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Internal Error When Attempting to Copy a Device Group in WebCenter Portal (Doc ID 2507399.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle WebCenter Portal - Version and later
Information in this document applies to any platform.


Getting Internal Error when attempting to copy a device group.



The Portal UI shows the following error:

Internal Error (WCS#YYYY.MM.DD.SS.MS)

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The Portal diagnostic log shows the following error:

[2018-10-12T15:46:32.959-04:00] [WC_Portal] [ERROR] [] [oracle.webcenter.webcenterapp.internal.view.webapp] [tid: [ACTIVE].ExecuteThread: '46' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: <USERNAME>] [ecid: <ECID>] [APP: webcenter] [partition-name: DOMAIN] [tenant-name: GLOBAL] [DSID: <DSID>] [[
javax.el.ELException: /oracle/webcenter/webcenterapp/view/taskflows/admin/WebCenterAdmin-DeviceGroups.jsff @10,186 dialogListener="#{pageFlowScope.deviceManager.copyDeviceGroup}": java.lang.NullPointerException
    at com.sun.faces.facelets.el.TagMethodExpression.invoke(
    at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(
    at org.apache.myfaces.trinidad.component.UIXComponent.broadcastInContext(

Caused by: java.lang.NullPointerException
    at oracle.webcenter.webcenterapp.internal.view.backing.WebCenterDeviceManagerBean.copyDeviceGroup(

[2018-10-12T15:46:33.232-04:00] [WC_Portal] [WARNING] [] [oracle.webcenter.webcenterapp.internal.view.backing.PublicPageBean] [tid: [ACTIVE].ExecuteThread: '36' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: <USERNAME>] [ecid: <ECID>] [APP: webcenter] [partition-name: DOMAIN] [tenant-name: GLOBAL] [DSID: <DSID>] Internal Error (WCS#2018.


The issue can be reproduced at will with the following steps:

  1. Connect to WebCenter Portal as an Administrator user.

  2. Navigate to Administration->Device Settings.

  3. Select a device group.
    For example: iOS Phones.

  4. Select Actions->Copy.

  5. Provide a Name and Display Name and click OK.
    Here you will get the error.


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