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[SPARK-21384] [YARN] Spark + YARN fails with LocalFileSystem as default FS #19141

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[SPARK-21384] [YARN] Spark + YARN fails with LocalFileSystem as default FS #19141

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208bb68
[SPARK-21384] [YARN] Spark 2.2 + YARN without spark.yarn.jars /
Sep 6, 2017
d2d13fe
Copying the files to remote always when the source scheme is 'file'
Sep 19, 2017
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7 changes: 4 additions & 3 deletions resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
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Expand Up @@ -340,8 +340,9 @@ private[spark] class Client(

/**
* Copy the given file to a remote file system (e.g. HDFS) if needed.
* The file is only copied if the source and destination file systems are different. This is used
* for preparing resources for launching the ApplicationMaster container. Exposed for testing.
* The file is only copied if the source and destination file systems are different or the source
* scheme is "file". This is used for preparing resources for launching the ApplicationMaster
* container. Exposed for testing.
*/
private[yarn] def copyFileToRemote(
destDir: Path,
Expand All @@ -353,7 +354,7 @@ private[spark] class Client(
val destFs = destDir.getFileSystem(hadoopConf)
val srcFs = srcPath.getFileSystem(hadoopConf)
var destPath = srcPath
if (force || !compareFs(srcFs, destFs)) {
if (force || !compareFs(srcFs, destFs) || "file".equals(srcFs.getScheme)) {
destPath = new Path(destDir, destName.getOrElse(srcPath.getName()))
logInfo(s"Uploading resource $srcPath -> $destPath")
FileUtil.copy(srcFs, srcPath, destFs, destPath, false, hadoopConf)
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