sanjay gupta created HADOOP-11297: ------------------------------------- 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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)