eric9204 opened a new issue, #6698: URL: https://github.com/apache/hudi/issues/6698
**_Tips before filing an issue_** - Have you gone through our [FAQs](https://hudi.apache.org/learn/faq/)? - Join the mailing list to engage in conversations and get faster support at [email protected]. - If you have triaged this as a bug, then file an [issue](https://issues.apache.org/jira/projects/HUDI/issues) directly. **Describe the problem you faced** **To Reproduce** Steps to reproduce the behavior: hoodie.datasource.write.operation=insert hoodie.merge.allow.duplicate.on.inserts=true hoodie.datasource.write.table.type=COPY_ON_WRITE hoodie.datasource.write.precombine.field=ts hoodie.datasource.write.recordkey.field=id hoodie.datasource.write.partitionpath.field="" hoodie.table.name=ss_bucket_dsj hoodie.datasource.write.keygenerator.class=org.apache.hudi.keygen.NonpartitionedKeyGenerator hoodie.upsert.shuffle.parallelism=8 hoodie.insert.shuffle.parallelism=8 hoodie.bulk_insert.shuffle.parallelism=8 hoodie.parquet.small.file.limit=104857600 hoodie.index.type=BUCKET hoodie.bucket.index.num.buckets=8 hoodie.index.bucket.engine=CONSISTENT_HASHING hoodie.bucket.index.max.num.buckets=14 hoodie.bucket.index.min.num.buckets=4 hoodie.bucket.index.hash.field=id hoodie.storage.layout.partitioner.class=org.apache.hudi.table.action.commit.SparkBucketIndexPartitioner hoodie.storage.layout.type=BUCKET hoodie.metadata.enable=true hoodie.datasource.clustering.async.enable=true hoodie.clustering.async.enabled=true hoodie.clustering.async.max.commits=1 hoodie.clustering.plan.strategy.target.file.max.bytes=104857600 hoodie.clustering.plan.strategy.small.file.limit=104857600 hoodie.clustering.plan.strategy.class=org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy hoodie.clustering.execution.strategy.class=org.apache.hudi.client.clustering.run.strategy.SparkConsistentBucketClusteringExecutionStrategy hoodie.clustering.updates.strategy=org.apache.hudi.client.clustering.update.strategy.SparkConsistentBucketDuplicateUpdateStrategy hoodie.clustering.plan.strategy.sort.columns=id hoodie.embed.timeline.server=false path=/tmp/hudi/ss_bucket_dsj **Expected behavior** A clear and concise description of what you expected to happen. **Environment Description** * Hudi version : Hudi-master 2022.9.16 * Spark version : spark-3.1.2 * Hive version : None * Hadoop version : Hadoop-3.3.0 * Storage (HDFS/S3/GCS..) : Hdfs * Running on Docker? (yes/no) : No **Additional context** **Stacktrace** ``` 22/09/16 16:30:07 ERROR Executor: Exception in task 0.0 in stage 12.0 (TID 49) java.lang.NullPointerException at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.lambda$buildMergeClusteringGroup$2(SparkConsistentBucketClusteringPlanStrategy.java:222) at java.util.Comparator.lambda$comparingInt$7b0bb60$1(Comparator.java:490) at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.util.TimSort.sort(TimSort.java:220) at java.util.Arrays.sort(Arrays.java:1512) at java.util.ArrayList.sort(ArrayList.java:1464) at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.buildMergeClusteringGroup(SparkConsistentBucketClusteringPlanStrategy.java:222) at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.buildClusteringGroupsForPartition(SparkConsistentBucketClusteringPlanStrategy.java:143) at org.apache.hudi.table.action.cluster.strategy.PartitionAwareClusteringPlanStrategy.lambda$generateClusteringPlan$4e6aac78$1(PartitionAwareClusteringPlanStrategy.java:95) at org.apache.hudi.client.common.HoodieSparkEngineContext.lambda$flatMap$7d470b86$1(HoodieSparkEngineContext.java:137) at org.apache.spark.api.java.JavaRDDLike.$anonfun$flatMap$1(JavaRDDLike.scala:125) at scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486) at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492) at scala.collection.Iterator.foreach(Iterator.scala:943) at scala.collection.Iterator.foreach$(Iterator.scala:943) at scala.collection.AbstractIterator.foreach(Iterator.scala:1431) at scala.collection.generic.Growable.$plus$plus$eq(Growable.scala:62) at scala.collection.generic.Growable.