Return-Path: Delivered-To: apmail-db-derby-dev-archive@www.apache.org Received: (qmail 44366 invoked from network); 9 Dec 2008 01:02:05 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 9 Dec 2008 01:02:05 -0000 Received: (qmail 1356 invoked by uid 500); 9 Dec 2008 01:02:17 -0000 Delivered-To: apmail-db-derby-dev-archive@db.apache.org Received: (qmail 1322 invoked by uid 500); 9 Dec 2008 01:02:17 -0000 Mailing-List: contact derby-dev-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: Delivered-To: mailing list derby-dev@db.apache.org Received: (qmail 1309 invoked by uid 99); 9 Dec 2008 01:02:17 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Dec 2008 17:02:17 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 09 Dec 2008 01:00:55 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 8408F234C34A for ; Mon, 8 Dec 2008 17:01:44 -0800 (PST) Message-ID: <343914871.1228784504539.JavaMail.jira@brutus> Date: Mon, 8 Dec 2008 17:01:44 -0800 (PST) From: "Kathey Marsden (JIRA)" To: derby-dev@db.apache.org Subject: [jira] Updated: (DERBY-3980) Conflicting select then update with REPEATABLE_READ gives lock timeout instead of deadlock In-Reply-To: <259072576.1228784504459.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/DERBY-3980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Kathey Marsden updated DERBY-3980: ---------------------------------- Attachment: derby.log TryTimeout.java > Conflicting select then update with REPEATABLE_READ gives lock timeout instead of deadlock > ------------------------------------------------------------------------------------------ > > Key: DERBY-3980 > URL: https://issues.apache.org/jira/browse/DERBY-3980 > Project: Derby > Issue Type: Bug > Components: Store > Affects Versions: 10.1.3.1, 10.2.2.0, 10.3.3.0, 10.4.2.0, 10.5.0.0 > Reporter: Kathey Marsden > Attachments: derby.log, TryTimeout.java > > > The attached program TryTimeout.java should detect a deadlock but instead throws a lock timeout exception. The program has two threads that attempt: > > threadConnection.setAutoCommit(false); > /* set isolation level to repeatable read */ > threadConnection.setTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ); > > ResultSet rs = stmt.executeQuery("select * from t where i = 456"); > while (rs.next()); > stmt.executeUpdate("update t set i = 456 where i = 456"); > threadConnection.commit(); > This gives SQLState 40001 (deadlock) with DB2 but a lock timeout with Derby. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.