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Re: Exception 'org.postgresql.util.PSQLException' could not be instantiated

From: Oliver Jowett <oliver(at)opencloud(dot)com>
To: Krutik Frank <krutikf(at)We-plan-IT(dot)de>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Exception 'org.postgresql.util.PSQLException' could not be instantiated
Date: 2010-05-16 08:36:53
Message-ID: 4BEFAEA5.2040500@opencloud.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
Krutik Frank wrote:
> Hello,
> 
> i have a problem to get a PSQLException. The reason is Hessian as 
> transport layer. Hessian de-/serializes every Object automatically (Java 
> Reflection) and needs for every object an standard constructor without 
> parameters. your actual driver version don't includes a version 
> of org.postgresql.util.PSQLException with a standard constructor without 
> parameters.

Well.. you are correct, it doesn't include such a constructor, because 
there's no need for it.

There are probably many other incompatibilities with Hessian. I don't 
know if applying something like Hessian directly to the driver's objects 
is a sensible thing to do. You probably want a wrapper layer.

-O

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