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https://issues.apache.org/jira/browse/HADOOP-11297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haohui Mai resolved HADOOP-11297.
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Resolution: Invalid
> how to get all the details of live node and dead node using hadoop api in java
> ------------------------------------------------------------------------------
>
> Key: HADOOP-11297
> URL: https://issues.apache.org/jira/browse/HADOOP-11297
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: sanjay gupta
>
> Hi all,
> I am trying to do my cluster discovery its just my learinig phase.
> But i want to get same details as we get using http port like 50070 etc.
> so i am trying to use FSNamesystem class as shown below :
> FSNamesystem f = FSNamesystem.getFSNamesystem();
> with this f obj i want call respective methods to get my cluster details buts
> this object f is returing null
> can any one help in this ??
> Also i want to use JSP Helper class in namenode pkg that also showing null
> pointer exception i have tried as shown below :
> JspHelper j= new JspHelper();
> but nothing is working i m stuck to get details abt live node and dead node
> running cluster of hadoop 1.2
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