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From Kathey Marsden <kmarsdende...@sbcglobal.net>
Subject Re: SQLNonTransientConnectionExceptions and SESSION_SEVERITY exceptions that are not '08XXX' spec clarification
Date Mon, 17 Sep 2007 20:33:11 GMT
Lance J. Andersen wrote:
>
>
> Kathey Marsden wrote:
>> There was a discussion started in DERBY-401 on this but I thought I 
>> would submit it as a separate thread.  The JDBC 4.0 spec says in 
>> section 8.5.1..
>>
>> "A NonTransient SQLException must extend the class
>> SQLNonTransientException. A NonTransient SQLException would be thrown
>> in instances where a retry of the same operation would fail unless 
>> the cause of the
>> SQLException is corrected. After a NonTransient SQLException occurs, the
>> application can assume that the connection is still valid. For 
>> SQLState class values
>> that indicate non-transient errors but which are not specified in the 
>> following table,
>> an implementation may throw an instance of the class 
>> SQLNonTransientException."
>>
>> TABLE 8-1 specifies which NonTransientSQLException subclass must be 
>> thrown
>> for a a given SQLState class value:
>> TABLE 8-1 NonTransientSQLExeceptions Subclasses
>> SQL State Class SQLNonTransientException Subclass
>> .....
>> 08 SQLNonTransientConnectionException
>> .....
>>
>> Derby has quite a few exceptions which are SESSION_SEVERITY or 
>> greater which are not SQLState Class '08'.  These exception cause 
>> loss of connection by the application.  There is a list at the bottom 
>> of this mail.  I thought all of these should be 
>> SQLNonTransientConnectionExceptions, 
> SQLNonTransientConnectionException aligns with SQL State class value 
> 08 from 23.1, table 32 of the sql2003 spec.
Thank you Lance for looking at this.
The DRDA Spec section 8.1 defines SQLState mappings to 58XXX which don't 
fall into table 32 and would seem to conflict with the 08006 
exceptions.  Any thoughts on what to do with these?

Kathey





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