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Re: ERXEntityClassDescription - Invalid class name for entity [SOLVED]
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Re: ERXEntityClassDescription - Invalid class name for entity [SOLVED]


  • Subject: Re: ERXEntityClassDescription - Invalid class name for entity [SOLVED]
  • From: Chuck Hill <email@hidden>
  • Date: Mon, 13 Oct 2008 18:14:06 -0700


On Oct 13, 2008, at 5:43 PM, Ash Mishra wrote:


I'm trying to switch a WOApp that has a framework with my model and entity classes to use Project Wonder. I've followed the Quickstart guide, but the following error occurs when the application launches:


[main] WARN er.extensions.ERXEntityClassDescription - Invalid class name for entity: Account exception: java.lang.ClassNotFoundException: Account using com.webobjects.eocontrol.EOGenericRecord instead



For the record on a google search. The problem above is if you put the classes for your entities in packages. e.g. framework/sources/ com/myproject/entities/Account.java.

If your EOModel lists Account as the entity name and Account as the class name, in a standard WOLips / Eclipse project that uses a framerok - this will work. WO at runtime is able to find Account without any difficulty.

Switching to Project Wonder (use of ERXApplication... etc), this breaks, because whatever classloading mechanism Wonder is using - it is unable to find the class for the entity unless the full package name is specified. ie. The EOModel needs to list Account as the entity name, and com.myproject.entities.Account as the class name. This solves the issue.


I'd say that regardless of what you are using, the class name in the model should match the fully qualified class name. Anything else is playing with fire.


Chuck


-- Chuck Hill Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects







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References: 
 >ERXEntityClassDescription - Invalid class name for entity (From: Ash Mishra <email@hidden>)
 >Re: ERXEntityClassDescription - Invalid class name for entity (From: Chuck Hill <email@hidden>)
 >Re: ERXEntityClassDescription - Invalid class name for entity [SOLVED] (From: Ash Mishra <email@hidden>)

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