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Re: BUG #2249: unsupported frontend protocol

From: Kris Jurka <books(at)ejurka(dot)com>
To: Satheesh <satheeshravikumar(at)gmail(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #2249: unsupported frontend protocol
Date: 2006-02-09 15:46:39
Message-ID: Pine.BSO.4.61.0602091045180.7022@leary.csoft.net (view raw or flat)
Thread:
Lists: pgsql-bugs

On Thu, 9 Feb 2006, Satheesh wrote:

> The following bug has been logged online:
>
> Bug reference:      2249
> PostgreSQL version: 7.3.2
> Description:        unsupported frontend protocol
> Details:
>
> iam having database server postgres version 7.3.2 and jboss 4.x as 
> webserver, while executing the application iam getting an error message 
> of "FATAL:Unsupported Front end Protocol". This makes my application to 
> execute slowly. plz help me. Tahnks in Advance
>

When using a new JDBC driver with an old server version it first tries to 
connect with the v3 protocol and then falls back to the v2 protocol if 
that fails.  To tell the driver you want a v2 protocol from the start add 
?protocolVersion=2 to your URL.

Kris Jurka


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Subject: Re: BUG #2249: unsupported frontend protocol

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