Return-Path: 
 <hdfs-issues-return-4069-apmail-hadoop-hdfs-issues-archive=hadoop.apache.org@hadoop.apache.org>
Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org
Received: (qmail 2871 invoked from network); 10 Nov 2009 23:34:50 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3)
  by minotaur.apache.org with SMTP; 10 Nov 2009 23:34:50 -0000
Received: (qmail 7508 invoked by uid 500); 10 Nov 2009 23:34:50 -0000
Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org
Received: (qmail 7446 invoked by uid 500); 10 Nov 2009 23:34:50 -0000
Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:hdfs-issues-help@hadoop.apache.org>
List-Unsubscribe: <mailto:hdfs-issues-unsubscribe@hadoop.apache.org>
List-Post: <mailto:hdfs-issues@hadoop.apache.org>
List-Id: <hdfs-issues.hadoop.apache.org>
Reply-To: hdfs-issues@hadoop.apache.org
Delivered-To: mailing list hdfs-issues@hadoop.apache.org
Received: (qmail 7436 invoked by uid 99); 10 Nov 2009 23:34:50 -0000
Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Nov 2009 23:34:50 +0000
X-ASF-Spam-Status: No, hits=-10.5 required=5.0
	tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI
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; Tue, 10 Nov 2009 23:34:48 +0000
Received: from brutus (localhost [127.0.0.1])
	by brutus.apache.org (Postfix) with ESMTP id E97A4234C4A9
	for <hdfs-issues@hadoop.apache.org>; Tue, 10 Nov 2009 15:34:27 -0800 (PST)
Message-ID: <481531544.1257896067954.JavaMail.jira@brutus>
Date: Tue, 10 Nov 2009 23:34:27 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-762) Trying to start the balancer throws a
 NPE
In-Reply-To: <1322666250.1257893607946.JavaMail.jira@brutus>
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/HDFS-762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776170#action_12776170 ] 

Hadoop QA commented on HDFS-762:
--------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12424526/0001-corrected-balancer-constructor.patch
  against trunk revision 834377.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: http://hudson.zones.apache.org/hudson/job/Hdfs-Patch-h2.grid.sp2.yahoo.net/69/console

This message is automatically generated.

> Trying to start the balancer throws a NPE
> -----------------------------------------
>
>                 Key: HDFS-762
>                 URL: https://issues.apache.org/jira/browse/HDFS-762
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>            Reporter: Cristian Ivascu
>             Fix For: 0.21.0
>
>         Attachments: 0001-corrected-balancer-constructor.patch
>
>
> When trying to run the balancer, I get a NullPointerException:
> 2009-11-10 11:08:14,235 ERROR org.apache.hadoop.hdfs.server.balancer.Balancer: java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicy.getInstance(BlockPlacementPolicy.java:161)
>         at org.apache.hadoop.hdfs.server.balancer.Balancer.checkReplicationPolicyCompatibility(Balancer.java:784)
>         at org.apache.hadoop.hdfs.server.balancer.Balancer.<init>(Balancer.java:792)
>         at org.apache.hadoop.hdfs.server.balancer.Balancer.main(Balancer.java:814)
> This happens when trying to use bin/start-balancer or bin/hdfs balancer -threshold 10
> The config files (hdfs-site and core-site) have as fs.default.name hdfs://namenode:9000.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.