Return-Path: Delivered-To: apmail-camel-users-archive@www.apache.org Received: (qmail 18950 invoked from network); 1 Feb 2010 01:56:42 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 1 Feb 2010 01:56:42 -0000 Received: (qmail 73843 invoked by uid 500); 1 Feb 2010 01:56:42 -0000 Delivered-To: apmail-camel-users-archive@camel.apache.org Received: (qmail 73768 invoked by uid 500); 1 Feb 2010 01:56:41 -0000 Mailing-List: contact users-help@camel.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@camel.apache.org Delivered-To: mailing list users@camel.apache.org Received: (qmail 73758 invoked by uid 99); 1 Feb 2010 01:56:41 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 01 Feb 2010 01:56:41 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of willem.jiang@gmail.com designates 209.85.216.187 as permitted sender) Received: from [209.85.216.187] (HELO mail-px0-f187.google.com) (209.85.216.187) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 01 Feb 2010 01:56:32 +0000 Received: by pxi17 with SMTP id 17so9274603pxi.30 for ; Sun, 31 Jan 2010 17:56:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=HjcRZ1Ggu2PQvXfu5ugDcLdWJzFQ4YDOUrgoaMheJ1o=; b=lXl8kaLFrxhYT3esw9rTT8gcK10h/3Ofb1zo+NFhUxzHiPSLn7FEgSMHT+COiBYEXw CshyabFX/4+IKdQ/mOGHaDUoLcFOw/4UvcEvIYoCnJTSqny/V3mkSPC4WfDk75+K4B3I Z6Bm/8nzbUDOGZGB/zURHoj/Sq4rvgmDmgMAs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; b=e8PtvmzIiVYY+iWw2X3FdJOSyLiCGsj+0TwBQkQRq8Q6jcNwblPpyMSzJlrbzPISlR LbP6oicbY9zdQ7h4xrU6fClLWFQdknkaTKkp7dHgC/xmMRnSG9MH3Mjm5EOaCRp6pM5x RaaKie16AbMFtUhrrlrCjsLWyWXpr/WyPi9lI= Received: by 10.114.214.37 with SMTP id m37mr2677029wag.37.1264989370562; Sun, 31 Jan 2010 17:56:10 -0800 (PST) Received: from ?192.168.0.158? ([125.34.15.39]) by mx.google.com with ESMTPS id 23sm4109527pzk.0.2010.01.31.17.56.08 (version=TLSv1/SSLv3 cipher=RC4-MD5); Sun, 31 Jan 2010 17:56:09 -0800 (PST) Message-ID: <4B6634B5.5060905@gmail.com> Date: Mon, 01 Feb 2010 09:56:05 +0800 From: Willem Jiang User-Agent: Thunderbird 2.0.0.23 (Macintosh/20090812) MIME-Version: 1.0 To: users@camel.apache.org Subject: Re: Dead Letter Queue References: <27393562.post@talk.nabble.com> In-Reply-To: <27393562.post@talk.nabble.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hi, First Camel dead letter channel is a generate channel. You can not only store the message into a dead letter queue, but also any other Camel endpoints(such as sead, direct or file). Second, Camel dead letter channel has some advance features which are inherited from error handler[1], you can user the try... catch and onwhen, onException to deal with different error message. [1]http://camel.apache.org/error-handler.html Willem Raster3 wrote: > Hi, > > I was looking at this http://camel.apache.org/dead-letter-channel.html > Previously I have worked with JMS dead letter / error queues using weblogic. > > In Weblogic an error queue is something one configures and associates with a > queue using the weblogic console or using JMX . Depending on the > configuration after a time period or number of retries the message is moved > to the dead letter queue. > > Can you please elaborate on what exactly is the value add of camel in this > context. > > R