On 5-Sep-06, at 6:05 PM, Joshua D. Drake wrote:
> Alvaro Herrera wrote:
>> Tom Lane wrote:
>>> "Joshua D. Drake" <jd@commandprompt.com> writes:
>>>>>> Fail in what way. Hang, not connect, or get an error msg?
>>>> Just verified with customer. Once the problem occurs the first
>>>> time, the customer will continually get the same error message
>>>> for each subsequent connection attempt:
>>>> server sent data ("D" message) without prior row description
>>>> ("T" message)
>>> During the connection attempt? I don't think libpq can report that
>>> message until it tries to do a regular query (might be wrong
>>> though).
>>> Is the client using some application that's going to issue a query
>>> immediately on connecting?
>> What I've been wondering all along is whether they are using a
>> connection pool.
>
> Yes they are using a connection pool. A java based one.
Since java has it's own protocol implementation, this is totally
unrelated to any libpq error messages.
While I've not personally used the pool in question (c3p0) my
understanding is that it is pretty robust.
Personally, I'm betting on some windows TCP/IP weirdness here.
Dave
>
> Sincerely,
>
> Joshua D. Drake
>
>
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