Github user mgaido91 commented on a diff in the pull request: https://github.com/apache/spark/pull/18329#discussion_r123458885 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamWriter.scala --- @@ -235,6 +239,21 @@ final class DataStreamWriter[T] private[sql](ds: Dataset[T]) { "write files of Hive data source directly.") } + val hadoopConf = df.sparkSession.sessionState.newHadoopConf() + val defaultFS = FileSystem.getDefaultUri(hadoopConf).getScheme + val tmpFS = new URI(System.getProperty("java.io.tmpdir")).getScheme + + val isTempCheckpointLocationAvailable = tmpFS match { + case null | "file" => + if (defaultFS == null || defaultFS.equals("file")) { + true + } else { + false + } + case defaultFS => true --- End diff -- I think this situation is unlikely but if it happens I guess it is not bad to manage it in this way, i.e. let everything as it was before the change.
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