Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E6E0410238 for ; Mon, 22 Apr 2013 08:34:58 +0000 (UTC) Received: (qmail 74015 invoked by uid 500); 22 Apr 2013 08:34:54 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 73558 invoked by uid 500); 22 Apr 2013 08:34:53 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 73530 invoked by uid 99); 22 Apr 2013 08:34:53 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 22 Apr 2013 08:34:53 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW X-Spam-Check-By: apache.org Received-SPF: error (athena.apache.org: local policy) Received: from [173.203.6.145] (HELO smtp145.ord.emailsrvr.com) (173.203.6.145) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 22 Apr 2013 08:34:48 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp11.relay.ord1a.emailsrvr.com (SMTP Server) with ESMTP id 01300F0074 for ; Mon, 22 Apr 2013 04:34:06 -0400 (EDT) X-Virus-Scanned: OK Received: by smtp11.relay.ord1a.emailsrvr.com (Authenticated sender: kaveh-AT-plutoz.com) with ESMTPSA id B8DA4F0063 for ; Mon, 22 Apr 2013 04:34:06 -0400 (EDT) Message-ID: <5174F5FD.5080702@plutoz.com> Date: Mon, 22 Apr 2013 01:34:05 -0700 From: kaveh minooie User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130402 Thunderbird/17.0.5 MIME-Version: 1.0 To: user@hadoop.apache.org Subject: common error in map tasks References: <000a01ce3d41$4c922da0$e5b688e0$@email.t-com.hr> <5171E2E6.6080606@plutoz.com> In-Reply-To: <5171E2E6.6080606@plutoz.com> Content-Type: multipart/alternative; boundary="------------050404000809070004070309" X-Virus-Checked: Checked by ClamAV on apache.org This is a multi-part message in MIME format. --------------050404000809070004070309 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit HI regardless of what job I run, there are always a few map tasks that fail with the following, very unhelpful, message: ( that is the entire error message) java.lang.Throwable: Child Error at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271) Caused by: java.io.IOException: Task process exit with nonzero status of 126. at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258) I would appreciate it if someone could show me how I could figure out why this error keeps happening. thanks, --------------050404000809070004070309 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit HI

regardless of what job I run, there are always a few map tasks that fail with the following, very unhelpful, message: ( that is the entire error message)

java.lang.Throwable: Child Error
	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:271)
Caused by: java.io.IOException: Task process exit with nonzero status of 126.
	at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:258)

I would appreciate it if someone could show me how I could figure out why this error keeps happening.

thanks,
--------------050404000809070004070309--