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[SPARK-26094][CORE][STREAMING] createNonEcFile creates parent dirs. #23092

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[SPARK-26094][CORE][STREAMING] createNonEcFile creates parent dirs. #23092

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c52010a
[SPARK-26094][CORE][STREAMING] createNonEcFile creates parent dirs.
squito Nov 16, 2018
891e37c
add error handling on mkdirs
squito Dec 3, 2018
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8 changes: 7 additions & 1 deletion core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -471,7 +471,13 @@ object SparkHadoopUtil {
try {
// Use reflection as this uses apis only avialable in hadoop 3
val builderMethod = fs.getClass().getMethod("createFile", classOf[Path])
val builder = builderMethod.invoke(fs, path)
// the builder api does not resolve relative paths, nor does it create parent dirs, while
// the old api does.
if (!fs.mkdirs(path.getParent())) {
throw new IOException(s"Failed to create parents of $path")
}
val qualifiedPath = fs.makeQualified(path)
val builder = builderMethod.invoke(fs, qualifiedPath)
val builderCls = builder.getClass()
// this may throw a NoSuchMethodException if the path is not on hdfs
val replicateMethod = builderCls.getMethod("replicate")
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