JonasJ-ap commented on code in PR #5939:
URL: https://github.com/apache/iceberg/pull/5939#discussion_r991864782


##########
aws/src/test/java/org/apache/iceberg/aws/TestAwsClientFactories.java:
##########
@@ -71,6 +73,53 @@ public void testS3FileIoCredentialsVerification() {
         () -> AwsClientFactories.from(properties));
   }
 
+  @Test
+  public void testDefaultAwsClientFactorySerializable() {
+    Map<String, String> properties = Maps.newHashMap();
+    AwsClientFactory defaultAwsClientFactory = 
AwsClientFactories.from(properties);
+    byte[] serializedFactoryBytes = 
SerializationUtil.serializeToBytes(defaultAwsClientFactory);
+    AwsClientFactory deserializedClientFactory =
+        SerializationUtil.deserializeFromBytes(serializedFactoryBytes);
+    Assert.assertTrue(
+        "DefaultAwsClientFactory should be serializable",
+        deserializedClientFactory instanceof 
AwsClientFactories.DefaultAwsClientFactory);
+  }
+
+  @Test
+  public void testAssumeRoleAwsClientFactorySerializable() {
+    Map<String, String> properties = Maps.newHashMap();
+    properties.put(AwsProperties.CLIENT_FACTORY, 
AssumeRoleAwsClientFactory.class.getName());
+    properties.put(AwsProperties.CLIENT_ASSUME_ROLE_ARN, "arn::test");
+    properties.put(AwsProperties.CLIENT_ASSUME_ROLE_REGION, "us-east-1");
+    AwsClientFactory assumeRoleAwsClientFactory = 
AwsClientFactories.from(properties);
+    byte[] serializedFactoryBytes = 
SerializationUtil.serializeToBytes(assumeRoleAwsClientFactory);
+    AwsClientFactory deserializedClientFactory =
+        SerializationUtil.deserializeFromBytes(serializedFactoryBytes);
+    Assert.assertTrue(
+        "AssumeRoleAwsClientFactory should be serializable",
+        deserializedClientFactory instanceof AssumeRoleAwsClientFactory);
+  }
+
+  @Test
+  public void testLakeFormationAwsClientFactorySerializable() {

Review Comment:
   
   > Can you plz add the complete stacktrace you see in Spark Serialization 
failure with java serializer
   
