Return-Path: Delivered-To: apmail-lucene-solr-user-archive@locus.apache.org Received: (qmail 52047 invoked from network); 3 Dec 2006 13:16:33 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 3 Dec 2006 13:16:33 -0000 Received: (qmail 21562 invoked by uid 500); 3 Dec 2006 13:16:41 -0000 Delivered-To: apmail-lucene-solr-user-archive@lucene.apache.org Received: (qmail 21540 invoked by uid 500); 3 Dec 2006 13:16:41 -0000 Mailing-List: contact solr-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: solr-user@lucene.apache.org Delivered-To: mailing list solr-user@lucene.apache.org Received: (qmail 21531 invoked by uid 99); 3 Dec 2006 13:16:41 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Dec 2006 05:16:41 -0800 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (herse.apache.org: domain of yseeley@gmail.com designates 64.233.182.185 as permitted sender) Received: from [64.233.182.185] (HELO nf-out-0910.google.com) (64.233.182.185) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 03 Dec 2006 05:16:30 -0800 Received: by nf-out-0910.google.com with SMTP id n28so3581694nfc for ; Sun, 03 Dec 2006 05:16:09 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:sender:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=ZMxhtWOj94R8jcLaPBlwCcmyDjiK68zE0GU3Nb/B47vNhmOOu4Op9AY2KYxQflVc7llOevma7w8EZ6UWT97y2aCXCJzg4ygbf70WAFlBcnwp9Tq2YPo0IdDY1oKZmHueXhpe9IH1E7bFcMYjwFlifgfdaa10jShastELWw+HcAk= Received: by 10.82.142.9 with SMTP id p9mr1313227bud.1165151769171; Sun, 03 Dec 2006 05:16:09 -0800 (PST) Received: by 10.82.149.12 with HTTP; Sun, 3 Dec 2006 05:16:08 -0800 (PST) Message-ID: Date: Sun, 3 Dec 2006 08:16:08 -0500 From: "Yonik Seeley" Sender: yseeley@gmail.com To: solr-user@lucene.apache.org Subject: Re: solr/tomcat stops responding In-Reply-To: <3f732c0b0612021635j159f0d1h72604c95efe9a4df@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <3f732c0b0611302113u7934c4f9xec6767464916db8e@mail.gmail.com> <3f732c0b0612011204t1d840ef9s59fdb08117ea1198@mail.gmail.com> <3f732c0b0612021635j159f0d1h72604c95efe9a4df@mail.gmail.com> X-Google-Sender-Auth: 1534bd30d719ae97 X-Virus-Checked: Checked by ClamAV on apache.org On 12/2/06, Kevin Lewandowski wrote: > > accept connections for 3 or 4 hours ... did you try taking some thread > > dumps like yonik suggested to see what all the threads were doing? > > A kill -3 will not kill the process. It does nothing and there's no > thread dump on the console. kill -9 does kill it though. Hmmm, on most Linux/UNIX systems, sending the QUIT signal does nothing else but generate a stack trace to the console or a log file. If you don't start tomcat by hand, the stack trace may go somewhere else I suppose. This would be useful to learn how to do on your particular system (and we should add it to a debugging/troubleshooting wiki too). > btw, this has been a bigger problem for me because there's a separate > hardware issue and the system freezes about every 12 hours. So I have > to reboot it. After that I noticed solr not responding. Are you load-balancing at all, or is this your only search server? FYI, I'm looking into something that will help. -Yonik