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https://issues.apache.org/jira/browse/HUDI-1850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390130#comment-17390130
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ASF GitHub Bot commented on HUDI-1850:
--------------------------------------
nsivabalan commented on pull request #2903:
URL: https://github.com/apache/hudi/pull/2903#issuecomment-889414501
This patch needs to be redone a bit. Since w/ sql dml, create relation will
be called upfront, the empty table check has to be moved to sql dml layer. I
will sync up with @pengzhiwei2018 on how to go about this.
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> Read on table fails if the first write to table failed
> ------------------------------------------------------
>
> Key: HUDI-1850
> URL: https://issues.apache.org/jira/browse/HUDI-1850
> Project: Apache Hudi
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Vaibhav Sinha
> Priority: Major
> Labels: pull-request-available, sev:critical, spark
> Attachments: Screenshot 2021-04-24 at 7.53.22 PM.png
>
>
> {code:java}
> ava.util.NoSuchElementException: No value present in Option
> at org.apache.hudi.common.util.Option.get(Option.java:88)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at
> org.apache.hudi.common.table.TableSchemaResolver.getTableSchemaFromCommitMetadata(TableSchemaResolver.java:215)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at
> org.apache.hudi.common.table.TableSchemaResolver.getTableAvroSchema(TableSchemaResolver.java:166)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at
> org.apache.hudi.common.table.TableSchemaResolver.getTableAvroSchema(TableSchemaResolver.java:155)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at
> org.apache.hudi.MergeOnReadSnapshotRelation.<init>(MergeOnReadSnapshotRelation.scala:65)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at org.apache.hudi.DefaultSource.createRelation(DefaultSource.scala:99)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at org.apache.hudi.DefaultSource.createRelation(DefaultSource.scala:63)
> ~[hudi-spark3-bundle_2.12-0.8.0.jar:0.8.0]
> at
> org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:354)
> ~[spark-sql_2.12-3.1.1.jar:3.1.1]
> at
> org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:326)
> ~[spark-sql_2.12-3.1.1.jar:3.1.1]
> at
> org.apache.spark.sql.DataFrameReader.$anonfun$load$3(DataFrameReader.scala:308)
> ~[spark-sql_2.12-3.1.1.jar:3.1.1]
> at scala.Option.getOrElse(Option.scala:189)
> ~[scala-library-2.12.10.jar:?]
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:308)
> ~[spark-sql_2.12-3.1.1.jar:3.1.1]
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:240)
> ~[spark-sql_2.12-3.1.1.jar:3.1.1]
> {code}
> The screenshot shows the files that got created before the write had failed.
>
> !Screenshot 2021-04-24 at 7.53.22 PM.png!
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