[
https://issues.apache.org/jira/browse/HDFS-14712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wangzhaohui resolved HDFS-14712.
--------------------------------
Resolution: Duplicate
> RBF: routeradmin support refreshRouterArgs command but it not on display
> ------------------------------------------------------------------------
>
> Key: HDFS-14712
> URL: https://issues.apache.org/jira/browse/HDFS-14712
> Project: Hadoop HDFS
> Issue Type: Task
> Reporter: wangzhaohui
> Assignee: wangzhaohui
> Priority: Major
>
> {color:#cc7832}When the CMD command is null, the refreshRouterArgs command is
> not displayed，because there is one missing value in the String[] commands
> {color}
> {color:#cc7832}private {color}String {color:#ffc66d}getUsage{color}(String
> cmd) {
> {color:#cc7832}if {color}(cmd == {color:#cc7832}null{color}) {
> String[] commands =
> {{color:#6a8759}"-add"{color}{color:#cc7832},
> {color}{color:#6a8759}"-update"{color}{color:#cc7832},
> {color}{color:#6a8759}"-rm"{color}{color:#cc7832},
> {color}{color:#6a8759}"-ls"{color}{color:#cc7832},
> {color}{color:#6a8759}"-getDestination"{color}{color:#cc7832},
> {color} {color:#6a8759}"-setQuota"{color}{color:#cc7832},
> {color}{color:#6a8759}"-clrQuota"{color}{color:#cc7832},
> {color} {color:#6a8759}"-safemode"{color}{color:#cc7832},
> {color}{color:#6a8759}"-nameservice"{color}{color:#cc7832},
> {color}{color:#6a8759}"-getDisabledNameservices"{color}{color:#cc7832},
> {color} {color:#6a8759}"-refresh"{color}}{color:#cc7832};
> {color} StringBuilder usage = {color:#cc7832}new
> {color}StringBuilder(){color:#cc7832};
> {color} usage.append({color:#6a8759}"Usage: hdfs dfsrouteradmin
> :{color}{color:#cc7832}\n{color}{color:#6a8759}"{color}){color:#cc7832};
> {color}{color:#cc7832} for {color}({color:#cc7832}int {color}i =
> {color:#6897bb}0{color}{color:#cc7832}; {color}i <
> commands.{color:#9876aa}length{color}{color:#cc7832}; {color}i++) {
> usage.append(getUsage(commands[i])){color:#cc7832};
> {color}{color:#cc7832} if {color}(i + {color:#6897bb}1 {color}<
> commands.{color:#9876aa}length{color}) {
>
> usage.append({color:#6a8759}"{color}{color:#cc7832}\n{color}{color:#6a8759}"{color}){color:#cc7832};
> {color} }
> {color:#cc7832}...
> {color} }
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