Hadoop uses invalid names for environment variables
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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-b...@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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