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Yanjia Gary Li resolved HUDI-528. --------------------------------- Resolution: Fixed > Incremental Pull fails when latest commit is empty > -------------------------------------------------- > > Key: HUDI-528 > URL: https://issues.apache.org/jira/browse/HUDI-528 > Project: Apache Hudi (incubating) > Issue Type: Bug > Components: Incremental Pull > Reporter: Javier Vega > Assignee: Yanjia Gary Li > Priority: Minor > Labels: bug-bash-0.6.0, help-requested, pull-request-available > Fix For: 0.5.3 > > > When trying to create an incremental view of a dataset, an exception is > thrown when the latest commit in the time range is empty. In order to > determine the schema of the dataset, Hudi will grab the [latest commit file, > parse it, and grab the first metadata file > path|https://github.com/apache/incubator-hudi/blob/480fc7869d4d69e1219bf278fd9a37f27ac260f6/hudi-spark/src/main/scala/org/apache/hudi/IncrementalRelation.scala#L78-L80]. > If the latest commit was empty though, the field which is used to determine > file paths (partitionToWriteStats) will be empty causing the following > exception: > > > {code:java} > java.util.NoSuchElementException > at java.util.HashMap$HashIterator.nextNode(HashMap.java:1447) > at java.util.HashMap$ValueIterator.next(HashMap.java:1474) > at org.apache.hudi.IncrementalRelation.<init>(IncrementalRelation.scala:80) > at org.apache.hudi.DefaultSource.createRelation(DefaultSource.scala:65) > at org.apache.hudi.DefaultSource.createRelation(DefaultSource.scala:46) > at > org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:318) > at > org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:223) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:211) > at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178) > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)