diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala b/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala index 5979151345415..7bb38ccf6f995 100644 --- a/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala +++ b/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala @@ -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")