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https://issues.apache.org/jira/browse/SPARK-23226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Breame updated SPARK-23226:
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Summary: Cannot read CSV file from Windows UNC network path (was: Cannot
read CSV file from windows UNC network path)
> Cannot read CSV file from Windows UNC network path
> --------------------------------------------------
>
> Key: SPARK-23226
> URL: https://issues.apache.org/jira/browse/SPARK-23226
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Environment: Windows 10
> Reporter: Colin Breame
> Priority: Major
>
> An exception is thrown when reading CSV files from a Window UNC path.
>
> *Example*
> val df = spark.read.csv("//unc/path/to/file.csv")
> *Expected Result*
> The csv file should be read.
> *Actual Result*
> java.io.IOException: No FileSystem for scheme: null
> at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2660)
> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94)
> at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373)
> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)
> at
> org.apache.spark.sql.execution.datasources.DataSource$$anonfun$14.apply(DataSource.scala:372)
> at
> org.apache.spark.sql.execution.datasources.DataSource$$anonfun$14.apply(DataSource.scala:370)
> at
> scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
> at
> scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
> at scala.collection.immutable.List.foreach(List.scala:381)
> at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
> at scala.collection.immutable.List.flatMap(List.scala:344)
> at
> org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:370)
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:152)
> at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:415)
> at org.apache.spark.sql.DataFrameReader.csv(DataFrameReader.scala:352)
> ... 48 elided
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