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JR52558: COACH NAVIGATION FAILS WITH COM.LOMBARDISOFTWARE.COMPONENT. COMMON.WORKFLOW.WORKFLOWPROCESSITEMEXCEPTION: TYPE MISMATCH

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APAR status

  • Closed as program error.

Error description

  • When you trigger a boundary event on a coach, the navigation
    might fail with an exception. Depending on the human service
    model, an error handler might be triggered. Without an error
    handler, the service fails and you see an exception in the
    SystemOut.log file:
    
    [2/13/15 10:46:43:659 CET] 0000004f wle           E
    CWLLG0594E: An exception occurred while initializing the
    runnable thread. Error:
    com.lombardisoftware.component.common.workflow.WorkflowProcessIt
    emException: Type mismatch. Value TWObject[(Active: Y), (Type:
    2), (TWClassID: TWClass.aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee),
    (MetaData: dirty=false, shared=false, key=null, version=null,
    rootVersionContextID=null, className=null)] must be of type
    BusinessObjectType
    
    com.lombardisoftware.component.common.workflow.WorkflowProcessIt
    emException: Type mismatch. Value TWObject[(Active: Y), (Type:
    2), (TWClassID: TWClass.aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee),
    (MetaData: dirty=false, shared=false, key=null, version=null,
    rootVersionContextID=null, className=null)] must be of type
    BusinessObjectType
     at com.lombardisoftware.component.common.workflow.
      ExecutionJob.doJob(ExecutionJob.java:421)
     at com.lombardisoftware.server.ejb.workflow.
      EJBWorkflowManagerBean.doResumeWorkflowEngine
      (EJBWorkflowManagerBean.java:1278)
     at com.lombardisoftware.server.ejb.workflow.
      EJBWorkflowManagerBean.resumeProcess
      (EJBWorkflowManagerBean.java:407)
     at com.lombardisoftware.server.ejb.workflow.
      EJSRemoteStatefulEJBWorkflowManager_82478d70.
      resumeProcess(Unknown Source)
     at com.lombardisoftware.server.ejb.workflow.
      _EJBWorkflowManagerInterface_Stub.resumeProcess
      (_EJBWorkflowManagerInterface_Stub.java:518)
     at com.lombardisoftware.component.common.workflow.
      EJBWorkflowManagerDelegateDefault.resumeProcess
      (EJBWorkflowManagerDelegateDefault.java:142)
     at com.lombardisoftware.component.common.workflow.
      EJBWorkflowManagerDelegateWebSphere$6.run
      (EJBWorkflowManagerDelegateWebSphere.java:84)
     at java.security.AccessController.doPrivileged
      (AccessController.java:327)
     at com.lombardisoftware.client.delegate.common.
      WebsphereDelegateHelper.doAsCurrentSubjectContextSensitive
      (WebsphereDelegateHelper.java:197)
     at com.lombardisoftware.client.delegate.common.
      WebsphereDelegateHelper.doAsCurrentSubjectContextSensitive
      (WebsphereDelegateHelper.java:181)
     at com.lombardisoftware.component.common.workflow.
      EJBWorkflowManagerDelegateWebSphere.resumeProcess
      (EJBWorkflowManagerDelegateWebSphere.java:82)
     at com.lombardisoftware.component.common.web.
      WebWorkflowManager.callEJBWorkflowManager
      (WebWorkflowManager.java:828)
     at com.lombardisoftware.component.common.web.
      WebWorkflowManager.processScreen(WebWorkflowManager.java:786)
     at com.lombardisoftware.component.common.web.
      WebWorkflowManager.processRequest
      (WebWorkflowManager.java:319)
     at com.lombardisoftware.servlet.AjaxControllerServlet.
      doPost(AjaxControllerServlet.java:145)
     ...
    
    The problem occurs only when the coach you are looking at
    previously triggered another boundary event, causing the
    navigation to come back to itself. During this navigation, a
    property of an item in a complex object array was set to null.
    

Local fix

Problem summary

  • When a coach navigates to itself, the coach is not refreshed.
    Instead, only the data that changed during the navigation is
    sent back to the browser client. When the changed data includes
    a property of a complex object that is set to null, and this
    property is part of a list, this property is incorrectly set to
    an empty array. The next boundary event then sends this
    incorrect data back to the server where it cannot be mapped.
    

Problem conclusion

  • A fix is available for IBM BPM that returns the correct value.
    
    On Fix Central (http://www.ibm.com/support/fixcentral), search
    for JR52558:
    
    1. Select IBM Business Process Manager with your edition from
      the product selector, the installed version to the fix pack
      level, and your platform, and then click Continue.
    
    2. Select APAR or SPR, enter JR52558, and click Continue.
    
    When you download fix packages, ensure that you also download
    the readme file for each fix. Review each readme file for
    additional installation instructions and information about the
    fix.
    

Temporary fix

  • Not applicable
    

Comments

APAR Information

  • APAR number

    JR52558

  • Reported component name

    BPM STANDARD

  • Reported component ID

    5725C9500

  • Reported release

    801

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-02-13

  • Closed date

    2015-04-08

  • Last modified date

    2015-04-08

  • 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

    BPM STANDARD

  • Fixed component ID

    5725C9500

Applicable component levels

  • R801 PSY

       UP

  • R855 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTDH","label":"IBM Business Process Manager Standard"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0.1","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
08 April 2015