Apache Zeppelin Connection refused: connect -


i trying visualize dataset spark in zeppelin. hello world zeppelin throwing java.net.connectexception: connection refused: connect error.

i have correctly set spark_home spark home in zeppelin-env.cmd using windows 10.

here screenshot of spark interpreter in zeppelin gui.

enter image description here

here on output.

enter image description here

thanks.

i new here in case of error. run paragraph , go logs folder. list files in reverse order of modified ( ls -lrt : shell command). have list of logs in order modified. check latest edited log files .

one of possible reasons can checkpoint exception in secondary namenode. this, stop dfs, delete /tmp/hadoop-user/ directory content , hadoop-namenode-directory , hadoop-datanode-directory , format namenode using command

/path-to-hadoop/bin/hadoop fs namenode -format

now restart setup. works me have log files detect exact reason why happening.


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