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Date: Thu, 26 Aug 2010 05:04:55 -0400 (EDT)
From: "Simone Leo (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Resolved: (HADOOP-6388) Hadoop uses invalid names for
 environment variables
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     [ https://issues.apache.org/jira/browse/HADOOP-6388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simone Leo resolved HADOOP-6388.
--------------------------------

    Resolution: Not A Problem

The old behavior has been restored in bash 4.1. Just Stay away from bash 4.0 and you'll be fine :)

> Hadoop uses invalid names for environment variables
> ---------------------------------------------------
>
>                 Key: HADOOP-6388
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6388
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Simone Leo
>
> Variable names cannot contain dots and this is enforced starting from bash 4.0, see [http://www.mail-archive.com/bug-bash@gnu.org/msg05726.html].
> An example of Hadoop functionality that breaks after upgrading to bash 4.0 is running Pipes applications: the "hadoop.pipes.command.port" var is not passed and applications crash with "Hadoop Pipes Exception: Illegal text protocol command".

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