Savepoint deserialization fixup - The class is an inner class, but no…

…t statically accessible. (#7270)

* Savepoint deserialization fixup - The class 'pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject.TypedScalaMapSerializer$$anon$1' is not instantiable: The class is an inner class, but not statically accessible.

* Changelog entry added

docs/Changelog.md

@@ -24,6 +24,7 @@
 * [#7237](https://github.com/TouK/nussknacker/pull/7237) Fix: ToJsonEncoder keeps order fields during encoding map
 * [#7240](https://github.com/TouK/nussknacker/pull/7240) Fixed race condition problem during SpEL expression evaluation
 * [#7269](https://github.com/TouK/nussknacker/pull/7269) Fixed focus scrolling in expression editor
+* [#7270](https://github.com/TouK/nussknacker/pull/7270) Savepoint deserialization fixup - some taken savepoints (e.g. for scenarios with async enrichers) were not deserializable which led to errors during redeployments on Flink
 
 ### 1.18.0 (22 November 2024)
 

engine/flink/executor/src/main/scala/pl/touk/nussknacker/engine/process/typeinformation/TypingResultAwareTypeInformationDetection.scala

@@ -1,7 +1,6 @@
 package pl.touk.nussknacker.engine.process.typeinformation
 
 import org.apache.flink.api.common.typeinfo.{TypeInformation, Types}
-import org.apache.flink.api.common.typeutils.{CompositeTypeSerializerUtil, TypeSerializer, TypeSerializerSnapshot}
 import org.apache.flink.api.java.typeutils.{ListTypeInfo, MapTypeInfo, MultisetTypeInfo, RowTypeInfo}
 import org.apache.flink.types.Row
 import pl.touk.nussknacker.engine.api.context.ValidationContext
@@ -99,20 +98,10 @@ class TypingResultAwareTypeInformationDetection extends TypeInformationDetection
   }
 
   private def createScalaMapTypeInformation(typingResult: TypedObjectTypingResult) =
-    TypedScalaMapTypeInformation(typingResult.fields.mapValuesNow(forType), constructIntermediateCompatibilityResult)
+    TypedScalaMapTypeInformation(typingResult.fields.mapValuesNow(forType))
 
   private def createJavaMapTypeInformation(typingResult: TypedObjectTypingResult) =
-    TypedJavaMapTypeInformation(typingResult.fields.mapValuesNow(forType), constructIntermediateCompatibilityResult)
-
-  protected def constructIntermediateCompatibilityResult(
-      newNestedSerializers: Array[TypeSerializer[_]],
-      oldNestedSerializerSnapshots: Array[TypeSerializerSnapshot[_]]
-  ): CompositeTypeSerializerUtil.IntermediateCompatibilityResult[Nothing] = {
-    CompositeTypeSerializerUtil.constructIntermediateCompatibilityResult(
-      newNestedSerializers.map(_.snapshotConfiguration()),
-      oldNestedSerializerSnapshots
-    )
-  }
+    TypedJavaMapTypeInformation(typingResult.fields.mapValuesNow(forType))
 
   def forValueWithContext[T](
       validationContext: ValidationContext,

engine/flink/executor/src/main/scala/pl/touk/nussknacker/engine/process/typeinformation/internal/typedobject/TypedJavaMapBasedTypeInformation.scala

@@ -3,42 +3,36 @@ package pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject
 import java.{util => jutil}
 import org.apache.flink.api.common.typeinfo.TypeInformation
 import org.apache.flink.api.common.typeutils.{TypeSerializer, TypeSerializerSnapshot}
-import pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject.TypedObjectBasedTypeInformation.BuildIntermediateSchemaCompatibilityResult
 
 case class TypedJavaMapTypeInformation(
-    informations: Map[String, TypeInformation[_]],
-    buildIntermediateSchemaCompatibilityResultFunction: BuildIntermediateSchemaCompatibilityResult
+    informations: Map[String, TypeInformation[_]]
 ) extends TypedObjectBasedTypeInformation[jutil.Map[String, AnyRef]](informations) {
 
   override def createSerializer(
       serializers: Array[(String, TypeSerializer[_])]
   ): TypeSerializer[jutil.Map[String, AnyRef]] =
-    TypedJavaMapSerializer(serializers, buildIntermediateSchemaCompatibilityResultFunction)
+    TypedJavaMapSerializer(serializers)
 
