[YARN-4534] Remove the redundant symbol in yarn rmadmin help msg

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Hadoop Flags: Reviewed
• Assignee: Yiqun Lin
• Reporter: Yiqun Lin
• Created: 04/Jan/16 03:47
• Updated: 30/Aug/16 01:08
• Resolved: 14/Jan/16 05:01

Description

In rmadmin help, there is a redundant symbol ']' in -directlyAccessNodeLabelStore command. The msg is following:

bin/yarn rmadmin -help
rmadmin is the command to execute YARN administrative commands.
The full syntax is: 

yarn rmadmin [-refreshQueues] [-refreshNodes] [-refreshSuperUserGroupsConfiguration] [-refreshUserToGroupsMappings] [-refreshAdminAcls] [-refreshServiceAcl] [-getGroup [username]] [[-addToClusterNodeLabels [label1,label2,label3]] [-removeFromClusterNodeLabels [label1,label2,label3]] [-replaceLabelsOnNode [node1[:port]=label1,label2 node2[:port]=label1] [-directlyAccessNodeLabelStore]] [-help [cmd]]