[HDFS-7324] haadmin command usage prints incorrect command name

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 2.5.1
• Component/s: ha, tools
• Hadoop Flags: Reviewed
• Assignee: Brahma Reddy Battula
• Reporter: Brahma Reddy Battula
• Created: 03/Nov/14 07:01
• Updated: 08/Apr/15 23:05
• Resolved: 08/Apr/15 23:05

Description

Scenario:
=======
Try the help command for hadadmin like following..
Here usage is coming as "DFSHAAdmin -ns", Ideally this not availble which we can check following command.

[root@linux156 bin]# ./hdfs haadmin
No GC_PROFILE is given. Defaults to medium.
Usage: DFSHAAdmin [-ns <nameserviceId>]
[-transitionToActive <serviceId> [--forceactive]]
[-transitionToStandby <serviceId>]
[-failover [--forcefence] [--forceactive] <serviceId> <serviceId>]
[-getServiceState <serviceId>]
[-checkHealth <serviceId>]
[-help <command>]

Generic options supported are
-conf <configuration file> specify an application configuration file
-D <property=value> use value for given property
-fs <local|namenode:port> specify a namenode
-jt <local|jobtracker:port> specify a job tracker
-files <comma separated list of files> specify comma separated files to be copied to the map reduce cluster
-libjars <comma separated list of jars> specify comma separated jar files to include in the classpath.
-archives <comma separated list of archives> specify comma separated archives to be unarchived on the compute machines.

The general command line syntax is
bin/hadoop command [genericOptions] [commandOptions]

[root@linux156 bin]# ./hdfs DFSHAAdmin -ns 100
Error: Could not find or load main class DFSHAAdmin

Issue Links

• relates to: HDFS-7804 haadmin command usage #HDFSHighAvailabilityWithQJM.html
• relates to: HDFS-8067 haadmin prints out stale help messages