@Sergey Sheypak I think the issue is in this line: with serdeproperties ('serialization.class'='com.my.ContainerProto') You are trying to create a table with external SerDe class specified which is resulting in class not found error. The way to go around this is to add any external class that you are using in code in dependencies list in Spark interpreter follow steps here to do this : https://zeppelin.apache.org/docs/latest/manual/dependencymanagement.html Once you do this, restart the interpreter and try to run query with %spark.sql Hope this helps !! For more background and information, read through these https://mail-archives.apache.org/mod_mbox/incubator-zeppelin-users/201601.mbox/%3CCACcq8R74eTEhKu_j7nMyUvvGmrEt55iYAocXw2UwSh+gvAH1xw@mail.gmail.com%3E https://issues.apache.org/jira/browse/ZEPPELIN-648 (This is resolved now) https://issues.apache.org/jira/browse/ZEPPELIN-381 (This is resolved now too)
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