lukaizj opened a new issue, #3578:
URL: https://github.com/apache/celeborn/issues/3578

   After upgrading Kyuubi to version 1.11.0, enabling the parameter 
`spark.sql.optimizer.insertRepartitionBeforeWriteIfNoShuffle.enabled=true` 
triggers Adaptive Query Execution (AQE), causing issues with shuffle operations 
on Celeborn 0.6.2. The Spark version in use is 4.0.0.
   
   2026-01-06 14:47:09.665 INFO KyuubiSessionManager-exec-pool: Thread-365 
org.apache.kyuubi.operation.ExecuteStatement: 
Query[69e0c80b-b00d-477c-a833-397e1357cf27] in ERROR_STATE
   2026-01-06 14:47:09.665 ERROR KyuubiSessionManager-exec-pool: Thread-365 
org.apache.kyuubi.operation.ExecuteStatement: Error operating ExecuteStatement: 
org.apache.kyuubi.KyuubiSQLException: Error operating ExecuteStatement: 
org.apache.spark.SparkException: Job aborted due to stage failure: Task 7 in 
stage 0.0 failed 4 times, most recent failure: Lost task 7.3 in stage 0.0 (TID 
167) (hdp-test-002.test-hadoop.com executor 26): 
org.apache.celeborn.common.exception.CelebornIOException: Register shuffle 
failed for shuffle 0, reason: RESERVE_SLOTS_FAILED
           at 
org.apache.celeborn.client.ShuffleClientImpl.registerShuffleInternal(ShuffleClientImpl.java:775)
           at 
org.apache.celeborn.client.ShuffleClientImpl.registerShuffle(ShuffleClientImpl.java:547)
           at 
org.apache.celeborn.client.ShuffleClientImpl.lambda$getPartitionLocation$4(ShuffleClientImpl.java:609)
           at 
java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1708)
           at 
org.apache.celeborn.client.ShuffleClientImpl.getPartitionLocation(ShuffleClientImpl.java:605)
           at 
org.apache.celeborn.client.write.DataPushQueue.takePushTasks(DataPushQueue.java:92)
           at 
org.apache.celeborn.client.write.DataPusher$1.run(DataPusher.java:129)
           at java.base/java.lang.Thread.run(Thread.java:833)
   


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