Revert "rm Jackson Scala module"

This reverts commit d7b4c56.

Author: rashtao

arangodb-spark-commons/src/main/scala/org/apache/spark/sql/arangodb/commons/ArangoClient.scala

@@ -8,6 +8,8 @@ import com.arangodb.model.{AqlQueryOptions, CollectionCreateOptions}
 import com.arangodb.velocypack.VPackSlice
 import com.arangodb.velocystream.{Request, RequestType}
 import com.arangodb.{ArangoCursor, ArangoDB, ArangoDBException}
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.scala.DefaultScalaModule
 import org.apache.spark.internal.Logging
 import org.apache.spark.sql.arangodb.commons.exceptions.ArangoDBMultiException
 import org.apache.spark.sql.arangodb.commons.filter.PushableFilter
@@ -30,7 +32,12 @@ class ArangoClient(options: ArangoDBConf) extends Logging {
 
   lazy val arangoDB: ArangoDB = options.driverOptions
     .builder()
-    .serializer(new ArangoJack())
+    .serializer(new ArangoJack() {
+      //noinspection ConvertExpressionToSAM
+      configure(new ArangoJack.ConfigureFunction {
+        override def configure(mapper: ObjectMapper): Unit = mapper.registerModule(DefaultScalaModule)
+      })
+    })
     .build()
 
   def shutdown(): Unit = {