Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 58007 invoked from network); 31 Mar 2008 22:00:49 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 31 Mar 2008 22:00:49 -0000 Received: (qmail 85779 invoked by uid 500); 31 Mar 2008 22:00:47 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 85585 invoked by uid 500); 31 Mar 2008 22:00:47 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 85576 invoked by uid 99); 31 Mar 2008 22:00:47 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 31 Mar 2008 15:00:47 -0700 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; Mon, 31 Mar 2008 22:00:14 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 64F64234C0B2 for ; Mon, 31 Mar 2008 14:58:24 -0700 (PDT) Message-ID: <1311384340.1207000704412.JavaMail.jira@brutus> Date: Mon, 31 Mar 2008 14:58:24 -0700 (PDT) From: "Nigel Daley (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Created: (HADOOP-3141) periodic ConcurrentModificationException in IPC Server MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org periodic ConcurrentModificationException in IPC Server ------------------------------------------------------ Key: HADOOP-3141 URL: https://issues.apache.org/jira/browse/HADOOP-3141 Project: Hadoop Core Issue Type: Bug Components: ipc Affects Versions: 0.16.1 Reporter: Nigel Daley Seeing this exception in the Namenode log (429 of them yesterday alone) 2008-03-30 00:00:32,332 WARN org.apache.hadoop.ipc.Server: Exception in Responder java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$KeyIterator.next(HashMap.java:827) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010) at org.apache.hadoop.ipc.Server$Responder.run(Server.java:475) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.