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Posted to commits@hudi.apache.org by "Ethan Guo (Jira)" <ji...@apache.org> on 2022/06/11 05:47:00 UTC
[jira] [Updated] (HUDI-4205) Reading metadata table on S3 using Spark throws NullPointerException during createHFileReader
[ https://issues.apache.org/jira/browse/HUDI-4205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ethan Guo updated HUDI-4205:
----------------------------
Summary: Reading metadata table on S3 using Spark throws NullPointerException during createHFileReader (was: Reading metadata table on S3 using Spark throws NullPointerException)
> Reading metadata table on S3 using Spark throws NullPointerException during createHFileReader
> ---------------------------------------------------------------------------------------------
>
> Key: HUDI-4205
> URL: https://issues.apache.org/jira/browse/HUDI-4205
> Project: Apache Hudi
> Issue Type: Bug
> Components: metadata, spark
> Affects Versions: 0.11.0
> Reporter: Ethan Guo
> Assignee: Ethan Guo
> Priority: Blocker
> Fix For: 0.12.0
>
>
> Environment: EMR 6.6.0, OSS Spark 3.2.1, Hudi master
> Storage: S3
> When loading the metadata table in Spark shell using the following code, it throws NullPointerException.
> This also happens for the following combinations: (1) Spark 3.1.3, Hudi 0.11.0 (1) Spark 3.2.1, Hudi 0.11.0
> {code:java}
> spark.read.format("hudi").load("s3a://<base_path>/.hoodie/metadata/").show {code}
>
> {code:java}
> Caused by: java.lang.NullPointerException
> at org.apache.hudi.org.apache.hadoop.hbase.io.hfile.CacheConfig.<init>(CacheConfig.java:178)
> at org.apache.hudi.org.apache.hadoop.hbase.io.hfile.CacheConfig.<init>(CacheConfig.java:167)
> at org.apache.hudi.org.apache.hadoop.hbase.io.hfile.CacheConfig.<init>(CacheConfig.java:163)
> at org.apache.hudi.HoodieBaseRelation$.$anonfun$createHFileReader$1(HoodieBaseRelation.scala:531)
> at org.apache.hudi.HoodieBaseRelation.$anonfun$createBaseFileReader$1(HoodieBaseRelation.scala:482)
> at org.apache.hudi.HoodieMergeOnReadRDD.readBaseFile(HoodieMergeOnReadRDD.scala:130)
> at org.apache.hudi.HoodieMergeOnReadRDD.compute(HoodieMergeOnReadRDD.scala:100)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
> at org.apache.spark.scheduler.Task.run(Task.scala:131)
> at org.apache.spark.executor.Executor$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:750) {code}
> {code:java}
> Caused by: java.lang.NullPointerException
> at org.apache.hudi.metadata.HoodieBackedTableMetadata.getLogRecordScanner(HoodieBackedTableMetadata.java:484)
> at org.apache.hudi.HoodieMergeOnReadRDD$.scanLog(HoodieMergeOnReadRDD.scala:342)
> at org.apache.hudi.HoodieMergeOnReadRDD$LogFileIterator.<init>(HoodieMergeOnReadRDD.scala:173)
> at org.apache.hudi.HoodieMergeOnReadRDD$RecordMergingFileIterator.<init>(HoodieMergeOnReadRDD.scala:252)
> at org.apache.hudi.HoodieMergeOnReadRDD.compute(HoodieMergeOnReadRDD.scala:101)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
> at org.apache.spark.scheduler.Task.run(Task.scala:131)
> at org.apache.spark.executor.Executor$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) {code}
> Spark shell:
> {code:java}
> ./bin/spark-shell \
> --master yarn \
> --deploy-mode client \
> --driver-memory 20g \
> --executor-memory 20g \
> --num-executors 2 \
> --executor-cores 8 \
> --conf spark.serializer=org.apache.spark.serializer.KryoSerializer \
> --conf spark.kryoserializer.buffer=256m \
> --conf spark.kryoserializer.buffer.max=1024m \
> --jars /home/hadoop/hudi-spark3.2-bundle_2.12-0.12.0-SNAPSHOT.jar \
> --conf 'spark.eventLog.enabled=true' --conf 'spark.eventLog.dir=hdfs:///var/log/spark/apps' \
> --conf 'spark.sql.extensions=org.apache.spark.sql.hudi.HoodieSparkSessionExtension' \
> --conf 'spark.sql.catalog.spark_catalog=org.apache.spark.sql.hudi.catalog.HoodieCatalog' {code}
>
>
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