ClassNotFoundException: org.apache.zeppelin.spark.ZeppelinContext when using input value inside spark DataFrame's filter method.

Hi guys, I'm having a trouble for two days already, and could not find any solutions on google, Zeppelin docs, Jira or anywhere. I'm getting ClassNotFoundException: org.apache.zeppelin.spark.ZeppelinContext when using input value inside spark DataFrame's filter method. val city = z.selec

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Hi guys, I'm having a trouble for two days already, and could not find any solutions on google, Zeppelin docs, Jira or anywhere. I'm getting ClassNotFoundException: org.apache.zeppelin.spark.ZeppelinContext when using input value inside spark DataFrame's filter method. val city = z.selec