   Here is the stacktrace that I copied from AWS Glue Job's Error Log:
   ```
   2022-10-09 01:56:21,890 ERROR [main] glue.ProcessLauncher 
(Logging.scala:logError(94)): Exception in User Class
   java.io.NotSerializableException: 
software.amazon.awssdk.services.sts.model.AssumeRoleRequest
   Serialization stack:
        - object not serializable (class: 
software.amazon.awssdk.services.sts.model.AssumeRoleRequest, value: 
AssumeRoleRequest(RoleArn=arn:aws:iam::481640105715:role/jonasjiang_gluejob2, 
RoleSessionName=iceberg-aws-d9c0fac0-e938-4867-b8e3-f7f160f11a82, 
DurationSeconds=3600, Tags=[]))
        - field (class: org.apache.iceberg.aws.AssumeRoleAwsClientFactory, 
name: assumeRoleRequest, type: class 
software.amazon.awssdk.services.sts.model.AssumeRoleRequest)
        - object (class org.apache.iceberg.aws.AssumeRoleAwsClientFactory, 
org.apache.iceberg.aws.AssumeRoleAwsClientFactory@5a07088b)
        - element of array (index: 0)
        - array (class [Ljava.lang.Object;, size 1)
        - field (class: java.lang.invoke.SerializedLambda, name: capturedArgs, 
type: class [Ljava.lang.Object;)
        - object (class java.lang.invoke.SerializedLambda, 
SerializedLambda[capturingClass=class org.apache.iceberg.aws.s3.S3FileIO, 
functionalInterfaceMethod=org/apache/iceberg/util/SerializableSupplier.get:()Ljava/lang/Object;,
 implementation=invokeInterface 
org/apache/iceberg/aws/AwsClientFactory.s3:()Lsoftware/amazon/awssdk/services/s3/S3Client;,
 instantiatedMethodType=()Lsoftware/amazon/awssdk/services/s3/S3Client;, 
numCaptured=1])
        - writeReplace data (class: java.lang.invoke.SerializedLambda)
        - object (class 
org.apache.iceberg.aws.s3.S3FileIO$$Lambda$1017/1010480754, 
org.apache.iceberg.aws.s3.S3FileIO$$Lambda$1017/1010480754@11885841)
        - field (class: org.apache.iceberg.aws.s3.S3FileIO, name: s3, type: 
interface org.apache.iceberg.util.SerializableSupplier)
        - object (class org.apache.iceberg.aws.s3.S3FileIO, 
org.apache.iceberg.aws.s3.S3FileIO@64236be)
        - field (class: org.apache.iceberg.SerializableTable, name: io, type: 
interface org.apache.iceberg.io.FileIO)
        - object (class 
org.apache.iceberg.spark.source.SerializableTableWithSize, 
org.apache.iceberg.spark.source.SerializableTableWithSize@28d07fa4)
        at 
org.apache.spark.serializer.SerializationDebugger$.improveException(SerializationDebugger.scala:41)
        at 
org.apache.spark.serializer.JavaSerializationStream.writeObject(JavaSerializer.scala:47)
        at 
org.apache.spark.broadcast.TorrentBroadcast$.$anonfun$blockifyObject$4(TorrentBroadcast.scala:319)
        at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
        at 
org.apache.spark.broadcast.TorrentBroadcast$.blockifyObject(TorrentBroadcast.scala:321)
        at 
org.apache.spark.broadcast.TorrentBroadcast.writeBlocks(TorrentBroadcast.scala:138)
        at 
org.apache.spark.broadcast.TorrentBroadcast.<init>(TorrentBroadcast.scala:91)
        at 
org.apache.spark.broadcast.TorrentBroadcastFactory.newBroadcast(TorrentBroadcastFactory.scala:35)
        at 
org.apache.spark.broadcast.BroadcastManager.newBroadcast(BroadcastManager.scala:77)
        at org.apache.spark.SparkContext.broadcast(SparkContext.scala:1545)
        at 
org.apache.spark.api.java.JavaSparkContext.broadcast(JavaSparkContext.scala:546)
        at 
org.apache.iceberg.spark.source.SparkWrite.createWriterFactory(SparkWrite.java:164)
        at 
org.apache.iceberg.spark.source.SparkWrite.access$700(SparkWrite.java:92)
        at 
org.apache.iceberg.spark.source.SparkWrite$BaseBatchWrite.createBatchWriterFactory(SparkWrite.java:241)
        at 
org.apache.spark.sql.execution.datasources.v2.V2TableWriteExec.writeWithV2(WriteToDataSourceV2Exec.scala:348)
        at 
org.apache.spark.sql.execution.datasources.v2.V2TableWriteExec.writeWithV2$(WriteToDataSourceV2Exec.scala:336)
        at 
org.apache.spark.sql.execution.datasources.v2.AtomicReplaceTableAsSelectExec.writeWithV2(WriteToDataSourceV2Exec.scala:178)
        at 
org.apache.spark.sql.execution.datasources.v2.TableWriteExecHelper.$anonfun$writeToTable$1(WriteToDataSourceV2Exec.scala:476)
        at 
org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1473)
        at 
org.apache.spark.sql.execution.datasources.v2.TableWriteExecHelper.writeToTable(WriteToDataSourceV2Exec.scala:465)
        at 
org.apache.spark.sql.execution.datasources.v2.TableWriteExecHelper.writeToTable$(WriteToDataSourceV2Exec.scala:460)
        at 
org.apache.spark.sql.execution.datasources.v2.AtomicReplaceTableAsSelectExec.writeToTable(WriteToDataSourceV2Exec.scala:178)
        at 
org.apache.spark.sql.execution.datasources.v2.AtomicReplaceTableAsSelectExec.run(WriteToDataSourceV2Exec.scala:209)
        at 
org.apache.spark.sql.execution.datasources.v2.V2CommandExec.result$lzycompute(V2CommandExec.scala:40)
        at 
org.apache.spark.sql.execution.datasources.v2.V2CommandExec.result(V2CommandExec.scala:40)
        at 
org.apache.spark.sql.execution.datasources.v2.V2CommandExec.doExecute(V2CommandExec.scala:55)
        at 
org.apache.spark.sql.execution.SparkPlan.$anonfun$execute$1(SparkPlan.scala:185)
        at 
org.apache.spark.sql.execution.SparkPlan.$anonfun$executeQuery$1(SparkPlan.scala:223)
        at 
org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
        at 
org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:220)
        at org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:181)
        at 
org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:134)
        at 
org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:133)
        at 
org.apache.spark.sql.DataFrameWriterV2.$anonfun$runCommand$1(DataFrameWriterV2.scala:196)
        at 
org.apache.spark.sql.catalyst.QueryPlanningTracker$.withTracker(QueryPlanningTracker.scala:107)
        at 
org.apache.spark.sql.execution.SQLExecution$.withTracker(SQLExecution.scala:232)
        at 
org.apache.spark.sql.execution.SQLExecution$.executeQuery$1(SQLExecution.scala:110)
        at 
org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$6(SQLExecution.scala:135)
        at 
org.apache.spark.sql.catalyst.QueryPlanningTracker$.withTracker(QueryPlanningTracker.scala:107)
        at 
org.apache.spark.sql.execution.SQLExecution$.withTracker(SQLExecution.scala:232)
        at 
org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$5(SQLExecution.scala:135)
        at 
org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:253)
        at 
org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$1(SQLExecution.scala:134)
        at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:772)
        at 
org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:68)
        at 
org.apache.spark.sql.DataFrameWriterV2.runCommand(DataFrameWriterV2.scala:196)
        at 
org.apache.spark.sql.DataFrameWriterV2.internalReplace(DataFrameWriterV2.scala:213)
        at 
org.apache.spark.sql.DataFrameWriterV2.createOrReplace(DataFrameWriterV2.scala:133)
        at GlueApp$.main(assumeroletest2.scala:30)
        at GlueApp.main(assumeroletest2.scala)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.amazonaws.services.glue.SparkProcessLauncherPlugin.invoke(ProcessLauncher.scala:48)
        at 
com.amazonaws.services.glue.SparkProcessLauncherPlugin.invoke$(ProcessLauncher.scala:48)
        at 
com.amazonaws.services.glue.ProcessLauncher$$anon$1.invoke(ProcessLauncher.scala:78)
        at 
com.amazonaws.services.glue.ProcessLauncher.launch(ProcessLauncher.scala:143)
        at 
com.amazonaws.services.glue.ProcessLauncher$.main(ProcessLauncher.scala:30)
        at 
com.amazonaws.services.glue.ProcessLauncher.main(ProcessLauncher.scala)
   
   ```
   



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