed component ID

    DB2CONNCT

Applicable component levels

  • R970 PSY

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.5

Reference #: IC82875

Modified date: 18 June 2014