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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2015/12/02 00:37:10 UTC
[jira] [Resolved] (SPARK-12055) TimSort failing with error when
writing a partitioned data set
[ https://issues.apache.org/jira/browse/SPARK-12055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yin Huai resolved SPARK-12055.
------------------------------
Resolution: Duplicate
Assignee: Nong Li
> TimSort failing with error when writing a partitioned data set
> --------------------------------------------------------------
>
> Key: SPARK-12055
> URL: https://issues.apache.org/jira/browse/SPARK-12055
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
> Assignee: Nong Li
> Priority: Blocker
>
> When we need to sort rows based on partitioning columns within a task, timsort somehow failed. I do not know what is the cause. The only thing I know right now is that the partitioning columns are three string columns.
> {code}
> org.apache.spark.SparkException: Task failed while writing rows.
> at org.apache.spark.sql.execution.datasources.DynamicPartitionWriterContainer.writeRows(WriterContainer.scala:396)
> at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1$$anonfun$apply$mcV$sp$3.apply(InsertIntoHadoopFsRelation.scala:150)
> at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelation$$anonfun$run$1$$anonfun$apply$mcV$sp$3.apply(InsertIntoHadoopFsRelation.scala:150)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
> at org.apache.spark.scheduler.Task.run(Task.scala:88)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
> at org.apache.spark.util.collection.TimSort$SortState.mergeLo(TimSort.java:794)
> at org.apache.spark.util.collection.TimSort$SortState.mergeAt(TimSort.java:525)
> at org.apache.spark.util.collection.TimSort$SortState.mergeCollapse(TimSort.java:453)
> at org.apache.spark.util.collection.TimSort$SortState.access$200(TimSort.java:325)
> at org.apache.spark.util.collection.TimSort.sort(TimSort.java:153)
> at org.apache.spark.util.collection.Sorter.sort(Sorter.scala:37)
> at org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter.getSortedIterator(UnsafeInMemorySorter.java:231)
> at org.apache.spark.util.collection.unsafe.sort.UnsafeExternalSorter.getSortedIterator(UnsafeExternalSorter.java:404)
> at org.apache.spark.sql.execution.UnsafeKVExternalSorter.sortedIterator(UnsafeKVExternalSorter.java:159)
> at org.apache.spark.sql.execution.datasources.DynamicPartitionWriterContainer.writeRows(WriterContainer.scala:365)
> ... 8 more
> {code}
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