Hi Johnson,

did you update the OJB.properties file? We introduce a new factory
ImplementationClass=org.apache.ojb.odmg.ImplementationImpl
in OJB.properties file to define the used org.odmg.Implementation
implementation.
Maybe this cause the problem.

regards
Armin

Johnson wrote:
> Hi!
> 
> I Found if use db-ojb1.0rc7 had the same problem
> 
> Best Regards
> Johnson
> 
> ----- Original Message ----- 
> From: "Johnson" <[EMAIL PROTECTED]>
> To: "OJB Users List" <[EMAIL PROTECTED]>
> Sent: Tuesday, July 13, 2004 2:09 PM
> Subject: Question about OdmgImplementation
> 
> 
> 
>>Hi!
>>
>> I use odmg to connect postgres since cocoon 2.1.5 db-ojb is 1.0rc6
>>I upgrade to cocoon 2.2 dev db-ojb is 1.0.0
>>but the code is fail  for getInstance();
>>the code is
>>var odmgImpl =
>>
> 
> cocoon.getComponent(Packages.org.apache.cocoon.ojb.odmg.components.OdmgImple
> 
>>metation.ROLE);
>>var impl = odmgImpl.getInstance("sy");
>>If I change the db-ojb back to 1.0rc6 it's ok
>>But in 1.0.0 java.lang.NullPointerException occurs
>>
>> How to correct it.
>>
>> Best regards
>>
>> Johnson
>>
>>
>>
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