Github user bhlx3lyx7 commented on a diff in the pull request:
https://github.com/apache/incubator-griffin/pull/396#discussion_r210831681
--- Diff:
measure/src/main/scala/org/apache/griffin/measure/datasource/connector/DataConnector.scala
---
@@ -33,7 +33,7 @@ import org.apache.spark.sql.functions._
trait DataConnector extends Loggable with Serializable {
- @transient val sparkSession: SparkSession
+ val sparkSession: SparkSession
--- End diff --
SparkSession is Serializable, so it should works here.
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