Return-Path: Delivered-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Received: (qmail 32889 invoked from network); 11 Jun 2010 07:58:38 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 11 Jun 2010 07:58:38 -0000 Received: (qmail 7996 invoked by uid 500); 11 Jun 2010 06:58:38 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 7952 invoked by uid 500); 11 Jun 2010 06:58:38 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-issues@hadoop.apache.org Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 7937 invoked by uid 99); 11 Jun 2010 06:58:38 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 11 Jun 2010 06:58:38 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 11 Jun 2010 06:58:35 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id o5B6wDwl009831 for ; Fri, 11 Jun 2010 06:58:14 GMT Message-ID: <23343343.40431276239493753.JavaMail.jira@thor> Date: Fri, 11 Jun 2010 02:58:13 -0400 (EDT) From: "Vinod K V (JIRA)" To: mapreduce-issues@hadoop.apache.org Subject: [jira] Updated: (MAPREDUCE-1813) NPE in PipeMapred.MRErrorThread In-Reply-To: <33415169.29521274774846932.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/MAPREDUCE-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Vinod K V updated MAPREDUCE-1813: --------------------------------- Status: Patch Available (was: Open) Hadoop Flags: [Reviewed] +1 for the patch. Submitting to Hudson. > NPE in PipeMapred.MRErrorThread > ------------------------------- > > Key: MAPREDUCE-1813 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-1813 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: contrib/streaming > Affects Versions: 0.20.1 > Reporter: Amareshwari Sriramadasu > Assignee: Ravi Gummadi > Fix For: 0.22.0 > > Attachments: 1813.patch, 1813.v1.2.patch, 1813.v1.3.patch, 1813.v1.4.patch, 1813.v1.patch > > > Some reduce tasks fail with following NPE > java.lang.RuntimeException: java.lang.NullPointerException > at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:325) > at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:540) > at org.apache.hadoop.streaming.PipeReducer.close(PipeReducer.java:137) > at org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:474) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:412) > at org.apache.hadoop.mapred.Child.main(Child.java:159) > Caused by: java.lang.NullPointerException > at org.apache.hadoop.streaming.PipeMapRed$MRErrorThread.setStatus(PipeMapRed.java:517) > at org.apache.hadoop.streaming.PipeMapRed$MRErrorThread.run(PipeMapRed.java:449) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.