sanjay gupta created HADOOP-11297:
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Summary: 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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