$plus$plus$eq$(Growable.scala:53) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:105) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:49) at scala.collection.TraversableOnce.to(TraversableOnce.scala:366) at scala.collection.TraversableOnce.to$(TraversableOnce.scala:364) at scala.collection.AbstractIterator.to(Iterator.scala:1431) at scala.collection.TraversableOnce.toBuffer(TraversableOnce.scala:358) at scala.collection.TraversableOnce.toBuffer$(TraversableOnce.scala:358) at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1431) at scala.collection.TraversableOnce.toArray(TraversableOnce.scala:345) at scala.collection.TraversableOnce.toArray$(TraversableOnce.scala:339) at scala.collection.AbstractIterator.toArray(Iterator.scala:1431) at org.apache.spark.rdd.RDD.$anonfun$collect$2(RDD.scala:1030) at org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2242) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90) at org.apache.spark.scheduler.Task.run(Task.scala:131) at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497) at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 22/09/16 16:30:07 WARN TaskSetManager: Lost task 0.0 in stage 12.0 (TID 49) (LAPTOP-DONGSJ executor driver): java.lang.NullPointerException at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.lambda$buildMergeClusteringGroup$2(SparkConsistentBucketClusteringPlanStrategy.java:222) at java.util.Comparator.lambda$comparingInt$7b0bb60$1(Comparator.java:490) at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.util.TimSort.sort(TimSort.java:220) at java.util.Arrays.sort(Arrays.java:1512) at java.util.ArrayList.sort(ArrayList.java:1464) at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.buildMergeClusteringGroup(SparkConsistentBucketClusteringPlanStrategy.java:222) at org.apache.hudi.client.clustering.plan.strategy.SparkConsistentBucketClusteringPlanStrategy.buildClusteringGroupsForPartition(SparkConsistentBucketClusteringPlanStrategy.java:143) at org.apache.hudi.table.action.cluster.strategy.PartitionAwareClusteringPlanStrategy.lambda$generateClusteringPlan$4e6aac78$1(PartitionAwareClusteringPlanStrategy.java:95) at org.apache.hudi.client.common.HoodieSparkEngineContext.lambda$flatMap$7d470b86$1(HoodieSparkEngineContext.java:137) at org.apache.spark.api.java.JavaRDDLike.$anonfun$flatMap$1(JavaRDDLike.scala:125) at scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486) at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492) at scala.collection.Iterator.foreach(Iterator.scala:943) at scala.collection.Iterator.foreach$(Iterator.scala:943) at scala.collection.AbstractIterator.foreach(Iterator.scala:1431) at scala.collection.generic.Growable.$plus$plus$eq(Growable.scala:62) at scala.collection.generic.Growable.$plus$plus$eq$(Growable.scala:53) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:105) at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:49) at scala.collection.TraversableOnce.to(TraversableOnce.scala:366) at scala.collection.TraversableOnce.to$(TraversableOnce.scala:364) at scala.collection.AbstractIterator.to(Iterator.scala:1431) at scala.collection.TraversableOnce.toBuffer(TraversableOnce.scala:358) at scala.collection.TraversableOnce.toBuffer$(TraversableOnce.scala:358) at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1431) at scala.collection.TraversableOnce.toArray(TraversableOnce.scala:345) at scala.collection.TraversableOnce.toArray$(TraversableOnce.scala:339) at scala.collection.AbstractIterator.toArray(Iterator.scala:1431) at org.apache.spark.rdd.RDD.$anonfun$collect$2(RDD.scala:1030) at org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2242) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90) at org.apache.spark.scheduler.Task.run(Task.scala:131) at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497) at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 22/09/16 16:30:07 ERROR TaskSetManager: Task 0 in stage 12.0 failed 1 times; aborting job 22/09/16 16:30:07 INFO TaskSchedulerImpl: Removed TaskSet 12.0, whose tasks have all completed, from pool 22/09/16 16:30:07 INFO TaskSchedulerImpl: Cancelling stage 12 22/09/16 16:30:07 INFO TaskSchedulerImpl: Killing all running tasks in stage 12: Stage cancelled ``` -- This is an automated message from the Apache Git Service. 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