 }
 
 @SerialVersionUID(1L)
 case class TypedJavaMapSerializer(
-    override val serializers: Array[(String, TypeSerializer[_])],
-    override val buildIntermediateSchemaCompatibilityResultFunction: BuildIntermediateSchemaCompatibilityResult
+    override val serializers: Array[(String, TypeSerializer[_])]
 ) extends TypedObjectBasedTypeSerializer[jutil.Map[String, AnyRef]](serializers)
     with BaseJavaMapBasedSerializer[AnyRef, jutil.Map[String, AnyRef]] {
 
   override def duplicate(serializers: Array[(String, TypeSerializer[_])]): TypeSerializer[jutil.Map[String, AnyRef]] =
-    TypedJavaMapSerializer(serializers, buildIntermediateSchemaCompatibilityResultFunction)
+    TypedJavaMapSerializer(serializers)
 
   override def createInstance(): jutil.Map[String, AnyRef] = new jutil.HashMap()
 
   override def snapshotConfiguration(
       snapshots: Array[(String, TypeSerializerSnapshot[_])]
-  ): TypeSerializerSnapshot[jutil.Map[String, AnyRef]] = new TypedJavaMapSerializerSnapshot(snapshots) {
-    override val buildIntermediateSchemaCompatibilityResult: BuildIntermediateSchemaCompatibilityResult =
-      buildIntermediateSchemaCompatibilityResultFunction
-  }
+  ): TypeSerializerSnapshot[jutil.Map[String, AnyRef]] = new TypedJavaMapSerializerSnapshot(snapshots)
 
 }
 
-abstract class TypedJavaMapSerializerSnapshot extends TypedObjectBasedSerializerSnapshot[jutil.Map[String, AnyRef]] {
+final class TypedJavaMapSerializerSnapshot extends TypedObjectBasedSerializerSnapshot[jutil.Map[String, AnyRef]] {
 
   def this(serializers: Array[(String, TypeSerializerSnapshot[_])]) = {
     this()
@@ -48,6 +42,6 @@ abstract class TypedJavaMapSerializerSnapshot extends TypedObjectBasedSerializer
   override protected def restoreSerializer(
       restored: Array[(String, TypeSerializer[_])]
   ): TypeSerializer[jutil.Map[String, AnyRef]] =
-    TypedJavaMapSerializer(restored, buildIntermediateSchemaCompatibilityResult)
+    TypedJavaMapSerializer(restored)
 
 }

engine/flink/executor/src/main/scala/pl/touk/nussknacker/engine/process/typeinformation/internal/typedobject/TypedObjectBasedTypeInformation.scala

@@ -4,14 +4,14 @@ import com.github.ghik.silencer.silent
 import com.typesafe.scalalogging.LazyLogging
 import org.apache.flink.api.common.ExecutionConfig
 import org.apache.flink.api.common.typeinfo.TypeInformation
+import org.apache.flink.api.common.typeutils.CompositeTypeSerializerUtil.IntermediateCompatibilityResult
 import org.apache.flink.api.common.typeutils.{
   CompositeTypeSerializerUtil,
   TypeSerializer,
   TypeSerializerSchemaCompatibility,
   TypeSerializerSnapshot
 }
 import org.apache.flink.core.memory.{DataInputView, DataOutputView}
-import pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject.TypedObjectBasedTypeInformation.BuildIntermediateSchemaCompatibilityResult
 
 import scala.reflect.ClassTag
 
@@ -57,15 +57,6 @@ abstract class TypedObjectBasedTypeInformation[T: ClassTag](informations: Array[
   def createSerializer(serializers: Array[(String, TypeSerializer[_])]): TypeSerializer[T]
 }
 
-object TypedObjectBasedTypeInformation {
-
-  type BuildIntermediateSchemaCompatibilityResult = (
-      Array[TypeSerializer[_]],
-      Array[TypeSerializerSnapshot[_]]
-  ) => CompositeTypeSerializerUtil.IntermediateCompatibilityResult[Nothing]
-
-}
-
 //We use Array instead of List here, as we need access by index, which is faster for array
 abstract class TypedObjectBasedTypeSerializer[T](val serializers: Array[(String, TypeSerializer[_])])
     extends TypeSerializer[T]
@@ -132,17 +123,13 @@ abstract class TypedObjectBasedTypeSerializer[T](val serializers: Array[(String,
 
   def duplicate(serializers: Array[(String, TypeSerializer[_])]): TypeSerializer[T]
 
-  def buildIntermediateSchemaCompatibilityResultFunction: BuildIntermediateSchemaCompatibilityResult
 }
 
 abstract class TypedObjectBasedSerializerSnapshot[T] extends TypeSerializerSnapshot[T] with LazyLogging {
 
