watermelon12138 commented on code in PR #9984:
URL: https://github.com/apache/hudi/pull/9984#discussion_r1384889356
##########
hudi-common/src/main/java/org/apache/hudi/common/util/InternalSchemaCache.java:
##########
@@ -217,7 +217,11 @@ public static InternalSchema
getInternalSchemaByVersionId(long versionId, String
}
InternalSchema fileSchema = InternalSchemaUtils.searchSchema(versionId,
SerDeHelper.parseSchemas(latestHistorySchema));
// step3:
- return fileSchema.isEmptySchema() ?
AvroInternalSchemaConverter.convert(HoodieAvroUtils.addMetadataFields(new
Schema.Parser().parse(avroSchema))) : fileSchema;
+ return fileSchema.isEmptySchema()
+ ? (StringUtils.isNullOrEmpty(avroSchema)
+ ? InternalSchema.getEmptyInternalSchema()
+ :
AvroInternalSchemaConverter.convert(HoodieAvroUtils.addMetadataFields(new
Schema.Parser().parse(avroSchema))))
+ : fileSchema;
Review Comment:
you can read the exception stack of this problem:
Caused by: org.apache.avro.SchemaParseException: Cannot parse <null> schema
at org.apache.avro.Schema.parse(Schema.java:1633)
at org.apache.avro.Schema$Parser.parse(Schema.java:1430)
at org.apache.avro.Schema$Parser.parse(Schema.java:1418)
at
org.apache.hudi.common.util.InternalSchemaCache.getInternalSchemaByVersionId(InternalSchemaCache.java:220)
at
org.apache.hudi.common.util.InternalSchemaCache.getInternalSchemaByVersionId(InternalSchemaCache.java:226)
at
org.apache.hudi.table.action.commit.HoodieMergeHelper.composeSchemaEvolutionTransformer(HoodieMergeHelper.java:177)
at
org.apache.hudi.table.action.commit.HoodieMergeHelper.runMerge(HoodieMergeHelper.java:94)
at
org.apache.hudi.table.HoodieSparkCopyOnWriteTable.handleUpdateInternal(HoodieSparkCopyOnWriteTable.java:252)
at
org.apache.hudi.table.HoodieSparkCopyOnWriteTable.handleUpdate(HoodieSparkCopyOnWriteTable.java:235)
at
org.apache.hudi.table.action.compact.CompactionExecutionHelper.writeFileAndGetWriteStats(CompactionExecutionHelper.java:64)
at
org.apache.hudi.table.action.compact.HoodieCompactor.compact(HoodieCompactor.java:237)
at
org.apache.hudi.table.action.compact.HoodieCompactor.lambda$compact$988df80a$1(HoodieCompactor.java:132)
at
org.apache.spark.api.java.JavaPairRDD$.$anonfun$toScalaFunction$1(JavaPairRDD.scala:1070)
at scala.collection.Iterator$$anon$10.next(Iterator.scala:461)
at scala.collection.Iterator$$anon$11.nextCur(Iterator.scala:486)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:492)
at
org.apache.spark.storage.memory.MemoryStore.putIterator(MemoryStore.scala:223)
at
org.apache.spark.storage.memory.MemoryStore.putIteratorAsBytes(MemoryStore.scala:352)
at
org.apache.spark.storage.BlockManager.$anonfun$doPutIterator$1(BlockManager.scala:1498)
at
org.apache.spark.storage.BlockManager.org$apache$spark$storage$BlockManager$$doPut(BlockManager.scala:1408)
at
org.apache.spark.storage.BlockManager.doPutIterator(BlockManager.scala:1472)
at
org.apache.spark.storage.BlockManager.getOrElseUpdate(BlockManager.scala:1295)
at org.apache.spark.rdd.RDD.getOrCompute(RDD.scala:384)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:335)
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:133)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:506)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1474)
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)
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