IX90098: INFINITE LOOP IN THE ORB INTERNAL STRUCTURE LIMITEDMULTIMAP

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APAR status

  • Closed as program error.

Error description

  • Error Message: An application using multiple concurrent EJBs in
    separate classloaders may observe a hang.
    .
    Stack Trace: Java callstack:
    at
    com/ibm/rmi/util/LimitedMultiMap$FixedList$Remover.remove(Limite
    dMultiMap.java:544(Compiled Code))
    at
    com/ibm/rmi/util/LimitedMultiMap.performScheduledRemovals(Limite
    dMultiMap.java:276(Compiled Code))
    (entered lock:
    com/ibm/rmi/util/list/LinkedList@0x000007FC799A33B8, entry
    count: 1)
    at
    com/ibm/rmi/transport/ConnectionTableImpl.getConnection(Connecti
    onTableImpl.java:385)
    (entered lock:
    com/ibm/rmi/transport/ConnectionTableImpl@0x000007FC799A3360,
    entry count: 1)
    at
    com/ibm/ws/orbimpl/transport/WSTransport.getConnection(WSTranspo
    rt.java:349)
    at
    com/ibm/CORBA/transport/TransportBase.getConnection(TransportBas
    e.java:187)
    at
    com/ibm/rmi/iiop/TransportManager.get(TransportManager.java:93)
    at com/ibm/rmi/iiop/GIOPImpl.getConnection(GIOPImpl.java:130)
    at com/ibm/rmi/iiop/GIOPImpl.createRequest(GIOPImpl.java:174)
    at
    com/ibm/rmi/corba/ClientDelegate._createRequest(ClientDelegate.j
    ava:2010
    .
    NA
    

Local fix

  • NA
    

Problem summary

  • The problem was due to a timing window which resulted in adding
    the value to a list with the reference to itself.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR3
    6.0.1 SR4
    6.0.0 SR12
    .
    The list code has been modified to ensure no duplicate entries
    get added to the list.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IX90098

  • Reported component name

    ORB

  • Reported component ID

    620700123

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-11

  • Closed date

    2012-10-11

  • Last modified date

    2012-10-11

  • 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

    ORB

  • Fixed component ID

    620700123

Applicable component levels

  • R260 PSY

       UP

  • R600 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
ORB

Software version:

260

Reference #:

IX90098

Modified date:

2012-10-11

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