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From Marc Prud'hommeaux <mprud...@apache.org>
Subject Re: Problem with clob data type in JPA
Date Thu, 26 Jul 2007 09:08:10 GMT

 From the error message, it looks like your first problem is that you  
are using TopLink, and not OpenJPA :)

That being said, I don't think that OpenJPA natively supports fields  
of type Clob. Why not just make it a String field and annotate it  
with @Lob? Is there some reason the field needs to be of type Clob?


On Jul 26, 2007, at 1:40 AM, saravanan_tvm wrote:

>
>
> Hi,
>
>       By including one clob column i am facing below problem.
>       This is my code present in the entity for clob column...
> @Lob
>     @Basic(fetch = FetchType.EAGER )
>     @Column(name="FIELD_DATA")
>     private Clob customData;
>
> Can anybody tell me how to solve this problem?
>
>
> Exception [TOPLINK-32] (Oracle TopLink Essentials - 2.0 (Build b48- 
> beta3
> (05/23/
> 2007))): oracle.toplink.essentials.exceptions.DescriptorException
> Exception Description: Trying to set value [It is old drug] for  
> instance
> variabl
> e [customData] of type [java.sql.Clob] in the object.  The  
> specified object
> is n
> ot an instance of the class or interface declaring the underlying  
> field, or
> an u
> nwrapping conversion has failed.
> Internal Exception: java.lang.IllegalArgumentException
> -- 
> View this message in context: http://www.nabble.com/Problem-with- 
> clob-data-type-in-JPA-tf4150168.html#a11806438
> Sent from the OpenJPA Developers mailing list archive at Nabble.com.
>


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