-  protected var serializersSnapshots: Array[(String, TypeSerializerSnapshot[_])] = _
+  private val constructIntermediateCompatibilityResultMethodName = "constructIntermediateCompatibilityResult"
 
-  def this(serializers: Array[(String, TypeSerializerSnapshot[_])]) = {
-    this()
-    this.serializersSnapshots = serializers
-  }
+  protected var serializersSnapshots: Array[(String, TypeSerializerSnapshot[_])] = _
 
   override def getCurrentVersion: Int = 1
 
@@ -182,10 +169,10 @@ abstract class TypedObjectBasedSerializerSnapshot[T] extends TypeSerializerSnaps
       val newKeys              = newSerializers.map(_._1)
       val commons              = currentKeys.intersect(newKeys)
 
-      val newSerializersToUse = newSerializers.filter(k => commons.contains(k._1))
-      val snapshotsToUse      = serializersSnapshots.filter(k => commons.contains(k._1))
+      val newSerializersToUse: Array[(String, TypeSerializer[_])] = newSerializers.filter(k => commons.contains(k._1))
+      val snapshotsToUse = serializersSnapshots.filter(k => commons.contains(k._1))
 
-      val fieldsCompatibility = buildIntermediateSchemaCompatibilityResult(
+      val fieldsCompatibility = constructIntermediateCompatibilityResultProxied(
         newSerializersToUse.map(_._2),
         snapshotsToUse.map(_._2)
       )
@@ -237,7 +224,33 @@ abstract class TypedObjectBasedSerializerSnapshot[T] extends TypeSerializerSnaps
     }
   }
 
-  val buildIntermediateSchemaCompatibilityResult: BuildIntermediateSchemaCompatibilityResult
+  private def constructIntermediateCompatibilityResultProxied(
+      newNestedSerializers: Array[TypeSerializer[_]],
+      nestedSerializerSnapshots: Array[TypeSerializerSnapshot[_]]
+  ): IntermediateCompatibilityResult[_] = {
+    // signature of CompositeTypeSerializerUtil.constructIntermediateCompatibilityResult has been changed between flink 1.18/1.19
+    // Because of contract of serialization/deserialization of TypeSerializerSnapshot in can't be easily provided by TypeInformationDetection SPI mechanism
+    try {
+      val newMethod = classOf[CompositeTypeSerializerUtil].getMethod(
+        constructIntermediateCompatibilityResultMethodName,
+        classOf[Array[TypeSerializerSnapshot[_]]],
+        classOf[Array[TypeSerializerSnapshot[_]]]
+      )
+      newMethod
+        .invoke(null, newNestedSerializers.map(_.snapshotConfiguration()), nestedSerializerSnapshots)
+        .asInstanceOf[IntermediateCompatibilityResult[_]]
+    } catch {
+      case _: NoSuchMethodException =>
+        val oldMethod = classOf[CompositeTypeSerializerUtil].getMethod(
+          constructIntermediateCompatibilityResultMethodName,
+          classOf[Array[TypeSerializer[_]]],
+          classOf[Array[TypeSerializerSnapshot[_]]]
+        )
+        oldMethod
+          .invoke(null, newNestedSerializers, nestedSerializerSnapshots)
+          .asInstanceOf[IntermediateCompatibilityResult[_]]
+    }
+  }
 
   override def restoreSerializer(): TypeSerializer[T] = restoreSerializer(serializersSnapshots.map {
     case (k, snapshot) => (k, snapshot.restoreSerializer())

engine/flink/executor/src/main/scala/pl/touk/nussknacker/engine/process/typeinformation/internal/typedobject/TypedScalaMapBasedTypeInformation.scala

@@ -3,24 +3,21 @@ package pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject
 import com.typesafe.scalalogging.LazyLogging
 import org.apache.flink.api.common.typeinfo.TypeInformation
 import org.apache.flink.api.common.typeutils.{TypeSerializer, TypeSerializerSnapshot}
-import pl.touk.nussknacker.engine.process.typeinformation.internal.typedobject.TypedObjectBasedTypeInformation.BuildIntermediateSchemaCompatibilityResult
 
 case class TypedScalaMapTypeInformation(
-    informations: Map[String, TypeInformation[_]],
-    buildIntermediateSchemaCompatibilityResultFunction: BuildIntermediateSchemaCompatibilityResult
+    informations: Map[String, TypeInformation[_]]
 ) extends TypedObjectBasedTypeInformation[Map[String, _ <: AnyRef]](informations) {
 
   override def createSerializer(
       serializers: Array[(String, TypeSerializer[_])]
   ): TypeSerializer[Map[String, _ <: AnyRef]] =
-    TypedScalaMapSerializer(serializers, buildIntermediateSchemaCompatibilityResultFunction)
+    TypedScalaMapSerializer(serializers)
 
