Not able to connect to hadoopp

Getting below exception while connecting to hadoop.

hadoop fs -get /data/SentimentFiles/SentimentFiles/upload/data/tweets_raw/FlumeData.1367523670393.gz

get: Call From cxln4.c.thelab-240901.internal/10.142.1.4 to cxln1.c.thelab-240901.internal:8020 failed on connection exception: java.net.ConnectException: Connectionrefused;

Hi, Ashish.

We have restarted the Namenode and I have rechecked it, Hadoop commands are working fine now.
May I know if still you are getting the same issue?
Kindly send the screenshots for the same.

All the best!

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