Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 261EB11F1A for ; Thu, 3 Jul 2014 11:35:25 +0000 (UTC) Received: (qmail 99338 invoked by uid 500); 3 Jul 2014 11:35:24 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 99293 invoked by uid 500); 3 Jul 2014 11:35:24 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 99279 invoked by uid 99); 3 Jul 2014 11:35:24 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Jul 2014 11:35:24 +0000 Date: Thu, 3 Jul 2014 11:35:24 +0000 (UTC) From: "Steve Loughran (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (HADOOP-10533) S3 input stream NPEs in MapReduce jon MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HADOOP-10533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Steve Loughran reassigned HADOOP-10533: --------------------------------------- Assignee: Steve Loughran > S3 input stream NPEs in MapReduce jon > ------------------------------------- > > Key: HADOOP-10533 > URL: https://issues.apache.org/jira/browse/HADOOP-10533 > Project: Hadoop Common > Issue Type: Bug > Components: fs/s3 > Affects Versions: 1.0.0, 1.0.3, 3.0.0, 2.4.0 > Environment: Hadoop with default configurations > Reporter: Benjamin Kim > Assignee: Steve Loughran > Priority: Minor > > I'm running a wordcount MR as follows > hadoop jar WordCount.jar wordcount.WordCountDriver s3n://bucket/wordcount/input s3n://bucket/wordcount/output > > s3n://bucket/wordcount/input is a s3 object that contains other input files. > However I get following NPE error > 12/10/02 18:56:23 INFO mapred.JobClient: map 0% reduce 0% > 12/10/02 18:56:54 INFO mapred.JobClient: map 50% reduce 0% > 12/10/02 18:56:56 INFO mapred.JobClient: Task Id : attempt_201210021853_0001_m_000001_0, Status : FAILED > java.lang.NullPointerException > at org.apache.hadoop.fs.s3native.NativeS3FileSystem$NativeS3FsInputStream.close(NativeS3FileSystem.java:106) > at java.io.BufferedInputStream.close(BufferedInputStream.java:451) > at java.io.FilterInputStream.close(FilterInputStream.java:155) > at org.apache.hadoop.util.LineReader.close(LineReader.java:83) > at org.apache.hadoop.mapreduce.lib.input.LineRecordReader.close(LineRecordReader.java:144) > at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.close(MapTask.java:497) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:765) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370) > at org.apache.hadoop.mapred.Child$4.run(Child.java:255) > 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:1121) > at org.apache.hadoop.mapred.Child.main(Child.java:249) > MR runs fine if i specify more specific input path such as s3n://bucket/wordcount/input/file.txt > MR fails if I pass s3 folder as a parameter > In summary, > This works > hadoop jar ./hadoop-examples-1.0.3.jar wordcount /user/hadoop/wordcount/input/ s3n://bucket/wordcount/output/ > This doesn't work > hadoop jar ./hadoop-examples-1.0.3.jar wordcount s3n://bucket/wordcount/input/ s3n://bucket/wordcount/output/ > (both input path are directories) -- This message was sent by Atlassian JIRA (v6.2#6252)