waltczhang commented on issue #3374:
URL: https://github.com/apache/iceberg/issues/3374#issuecomment-951841026
As above, the following exception will be thrown when the partition is
updated and expire snapshots are executed
` java.lang.ClassCastException: java.nio.HeapCharBuffer cannot be cast to
java.lang.Void
at
org.apache.iceberg.transforms.VoidTransform.toHumanString(VoidTransform.java:27)
at
org.apache.iceberg.ManifestsTable.partitionSummariesToRows(ManifestsTable.java:115)
at
org.apache.iceberg.ManifestsTable.manifestFileToRow(ManifestsTable.java:98)
at
org.apache.iceberg.AllManifestsTable$ManifestListReadTask.lambda$rows$0(AllManifestsTable.java:182)
at
org.apache.iceberg.io.CloseableIterable$4$1.next(CloseableIterable.java:114)
at
org.apache.iceberg.io.CloseableIterable$4$1.next(CloseableIterable.java:114)
at
org.apache.iceberg.io.CloseableIterable$4$1.next(CloseableIterable.java:114)
at
org.apache.iceberg.spark.source.BaseDataReader.next(BaseDataReader.java:88)
at
org.apache.spark.sql.execution.datasources.v2.DataSourceRDD$$anon$1.hasNext(DataSourceRDD.scala:49)
at
org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:37)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithKeys_0$(Unknown
Source)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown
Source)
at
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at
org.apache.spark.sql.execution.WholeStageCodegenExec$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:636)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
at
org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:127)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:99)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
at org.apache.spark.scheduler.Task.run(Task.scala:123)
at
org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:408)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1419)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:414)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)`
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