 }
 
 @SerialVersionUID(1L)
 case class TypedScalaMapSerializer(
-    override val serializers: Array[(String, TypeSerializer[_])],
-    override val buildIntermediateSchemaCompatibilityResultFunction: BuildIntermediateSchemaCompatibilityResult
+    override val serializers: Array[(String, TypeSerializer[_])]
 ) extends TypedObjectBasedTypeSerializer[Map[String, _ <: AnyRef]](serializers)
     with LazyLogging {
 
@@ -36,20 +33,17 @@ case class TypedScalaMapSerializer(
   override def get(value: Map[String, _ <: AnyRef], k: String): AnyRef = value.getOrElse(k, null)
 
   override def duplicate(serializers: Array[(String, TypeSerializer[_])]): TypeSerializer[Map[String, _ <: AnyRef]] =
-    TypedScalaMapSerializer(serializers, buildIntermediateSchemaCompatibilityResultFunction)
+    TypedScalaMapSerializer(serializers)
 
   override def createInstance(): Map[String, _ <: AnyRef] = Map.empty
 
   override def snapshotConfiguration(
       snapshots: Array[(String, TypeSerializerSnapshot[_])]
-  ): TypeSerializerSnapshot[Map[String, _ <: AnyRef]] = new TypedScalaMapSerializerSnapshot(snapshots) {
-    override val buildIntermediateSchemaCompatibilityResult: BuildIntermediateSchemaCompatibilityResult =
-      buildIntermediateSchemaCompatibilityResultFunction
-  }
+  ): TypeSerializerSnapshot[Map[String, _ <: AnyRef]] = new TypedScalaMapSerializerSnapshot(snapshots)
 
 }
 
-abstract class TypedScalaMapSerializerSnapshot extends TypedObjectBasedSerializerSnapshot[Map[String, _ <: AnyRef]] {
+final class TypedScalaMapSerializerSnapshot extends TypedObjectBasedSerializerSnapshot[Map[String, _ <: AnyRef]] {
 
   def this(serializers: Array[(String, TypeSerializerSnapshot[_])]) = {
     this()
@@ -59,6 +53,6 @@ abstract class TypedScalaMapSerializerSnapshot extends TypedObjectBasedSerialize
   override protected def restoreSerializer(
       restored: Array[(String, TypeSerializer[_])]
   ): TypeSerializer[Map[String, _ <: AnyRef]] =
-    TypedScalaMapSerializer(restored, buildIntermediateSchemaCompatibilityResult)
+    TypedScalaMapSerializer(restored)
 
 }

engine/flink/executor/src/test/scala/pl/touk/nussknacker/engine/process/typeinformation/TypingResultAwareTypeInformationDetectionSpec.scala

@@ -264,20 +264,17 @@ class TypingResultAwareTypeInformationDetectionSpec
   }
 
   private def assertNested(serializer: TypeSerializer[_], nested: (String, TypeSerializer[_] => Assertion)*): Unit = {
-    inside(serializer.asInstanceOf[TypeSerializer[Map[String, _ <: AnyRef]]]) {
-      case TypedScalaMapSerializer(array, _) =>
-        array.zipAll(nested.toList, null, null).foreach {
-          case ((name, serializer), (expectedName, expectedSerializer)) =>
-            name shouldBe expectedName
-            expectedSerializer(serializer)
-        }
+    inside(serializer.asInstanceOf[TypeSerializer[Map[String, _ <: AnyRef]]]) { case TypedScalaMapSerializer(array) =>
+      array.zipAll(nested.toList, null, null).foreach { case ((name, serializer), (expectedName, expectedSerializer)) =>
+        name shouldBe expectedName
+        expectedSerializer(serializer)
+      }
     }
   }
 
   private def assertMapSerializers(serializer: TypeSerializer[_], nested: (String, TypeSerializer[_])*) = {
-    inside(serializer.asInstanceOf[TypeSerializer[Map[String, _ <: AnyRef]]]) {
-      case TypedScalaMapSerializer(array, _) =>
-        array.toList shouldBe nested.toList
+    inside(serializer.asInstanceOf[TypeSerializer[Map[String, _ <: AnyRef]]]) { case TypedScalaMapSerializer(array) =>
+      array.toList shouldBe nested.toList
     }
   }