'Getting Object Load Error while opening EO from Jdeveloper

I am pretty new to Oracle ADF, and I am working on an existing project. I want to add some attributes (via table) to an existing EO. But whenever I'm trying to open the EO from Jdeveloper, I am getting the following exception, and the EO remains uneditable.

 Caused by: java.lang.NullPointerException
        at oracle.jbo.dt.objects.JboBaseObject.loadFromXMLFile(JboBaseObject.java:4403)
        ... 56 more
oracle.jbo.dt.objects.JboException: Object Load Error.
   Name: oracle.apps.financials.assets.additions.model.entity.AdditionInterfaceEO    
        at oracle.jbo.dt.objects.JboException.throwException(JboException.java:81)
        at oracle.jbo.dt.objects.JboBaseObject.loadFromXMLFile(JboBaseObject.java:4454)
        at oracle.jbo.dt.objects.JboBaseObject.getPDefObject(JboBaseObject.java:6260)
        at oracle.jbo.dt.objects.JboBaseObject.getPDefObject(JboBaseObject.java:6182)
        at oracle.jbo.dt.jdevx.ui.editors.common.panels.JepNamePage.updatePDefObject(JepNamePage.java:472)
        at oracle.jbo.dt.jdevx.ui.editors.common.panels.JepNamePage.refreshPanel(JepNamePage.java:356)
        at oracle.jbo.dt.jdevx.ui.editors.entity.EoeNamePage.refreshPanel(EoeNamePage.java:178)
        at oracle.jbo.dt.jdevx.ui.editors.common.JeoEditorPage.callRefreshPanel(JeoEditorPage.java:141)
        at oracle.jbo.dt.jdevx.ui.editors.common.JeoPagedEditor.doRefreshPanel(JeoPagedEditor.java:461)
        at oracle.jbo.dt.jdevx.ui.editors.common.JeoPagedEditor.refreshPanel(JeoPagedEditor.java:452)
        at oracle.jbo.dt.jdevx.ui.editors.common.JeoEditorPage$1.run(JeoEditorPage.java:161)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
        at java.awt.EventQueue.access$500(EventQueue.java:97)
        at java.awt.EventQueue$3.run(EventQueue.java:709)
        at java.awt.EventQueue$3.run(EventQueue.java:703)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
        at oracle.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169)
        at oracle.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

See the image description for the EO that I couldn't able to add any attribute:

enter image description here

Any help would be highly appreciated.

oracle-adfjdeveloperjdeveloper-11g


Solution 1:[1]

Is this happening for all tables or only for a single entity?

I have a similar issue with an older version of ADF. What happens is that my column names in the database table have longer than 20 characters in length and JDeveloper can't handle that, so for that case I make a manual edit of the EO or make the EO to be based on a view that uses the same table but with shorter column names.

Sources

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Source: Stack Overflow

Solution Source
Solution 1

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