[Bug] Occasionally encountering IllegalReferenceCountException when releasing ShuffleIndexResult

[rickyma]

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Describe the bug

Error stacktrace:

Caused by: org.apache.uniffle.common.exception.RssFetchFailedException: Failed to read shuffle data from HOT handler
	at org.apache.uniffle.storage.handler.impl.ComposedClientReadHandler.readShuffleData(ComposedClientReadHandler.java:124)
	at org.apache.uniffle.client.impl.ShuffleReadClientImpl.read(ShuffleReadClientImpl.java:305)
	at org.apache.uniffle.client.impl.ShuffleReadClientImpl.readShuffleBlockData(ShuffleReadClientImpl.java:213)
	at org.apache.spark.shuffle.reader.RssShuffleDataIterator.hasNext(RssShuffleDataIterator.java:115)
	at org.apache.spark.util.CompletionIterator.hasNext(CompletionIterator.scala:31)
	at org.apache.spark.shuffle.reader.RssShuffleReader$MultiPartitionIterator.hasNext(RssShuffleReader.java:307)
	at org.apache.spark.util.collection.ExternalAppendOnlyMap.insertAll(ExternalAppendOnlyMap.scala:155)
	at org.apache.spark.Aggregator.combineCombinersByKey(Aggregator.scala:50)
	at org.apache.spark.shuffle.reader.RssShuffleReader.read(RssShuffleReader.java:136)
	at org.apache.spark.rdd.ShuffledRDD.compute(ShuffledRDD.scala:106)
	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:365)
	at org.apache.spark.rdd.RDD.iterator(RDD.scala:329)
	at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:59)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:99)
	at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:52)
	at org.apache.spark.scheduler.Task.run(Task.scala:136)
	at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:548)
	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1504)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:551)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
	at io.netty.util.internal.ReferenceCountUpdater.toLiveRealRefCnt(ReferenceCountUpdater.java:83)
	at io.netty.util.internal.ReferenceCountUpdater.release(ReferenceCountUpdater.java:148)
	at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:101)
	at org.apache.uniffle.common.netty.buffer.NettyManagedBuffer.release(NettyManagedBuffer.java:59)
	at org.apache.uniffle.common.ShuffleIndexResult.release(ShuffleIndexResult.java:75)
	at org.apache.uniffle.storage.handler.impl.DataSkippableReadHandler.readShuffleData(DataSkippableReadHandler.java:82)
	at org.apache.uniffle.storage.handler.impl.ComposedClientReadHandler.readShuffleData(ComposedClientReadHandler.java:113)
	... 21 more

Reason: Unknown
Priority: Minor

Affects Version(s)

master

Uniffle Server Log Output

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Uniffle Engine Log Output

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Uniffle Server Configurations

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Uniffle Engine Configurations

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Additional context

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Are you willing to submit PR?

• Yes I am willing to submit a PR!