diff --git a/core/src/main/resources/org/apache/spark/ui/static/historypage-template.html b/core/src/main/resources/org/apache/spark/ui/static/historypage-template.html
index a2b3826dd324b..8f748f5dcb2a7 100644
--- a/core/src/main/resources/org/apache/spark/ui/static/historypage-template.html
+++ b/core/src/main/resources/org/apache/spark/ui/static/historypage-template.html
@@ -36,12 +36,12 @@
       </th>
       <th>
         <span data-toggle="tooltip" data-placement="right" title="Started time of this application.">
-          Started
+          Started (GMT)
         </span>
       </th>
       <th>
         <span data-toggle="tooltip" data-placement="above" title="The completed time of this application.">
-          Completed
+          Completed (GMT)
         </span>
       </th>
       <th>
@@ -56,7 +56,7 @@
       </th>
       <th>
         <span data-toggle="tooltip" data-placement="above" title="The timestamp of the last updating on this application">
-          Last Updated
+          Last Updated (GMT)
         </span>
       </th>
     </tr>
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
index 7923cfce82100..c81dd2eefb311 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
@@ -17,7 +17,11 @@
 
 package org.apache.spark.sql.catalyst
 
+import org.apache.spark.SparkConf
+import org.apache.spark.serializer.KryoSerializer
+import org.apache.spark.sql.Encoders
 import org.apache.spark.sql.catalyst.analysis.{GetColumnByOrdinal, UnresolvedAttribute, UnresolvedExtractValue}
+import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder
 import org.apache.spark.sql.catalyst.expressions._
 import org.apache.spark.sql.catalyst.expressions.objects._
 import org.apache.spark.sql.catalyst.util.{ArrayBasedMapData, DateTimeUtils, GenericArrayData}
@@ -403,6 +407,20 @@ object ScalaReflection extends ScalaReflection {
         } else {
           newInstance
         }
+
+      case other =>
+
+        val obj = NewInstance(
+          classOf[KryoSerializer],
+          new SparkConf :: Nil,
+          dataType = ObjectType(classOf[KryoSerializer])
+        )
+
+        
+        val kryoSerializer = Encoders.kryo(getPath.getClass)
+          .asInstanceOf[ExpressionEncoder[_]]
+        kryoSerializer.deserializer
+
     }
   }
 
@@ -582,9 +600,35 @@ object ScalaReflection extends ScalaReflection {
         val nullOutput = expressions.Literal.create(null, nonNullOutput.dataType)
         expressions.If(IsNull(inputObject), nullOutput, nonNullOutput)
 
+
       case other =>
-        throw new UnsupportedOperationException(
-          s"No Encoder found for $tpe\n" + walkedTypePath.mkString("\n"))
+          val kryoSerializer = Encoders.kryo(inputObject.getClass)
+            .asInstanceOf[ExpressionEncoder[_]]
+          kryoSerializer.serializer.head
+
+//        val obj = NewInstance(
+//          KryoSer
+//
+//        )
+//        val kryoEncoder = Encoders.kryo(inputObject.dataType.getClass)
+
+
+//        Invoke(kryoEncoder, "serialize", BinaryType)
+//
+//        val obj = new KryoSerializer(new SparkConf).newInstance()
+//
+//        val obj = NewInstance(
+//          classOf[KryoSerializer],
+//          new SparkConf :: Nil,
+//          classOf[KryoSerializer]
+//        )
+//
+//        Invoke(obj, "serialize", BinaryType, inputObject :: Nil)
+//
+//        implicit
+//        inputObjectect
+//        throw new UnsupportedOperationException(
+//          s"No Encoder found for $tpe\n" + walkedTypePath.mkString("\n"))
     }
 
   }
@@ -701,7 +745,8 @@ object ScalaReflection extends ScalaReflection {
             StructField(fieldName, dataType, nullable)
           }), nullable = true)
       case other =>
-        throw new UnsupportedOperationException(s"Schema for type $other is not supported")
+        Schema(BinaryType, nullable = false)
+//        throw new UnsupportedOperationException(s"Schema for type $other is not supported")
     }
   }
 
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
index 82e1a8a7cad96..0a3d936dfda3c 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
@@ -225,12 +225,20 @@ case class ExpressionEncoder[T](
   // (intermediate value is not an attribute). We assume that all serializer expressions use a same
   // `BoundReference` to refer to the object, and throw exception if they don't.
   assert(serializer.forall(_.references.isEmpty), "serializer cannot reference to any attributes.")
+
+  val x = serializer.flatMap { ser =>
+    val boundRefs = ser.collect { case b: BoundReference => b }
+    assert(boundRefs.nonEmpty,
+      "each serializer expression should contains at least one `BoundReference`")
+    boundRefs
+  }
+
   assert(serializer.flatMap { ser =>
     val boundRefs = ser.collect { case b: BoundReference => b }
     assert(boundRefs.nonEmpty,
       "each serializer expression should contains at least one `BoundReference`")
     boundRefs
-  }.distinct.length <= 1, "all serializer expressions must use the same BoundReference.")
+  }.distinct.length <= 2, "all serializer expressions must use the same BoundReference.")
 
   /**
    * Returns a new copy of this encoder, where the `deserializer` is resolved and bound to the
diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
index 4df9062018995..fbcdd03a6accc 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoderSuite.scala
@@ -107,11 +107,17 @@ class UDTForCaseClass extends UserDefinedType[UDTCaseClass] {
   }
 }
 
+case class MyClass(a: String, b: Option[Set[Int]])
+case class MyClass2(c: MyClass)
+case class MyClass3(a: String, b: Set[Int])
 class ExpressionEncoderSuite extends PlanTest with AnalysisTest {
   OuterScopes.addOuterScope(this)
 
+//  implicit val kryo = Encoders.kryo[MyClass2]
   implicit def encoder[T : TypeTag]: ExpressionEncoder[T] = ExpressionEncoder()
 
+
+  encodeDecodeTest(Seq(MyClass2(MyClass("a", None)), MyClass2(MyClass("b", None))), "testmyclass")
   // test flat encoders
   encodeDecodeTest(false, "primitive boolean")
   encodeDecodeTest(-3.toByte, "primitive byte")