[HUDI-3847] Fix NPE due to null schema in HoodieMetadataTableValidator

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 0.11.0
• Labels: pull-request-available
• Story Points: 1
• Epic Link: Metadata Table for File Listing & Query Planning
• Assignee: Ethan Guo
• Reporter: Ethan Guo
• Created: 10/Apr/22 23:08
• Updated: 11/Apr/22 00:59
• Resolved: 11/Apr/22 00:59

Description

java.lang.NullPointerException
    at java.util.Objects.requireNonNull(Objects.java:203)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.hasCommittedLogFiles(HoodieMetadataTableValidator.java:812)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.areFileSliceCommittedLogFilesMatching(HoodieMetadataTableValidator.java:790)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.validateFileSlices(HoodieMetadataTableValidator.java:741)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.validateLatestFileSlices(HoodieMetadataTableValidator.java:644)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.validateFilesInPartition(HoodieMetadataTableValidator.java:537)
    at org.apache.hudi.utilities.HoodieMetadataTableValidator.lambda$doMetadataTableValidation$8043eeec$1(HoodieMetadataTableValidator.java:438)
    at org.apache.spark.api.java.JavaPairRDD$.$anonfun$toScalaFunction$1(JavaPairRDD.scala:1070)
    at scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
    at scala.collection.Iterator.foreach(Iterator.scala:943)
    at scala.collection.Iterator.foreach$(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$5(SparkContext.scala:2254)
    at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
    at org.apache.spark.scheduler.Task.run(Task.scala:131)
    at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
    at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1462)
    at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:509)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748) 

Issue Links

• links to: GitHub Pull Request #5284