Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 8879 invoked from network); 22 Aug 2008 12:38:16 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 22 Aug 2008 12:38:16 -0000 Received: (qmail 24313 invoked by uid 500); 22 Aug 2008 12:37:01 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 24252 invoked by uid 500); 22 Aug 2008 12:37:01 -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 24162 invoked by uid 99); 22 Aug 2008 12:37:00 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 22 Aug 2008 05:37:00 -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; Fri, 22 Aug 2008 12:36:09 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id C6E8A234C29E for ; Fri, 22 Aug 2008 05:34:49 -0700 (PDT) Message-ID: <150829506.1219408489813.JavaMail.jira@brutus> Date: Fri, 22 Aug 2008 05:34:49 -0700 (PDT) From: "Hudson (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Commented: (HADOOP-3647) Corner-case in IFile leads to failed tasks In-Reply-To: <92835918.1214454886607.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/HADOOP-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624720#action_12624720 ] Hudson commented on HADOOP-3647: -------------------------------- Integrated in Hadoop-trunk #581 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/]) > Corner-case in IFile leads to failed tasks > ------------------------------------------ > > Key: HADOOP-3647 > URL: https://issues.apache.org/jira/browse/HADOOP-3647 > Project: Hadoop Core > Issue Type: Bug > Components: mapred > Affects Versions: 0.18.0 > Reporter: Arun C Murthy > Assignee: Arun C Murthy > Priority: Blocker > Fix For: 0.18.0 > > Attachments: HADOOP-3647_0_20080708.patch, HADOOP-3647_1_20080710.patch > > > A couple of reduce tasks failed at IFile.Reader.next, one with: > {noformat} > java.lang.NegativeArraySizeException > at org.apache.hadoop.mapred.IFile$Reader.readNextBlock(IFile.java:246) > at org.apache.hadoop.mapred.IFile$Reader.next(IFile.java:298) > at org.apache.hadoop.mapred.Merger$Segment.next(Merger.java:134) > at org.apache.hadoop.mapred.Merger$MergeQueue.adjustPriorityQueue(Merger.java:225) > at org.apache.hadoop.mapred.Merger$MergeQueue.next(Merger.java:242) > at org.apache.hadoop.mapred.Task$ValuesIterator.readNextKey(Task.java:720) > at org.apache.hadoop.mapred.Task$ValuesIterator.next(Task.java:679) > at org.apache.hadoop.mapred.ReduceTask$ReduceValuesIterator.next(ReduceTask.java:225) > at org.apache.hadoop.mapred.lib.IdentityReducer.reduce(IdentityReducer.java:39) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:316) > at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2157) > {noformat} > On a related note, another failed at: > {code:title=IFile.java:380} > // Position for the next record > long skipped = dataIn.skip(recordLength); > if (skipped != recordLength) { > throw new IOException("Failed to skip past record of length: " + > recordLength); > } > {code} > where recordLength was *-17*. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.