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https://issues.apache.org/jira/browse/SPARK-44576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17760062#comment-17760062
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Herman van Hövell commented on SPARK-44576:
-------------------------------------------
This has been fixed by making the SBT build more hermetic (and fixing the class
sync).
> Session Artifact update breaks XXWithState methods in KVGDS
> -----------------------------------------------------------
>
> Key: SPARK-44576
> URL: https://issues.apache.org/jira/browse/SPARK-44576
> Project: Spark
> Issue Type: Bug
> Components: Connect
> Affects Versions: 3.5.0
> Reporter: Zhen Li
> Assignee: Herman van Hövell
> Priority: Major
>
> When changing the client test jar from system classloader to session
> classloader
> (https://github.com/apache/spark/compare/master...zhenlineo:spark:streaming-artifacts?expand=1),
> all XXWithState test suite failed with class loader errors: e.g.
> ```
> 23/07/25 16:13:14 WARN TaskSetManager: Lost task 1.0 in stage 2.0 (TID 16)
> (10.8.132.125 executor driver): TaskKilled (Stage cancelled: Job aborted due
> to stage failure: Task 170 in stage 2.0 failed 1 times, most recent failure:
> Lost task 170.0 in stage 2.0 (TID 14) (10.8.132.125 executor driver):
> java.lang.ClassCastException: class org.apache.spark.sql.streaming.ClickState
> cannot be cast to class org.apache.spark.sql.streaming.ClickState
> (org.apache.spark.sql.streaming.ClickState is in unnamed module of loader
> org.apache.spark.util.MutableURLClassLoader @2c604965;
> org.apache.spark.sql.streaming.ClickState is in unnamed module of loader
> java.net.URLClassLoader @57751f4)
> at
> org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage4.processNext(Unknown
> Source)
> at
> org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
> at
> org.apache.spark.sql.execution.WholeStageCodegenEvaluatorFactory$WholeStageCodegenPartitionEvaluator$$anon$1.hasNext(WholeStageCodegenEvaluatorFactory.scala:43)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.$anonfun$run$1(WriteToDataSourceV2Exec.scala:441)
> at
> org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1514)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.run(WriteToDataSourceV2Exec.scala:486)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.run$(WriteToDataSourceV2Exec.scala:425)
> at
> org.apache.spark.sql.execution.datasources.v2.DataWritingSparkTask$.run(WriteToDataSourceV2Exec.scala:491)
> at
> org.apache.spark.sql.execution.datasources.v2.V2TableWriteExec.$anonfun$writeWithV2$2(WriteToDataSourceV2Exec.scala:388)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:93)
> at
> org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:161)
> at org.apache.spark.scheduler.Task.run(Task.scala:141)
> at
> org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$4(Executor.scala:592)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1480)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:595)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:829)
> Driver stacktrace:)
> 23/07/25 16:13:14 ERROR Utils: Aborting task
> java.lang.IllegalStateException: Error committing version 1 into
> HDFSStateStore[id=(op=0,part=5),dir=file:/private/var/folders/b0/f9jmmrrx5js7xsswxyf58nwr0000gp/T/temporary-02cca002-e189-4e32-afd8-964d6f8d5056/state/0/5]
> at
> org.apache.spark.sql.execution.streaming.state.HDFSBackedStateStoreProvider$HDFSBackedStateStore.commit(HDFSBackedStateStoreProvider.scala:148)
> at
> org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExecBase.$anonfun$processDataWithPartition$4(FlatMapGroupsWithStateExec.scala:183)
> at
> scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
> at org.apache.spark.util.Utils$.timeTakenMs(Utils.scala:611)
> at
> org.apache.spark.sql.execution.streaming.StateStoreWriter.timeTakenMs(statefulOperators.scala:179)
> at
> org.apache.spark.sql.execution.streaming.StateStoreWriter.timeTakenMs$(statefulOperators.scala:179)
> at
> org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExec.timeTakenMs(FlatMapGroupsWithStateExec.scala:374)
> at
> org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExecBase.$anonfun$processDataWithPartition$3(FlatMapGroupsWithStateExec.scala:183)
> at
> org.apache.spark.util.CompletionIterator$$anon$1.completion(CompletionIterator.scala:47)
> at
> org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:36)
> at
> org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage4.processNext(Unknown
> Source)
> at
> org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
> at
> org.apache.spark.sql.execution.WholeStageCodegenEvaluatorFactory$WholeStageCodegenPartitionEvaluator$$anon$1.hasNext(WholeStageCodegenEvaluatorFactory.scala:43)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.$anonfun$run$1(WriteToDataSourceV2Exec.scala:441)
> at
> org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1514)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.run(WriteToDataSourceV2Exec.scala:486)
> at
> org.apache.spark.sql.execution.datasources.v2.WritingSparkTask.run$(WriteToDataSourceV2Exec.scala:425)
> at
> org.apache.spark.sql.execution.datasources.v2.DataWritingSparkTask$.run(WriteToDataSourceV2Exec.scala:491)
> at
> org.apache.spark.sql.execution.datasources.v2.V2TableWriteExec.$anonfun$writeWithV2$2(WriteToDataSourceV2Exec.scala:388)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:93)
> at
> org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:161)
> at org.apache.spark.scheduler.Task.run(Task.scala:141)
> at
> org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$4(Executor.scala:592)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1480)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:595)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:829)
> ```
> Fix the failure and change the client tests to install client jar on the
> session class loader.
> This test only failed on maven builds as only maven builds needs the test jar
> to be installed separately.
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