PI65464: HIGH CPU UTILITIZATION MAY OCCUR WHEN COPYING BUSINESS OBJECTS.

Fixes are available

APAR status

Closed as program error.

Error description

Steps to copy business objects may encounter high CPU
utilization, with
collected thread dumps showing calls through EcoreUtil.copy, for
example, as shown below:

WeakHashMap.get(Object)Object+35
  (line 699)
org.eclipse.emf.ecore.util.FeatureMapUtil$BasicValidator$Cache.g
et(org.e
clipse.emf.ecore.EStructuralFeature)Boolean [compiled] +3
  (line 2714)
org.eclipse.emf.ecore.util.FeatureMapUtil$BasicValidator.isValid
(org.ecl
ipse.emf.ecore.EStructuralFeature)void+16
  (line 2886)
org.eclipse.emf.ecore.util.BasicFeatureMap.add(Object)void+95
  (line 954)
org.eclipse.emf.ecore.util.EcoreUtil$Copier.copyReferences()void
[compiled] +388
  (line 1255)
org.eclipse.emf.ecore.util.EcoreUtil.copy(org.eclipse.emf.ecore.
EObject)
org.eclipse.emf.ecore.EObject [compiled] +16
  (line 710)
com.ibm.ws.bo.service.BOCopyImpl.copy(commonj.sdo.DataObject)com
monj.sdo
.DataObject+36
  (line 139)
com.ibm.ws.bo.delegate.BOCopyDelegate.copy(commonj.sdo.DataObjec
t)common
j.sdo.DataObject [compiled] +13
  (line 107)
com.ibm.ws.sibx.smobo.util.BOHelper.copy(commonj.sdo.DataObject)
commonj.
sdo.DataObject+7
  (line 167)
com.ibm.ws.sibx.smobo.impl.ServiceMessageObjectImpl.clone()com.i
bm.websp
here.sibx.smobo.ServiceMessageObject+59
  (line 3652)
com.ibm.ws.sibx.scax.mediation.engine.SIBXMessageCloner.cloneMes
sage(com
monj.sdo.DataObject)commonj.sdo.DataObject+39
  (line 120)
com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.set
Terminal
Fired(com.ibm.ws.sibx.scax.mediation.engine.TerminalFiredEvent)v
oid+139
  (line 2202)

Local fix

```
n/a
```

Problem summary

****************************************************************
* USERS AFFECTED:  Users of IBM WebSphere Application Server   *
*                  SIB / Business Object function.             *
****************************************************************
* PROBLEM DESCRIPTION: Service integration bus (SIB) and/or    *
*                      Business Object operations can see      *
*                      high CUP utilization.                   *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When performing application operations which use SIB or
Business Object functionality, high CPU usage can be seen in
method "copy" of class "org.eclipse.emf.ecore.util.EcoreUtil",
invoked from method "copy" from class
"com.ibm.ws.bo.service.BOCopyImpl".
A collected thread dump from the application server process
will show a stack similar to the following:
WeakHashMap.get(Object)Object+35 (line 699)
org.eclipse.emf.ecore.util.FeatureMapUtil$BasicValidator$Cache.g
et(org.eclipse.emf.ecore.EStructuralFeature)Boolean [compiled]
+3 (line 2714)
org.eclipse.emf.ecore.util.FeatureMapUtil$BasicValidator.isValid
(org.eclipse.emf.ecore.EStructuralFeature)void+16 (line 2886)
org.eclipse.emf.ecore.util.BasicFeatureMap.add(Object)void+95
(line 954)
org.eclipse.emf.ecore.util.EcoreUtil$Copier.copyReferences()void
[compiled] +388 (line 1255)
org.eclipse.emf.ecore.util.EcoreUtil.copy(org.eclipse.emf.ecore.
EObject)org.eclipse.emf.ecore.EObject [compiled] +16 (line 710)
com.ibm.ws.bo.service.BOCopyImpl.copy(commonj.sdo.DataObject)com
monj.sdo.DataObject+36 (line 139)
com.ibm.ws.bo.delegate.BOCopyDelegate.copy(commonj.sdo.DataObjec
t)commonj.sdo.DataObject [compiled] +13 (line 107)
com.ibm.ws.sibx.smobo.util.BOHelper.copy(commonj.sdo.DataObject)
commonj.sdo.DataObject+7 (line 167)
com.ibm.ws.sibx.smobo.impl.ServiceMessageObjectImpl.clone()com.i
bm.websphere.sibx.smobo.ServiceMessageObject+59 (line 3652)
com.ibm.ws.sibx.scax.mediation.engine.SIBXMessageCloner.cloneMes
sage(commonj.sdo.DataObject)commonj.sdo.DataObject+39 (line
120)
com.ibm.ws.sibx.scax.mediation.engine.JavaMediationPrimitive.set
TerminalFired(com.ibm.ws.sibx.scax.mediation.engine.TerminalFire
dEvent)void+139 (line 2202)
For this problem, a collected thread dump must show the call
through class ECoreUtil.

Problem conclusion

The problem occurs because the step of copying Business
Objects, which is implemented by class "EcoreUtil", performs
validation of the copied objects.  The validation step is
expensive and is unnecessary because validation has already
been performed on the Business Object which is being copied.

The problem is resolved by a code update which skips the
validation step when copying Business Objects.

The fix for this APAR is currently targeted for inclusion in
fix pack versions 7.0.0.43, 8.0.0.13, 8.5.5.12, and
9.0.0.3.  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
PI65464
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-07-06
Closed date
2016-12-01
Last modified date
2018-01-16

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
WEBS APP SERV N
Fixed component ID
5724H8800

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
21 December 2022

Tips

PI65464: HIGH CPU UTILITIZATION MAY OCCUR WHEN COPYING BUSINESS OBJECTS.

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

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

Fixed component ID

Applicable component levels

Document Information

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