CaseClassSerializer additional logging

TouK · Oct 24, 2024 · 9113cbe · 9113cbe
1 parent 2b3f1c1
commit 9113cbe
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Showing 3 changed files with 29 additions and 7 deletions.
diff --git a/build.sbt b/build.sbt
@@ -1181,10 +1181,11 @@ lazy val flinkScalaUtils = (project in flink("scala-utils"))
     name := "nussknacker-flink-scala-utils",
     libraryDependencies ++= {
       Seq(
-        "org.scala-lang"          % "scala-reflect"           % scalaVersion.value,
-        "org.apache.flink"        % "flink-streaming-java"    % flinkV     % Provided,
-        "org.scala-lang.modules" %% "scala-collection-compat" % scalaCollectionsCompatV,
-        "org.scalatest"          %% "scalatest"               % scalaTestV % Test,
+        "org.scala-lang"              % "scala-reflect"           % scalaVersion.value,
+        "org.apache.flink"            % "flink-streaming-java"    % flinkV        % Provided,
+        "com.typesafe.scala-logging" %% "scala-logging"           % scalaLoggingV % Provided,
+        "org.scala-lang.modules"     %% "scala-collection-compat" % scalaCollectionsCompatV,
+        "org.scalatest"              %% "scalatest"               % scalaTestV    % Test,
       ) ++ flinkLibScalaDeps(scalaVersion.value, Some("provided"))
     }
   )

diff --git a/...n/scala/pl/touk/nussknacker/engine/flink/api/typeinfo/caseclass/CaseClassSerializer.scala b/...n/scala/pl/touk/nussknacker/engine/flink/api/typeinfo/caseclass/CaseClassSerializer.scala
@@ -23,6 +23,8 @@ import org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase
 import org.apache.flink.core.memory.{DataInputView, DataOutputView}
 import org.apache.flink.types.NullFieldException
 
+import scala.util.{Failure, Success, Try}
+
 /**
  * Serializer for Case Classes. Creation and access is different from our Java Tuples so we have to
  * treat them differently.
@@ -122,7 +124,12 @@ abstract class CaseClassSerializer[T <: Product](clazz: Class[T], scalaFieldSeri
       fields(i) = fieldSerializers(i).deserialize(source)
       i += 1
     }
-    createInstance(fields)
+
+    Try(createInstance(fields)) match {
+      case Success(value) => value
+      case Failure(exc) =>
+        throw new IllegalArgumentException(s"Failed to deserialize in class: ${clazz.getName}.", exc)
+    }
   }
 
   private def initArray() = {

diff --git a/...la/pl/touk/nussknacker/engine/flink/api/typeinfo/caseclass/ScalaCaseClassSerializer.scala b/...la/pl/touk/nussknacker/engine/flink/api/typeinfo/caseclass/ScalaCaseClassSerializer.scala
@@ -17,11 +17,13 @@
  */
 package pl.touk.nussknacker.engine.flink.api.typeinfo.caseclass
 
+import com.typesafe.scalalogging.LazyLogging
 import org.apache.flink.api.common.typeutils._
 import pl.touk.nussknacker.engine.flink.api.typeinfo.caseclass.ScalaCaseClassSerializer.lookupConstructor
 
 import java.io.{ObjectInputStream, ObjectStreamClass}
 import scala.reflect.runtime.universe
+import scala.util.{Failure, Success, Try}
 
 /**
  * This is a non macro-generated, concrete Scala case class serializer.
@@ -57,7 +59,7 @@ class ScalaCaseClassSerializer[T <: Product](
 
 }
 
-object ScalaCaseClassSerializer {
+object ScalaCaseClassSerializer extends LazyLogging {
 
   def lookupConstructor[T](cls: Class[T]): Array[AnyRef] => T = {
     val rootMirror  = universe.runtimeMirror(cls.getClassLoader)
@@ -87,7 +89,19 @@ object ScalaCaseClassSerializer {
     val constructorMethodMirror = classMirror.reflectConstructor(primaryConstructorSymbol)
 
     arr: Array[AnyRef] => {
-      constructorMethodMirror.apply(arr.toIndexedSeq: _*).asInstanceOf[T]
+      Try(constructorMethodMirror.apply(arr.toIndexedSeq: _*).asInstanceOf[T]) match {
+        case Success(value) => value
+        case Failure(exc) =>
+          logger.warn(
+            s"Casting info, " +
+              s"class: ${cls.getName}," +
+              s"constructorMethodMirror: ${constructorMethodMirror.getClass.getName}" +
+              s"arr: ${arr.mkString("Array(", ", ", ")")}" +
+              s"class symbol: ${classSymbol.getClass.getName}"
+          )
+
+          throw exc
+      }
     }
   }