Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 69509 invoked from network); 15 Jun 2010 19:43:33 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 15 Jun 2010 19:43:33 -0000 Received: (qmail 14097 invoked by uid 500); 15 Jun 2010 19:43:31 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 14032 invoked by uid 500); 15 Jun 2010 19:43:30 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 14024 invoked by uid 99); 15 Jun 2010 19:43:30 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Jun 2010 19:43:30 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [129.194.7.203] (HELO mmp3.unige.ch) (129.194.7.203) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Jun 2010 19:43:21 +0000 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII; format=flowed; delsp=yes Received: from [192.168.1.43] (207-86.77-83.cust.bluewin.ch [83.77.86.207]) by mmp3.unige.ch (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with ESMTPA id <0L42008M4MQUOBA0@mmp3.unige.ch> for common-user@hadoop.apache.org; Tue, 15 Jun 2010 21:43:00 +0200 (MEST) Message-id: <51D4EE25-C42B-4CF8-9E54-FEBAEF6154BF@unige.ch> From: Asif Jan To: common-user@hadoop.apache.org Subject: exception related to logging (using latest sources) Date: Tue, 15 Jun 2010 21:42:30 +0200 X-Mailer: Apple Mail (2.936) X-Virus-Checked: Checked by ClamAV on apache.org Hi I am getting following exception when running map-reduce jobs. java.lang.NullPointerException at org.apache.hadoop.mapred.TaskLogAppender.flush(TaskLogAppender.java:69) at org.apache.hadoop.mapred.TaskLog.syncLogs(TaskLog.java:222) at org.apache.hadoop.mapred.Child$4.run(Child.java:219) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org .apache .hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java: 813) at org.apache.hadoop.mapred.Child.main(Child.java:211) I am using latest sources (0.22.0-snapshot) that I have built myself. any ideas? thanks