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PI04908: Can not load plugins reliably as osgiService in Liberty

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APAR status

  • Closed as program error.

Error description

  • Users receive the following CWOBJ2416E exception in their FFDC:
Stack Dump =
com.ibm.websphere.objectgrid.config.ObjectGridConfigurationExcep
tion: CWOBJ2416E: The OSGi Service 'xyz' plug-in
was not instantiated and is not configured. The exception is
java.lang.IllegalArgumentException: OSGi Service
'xyz' is not available..
 at
com.ibm.ws.objectgrid.config.ObjectGridConfigurationImpl.instant
iateMe(ObjectGridConfigurationImpl.java:1928)
 at
com.ibm.ws.objectgrid.config.ObjectGridConfigurationImpl.complet
eInitialization(ObjectGridConfigurationImpl.java:1283)
 at
com.ibm.ws.objectgrid.config.ObjectGridConfigurationImpl.getClus
teredObjectGrid(ObjectGridConfigurationImpl.java:704)
 at
com.ibm.ws.objectgrid.ObjectGridManagerImpl.getObjectGrid(Object
GridManagerImpl.java:1000)
 at
com.ibm.ws.objectgrid.ObjectGridManagerImpl.getObjectGrid(Object
GridManagerImpl.java:856)
 at
com.ibm.ia.gateway.spi.ObjectGridClient.connect(ObjectGridClient
.java:174)
 at
com.ibm.ia.gateway.spi.ObjectGridClient.connectEmbedded(ObjectGr
idClient.java:129)
 at
com.ibm.ia.global.runtime.test.AnalyticsTestMXBeanImpl.init(Anal
yticsTestMXBeanImpl.java:53)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
Impl.java:76)
 at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
AccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:602)
 at
org.apache.aries.blueprint.utils.ReflectionUtils.invoke(Reflecti
onUtils.java:297)
 at
org.apache.aries.blueprint.container.BeanRecipe.invoke(BeanRecip
e.java:958)
 at
org.apache.aries.blueprint.container.BeanRecipe.runBeanProcInit(
BeanRecipe.java:712)
 at
org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(
BeanRecipe.java:824)
 at
org.apache.aries.blueprint.container.BeanRecipe.internalCreate(B
eanRecipe.java:787)
 at
org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractReci
pe.java:79)
 at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:33
4)
 at java.util.concurrent.FutureTask.run(FutureTask.java:166)
 at
org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractReci
pe.java:88)
 at
org.apache.aries.blueprint.di.RefRecipe.internalCreate(RefRecipe
.java:62)
 at
org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractReci
pe.java:106)
 at
org.apache.aries.blueprint.container.ServiceRecipe.createService
(ServiceRecipe.java:282)
 at
org.apache.aries.blueprint.container.ServiceRecipe.internalGetSe
rvice(ServiceRecipe.java:249)
 at
org.apache.aries.blueprint.container.ServiceRecipe.internalCreat
e(ServiceRecipe.java:146)
 at
org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractReci
pe.java:79)
 at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:33
4)
 at java.util.concurrent.FutureTask.run(FutureTask.java:166)
 at
org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractReci
pe.java:88)
 at
org.apache.aries.blueprint.container.BlueprintRepository.createI
nstances(BlueprintRepository.java:245)
 at
org.apache.aries.blueprint.container.BlueprintRepository.createA
ll(BlueprintRepository.java:183)
 at
org.apache.aries.blueprint.container.BlueprintContainerImpl.inst
antiateEagerComponents(BlueprintContainerImpl.java:668)
 at
org.apache.aries.blueprint.container.BlueprintContainerImpl.doRu
n(BlueprintContainerImpl.java:370)
 at
org.apache.aries.blueprint.container.BlueprintContainerImpl.run(
BlueprintContainerImpl.java:261)
 at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.ja
va:471)
 at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:33
4)
 at java.util.concurrent.FutureTask.run(FutureTask.java:166)
 at
org.apache.aries.blueprint.container.ExecutorServiceWrapper.run(
ExecutorServiceWrapper.java:106)
 at
org.apache.aries.blueprint.utils.threading.impl.DiscardableRunna
ble.run(DiscardableRunnable.java:48)
 at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.ja
va:471)
 at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:33
4)
 at java.util.concurrent.FutureTask.run(FutureTask.java:166)
 at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFuture
Task.access$201(ScheduledThreadPoolExecutor.java:178)
 at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFuture
Task.run(ScheduledThreadPoolExecutor.java:292)
 at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExec
utor.java:1145)
 at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExe
cutor.java:615)
 at java.lang.Thread.run(Thread.java:780)

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:  Users of WebSphere eXtreme Scale with the   *
*                  Liberty Profile. Plug-ins are defined with  *
*                  the osgiService attribute.                  *
****************************************************************
* PROBLEM DESCRIPTION: An CWOBJ2416E exception is in           *
*                      the FFDC log:                           *
*                      IllegalArgumentException: OSGi          *
*                      Service 'xyz' is not available.         *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
The plug-in definition is read,  the service is created, and
then
immediately gets the ranking. The service and its ranking is
populated by OSGi in the background. This can lead to a race
condition.

    



Problem conclusion


    

  • When the ranking is retrieved, a check and retry occurs.  The th
available.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PI04908
    • 

  • Reported component name
    WS EXTREME SCAL
    • 

  • Reported component ID
    5724X6702
    • 

  • Reported release
    860
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2013-10-28
    • 

  • Closed date
    2013-10-30
    • 

  • Last modified date
    2013-10-30
    • 





    

  • 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
    WS EXTREME SCAL
    • 

  • Fixed component ID
    5724X6702
    • 



Applicable component levels


    

  • R860  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSTVLU","label":"WebSphere eXtreme Scale"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"860","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            30 October 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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