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PI15518: NOTIFICATIONS NOT SENT TO SERVICE INTEGRATION BUS CLIENTS WHEN A MESSAGING ENGINE INSTANCE IS STOPPED FORCEFULLY.

Fixes are available

PI15518;8.5.5: notifications not sent to service integration bus clients when a messaging engine instance is stopped forcefully
8.5.5.3: WebSphere Application Server V8.5.5 Fix Pack 3
7.0.0.35: WebSphere Application Server V7.0 Fix Pack 35
8.5.5.4: WebSphere Application Server V8.5.5 Fix Pack 4
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
7.0.0.37: WebSphere Application Server V7.0 Fix Pack 37
8.5.5.5: WebSphere Application Server V8.5.5 Fix Pack 5
8.5.5.6: WebSphere Application Server V8.5.5 Fix Pack 6
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.5.5.7: WebSphere Application Server V8.5.5 Fix Pack 7
7.0.0.39: WebSphere Application Server V7.0 Fix Pack 39
8.5.5.8: WebSphere Application Server V8.5.5 Fix Pack 8
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.5.5.9: WebSphere Application Server V8.5.5 Fix Pack 9
7.0.0.41: WebSphere Application Server V7.0 Fix Pack 41
8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
7.0.0.43: WebSphere Application Server V7.0 Fix Pack 43
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
7.0.0.35: Java SDK 1.6 SR16 FP1 Cumulative Fix for WebSphere Application Server
7.0.0.37: Java SDK 1.6 SR16 FP3 Cumulative Fix for WebSphere Application Server
7.0.0.39: Java SDK 1.6 SR16 FP7 Cumulative Fix for WebSphere Application Server
7.0.0.41: Java SDK 1.6 SR16 FP20 Cumulative Fix for WebSphere Application Server
7.0.0.43: Java SDK 1.6 SR16 FP41 Cumulative Fix for WebSphere Application Server
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14

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APAR status

  • Closed as program error.

Error description

  • Notifications not sent to Service Integration Bus clients when
    a messaging engine instance is stopped forcefully.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  Users of the default messaging provider     *
    *                  for                                         *
    *                  IBM WebSphere Application Server V8.5       *
    ****************************************************************
    * PROBLEM DESCRIPTION: When messaging engine receives          *
    *                      FORCE_STOP request, clients which       *
    *                      are connected to the messaging engine   *
    *                      are not notified about the stop event.  *
    *                      As a result, the client will not be     *
    *                      able to connect to messaging engine     *
    *                      after messaging engine fails over to    *
    *                      another member in cluster. Since the    *
    *                      clients are not notified about the      *
    *                      stop event, they would still use the    *
    *                      existing connection that has been       *
    *                      established previously and              *
    *                      SIConnectionUnavailableException and    *
    *                      SIMPConnectionUnavailableException      *
    *                      will be thrown in the logs              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    In a WebSphere Application Server Service Integration Bus,
    when a messaging engine loses a connection to datastore it
    will try to re-establish a connection to the datastore for 15
    minutes. If unsuccessful then the messaging engine receives a
    FORCE_STOP request and goes to disabled state but connected
    clients will not be notified about the messaging engine stop
    event. Since the clients are not notified about the stop
    event, they would still use the existing connection that has
    been established previously, leading to
    SIConnectionUnavailableException and
    SIMPConnectionUnavailableException in the logs.
    com.ibm.wsspi.sib.core.exception.SIConnectionUnavailableExceptio
    n: CWSIC8007E:  An exception was caught from the remote server
    with ID 3-008-0001 Exception: CWSIK0022E: The connection is
    closed to messaging engine CL_BPWH01.000-BPM.De1.Bus and
    cannot be used....
    at
    com.ibm.ws.sib.comms.common.CommsByteBuffer.parseSingleException
    (CommsByteBuffer.java:1810)
    at
    com.ibm.ws.sib.comms.common.CommsByteBuffer.getException(CommsBy
    teBuffer.java:1263)
    at
    com.ibm.ws.sib.comms.common.JFAPCommunicator.checkFor_SIConnecti
    onUnavailableException(JFAPCommunicator.java:1300)
    at
    com.ibm.ws.sib.comms.client.ConnectionProxy._createConsumerSessi
    on(ConnectionProxy.java:1269)
    at
    com.ibm.ws.sib.comms.client.ConnectionProxy.createConsumerSessio
    n(ConnectionProxy.java:943)
    at
    com.ibm.ws.sib.api.jms.impl.JmsMsgConsumerImpl.createCoreConsume
    r(JmsMsgConsumerImpl.java:1048)
    ........
    

Problem conclusion

  • We will now send stop event notifications to messaging
    engine clients when the messaging engine receives a FORCE_STOP
    request.
    
    The fix for this APAR is currently targeted for inclusion in
    fix packs 7.0.0.35, 8.0.0.10 and 8.5.5.3.  Please refer to the
    Recommended Updates page for delivery information:
    http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI15518

  • Reported component name

    WAS SIB & SIBWS

  • Reported component ID

    620800101

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-04-09

  • Closed date

    2014-05-30

  • Last modified date

    2014-07-15

  • 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

    WAS SIB & SIBWS

  • Fixed component ID

    620800101

Applicable component levels

  • R850 PSY

       UP



Document information

More support for: WebSphere Application Server
Service Integration Technology

Software version: 850

Reference #: PI15518

Modified date: 15 July 2014