[HADOOP-11650] configuration file generates syntax error on Ubuntu14.10 with bash 4.3

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Invalid
• Affects Version/s: 2.6.0
• Component/s: scripts

Environment

hadoop: 2.6.0
OS: Linux version 3.16.0-31-generic (buildd@batsu) (gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6) )
bash:GNU bash, version 4.3.30(1)-release (x86_64-pc-linux-gnu)

• Tags: syntax error bash
• Assignee: Jean-Pierre Matsumoto
• Reporter: Tomorrow
• Due: 28/Feb/15
• Created: 28/Feb/15 09:54
• Updated: 02/Apr/15 22:01
• Resolved: 02/Apr/15 22:01

Description

hadoop configuration file : /path/to/hadoop/libexec/hadoop-config.sh
line:99
if [[ ( "$HADOOP_SLAVES" != '' ) && ( "$HADOOP_SLAVE_NAMES" != '' ) ]] ; then

On system ubuntu 14.10 (Linux version 3.16.0-31-generic & Bash version 4.3.s) , this'll generate a syntax error :

hadoop-config.sh: 99: hadoop-config.sh: Syntax error: word unexpected (expecting ")")