Github user prabhjyotsingh commented on the issue:
https://github.com/apache/zeppelin/pull/1157
I think I have seen this error before
```
org.apache.hadoop.hbase.MasterNotRunningException:
com.google.protobuf.ServiceException:
org.apache.hadoop.hbase.exceptions.ConnectionClosingException
```
This is usually because of either phoenix or hbase version; try taking
phoenix-\*-4.6.0-* and/or hbase-client-1.1.
I would recommend instead of all of these
```
/opt/cloudera/CDH/jars/phoenix-core-4.7.0-cdh5.5.1.jar
/opt/cloudera/CDH/jars/hbase-common-1.0.0-cdh5.5.2.jar
/opt/cloudera/CDH/jars/hbase-client-1.0.0-cdh5.5.2.jar
/opt/cloudera/CDH/jars/phoenix-4.7.0-cdh5.5.1-client.jar
```
try `org.apache.phoenix:phoenix-core:4.5.0-HBase-1.1` or
`org.apache.phoenix:phoenix-core:4.6.0-HBase-1.1` in dependencies, for testing,
and once it works you may go back to respective cdh jars.
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