Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/6090#discussion_r30260310
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/commands.scala ---
@@ -293,9 +293,18 @@ private[sql] abstract class BaseWriterContainer(
}
private def newOutputCommitter(context: TaskAttemptContext):
OutputCommitter = {
- outputFormatClass.newInstance().getOutputCommitter(context)
+ val committerClass = context.getConfiguration.getClass(
+ "mapred.output.committer.class", null, classOf[OutputCommitter])
+
+ Option(committerClass).map { clazz =>
+ val ctor = clazz.getDeclaredConstructor(classOf[Path],
classOf[TaskAttemptContext])
--- End diff --
Actually, if `committerClass` is based on `mapred` interface, `setupJob`
will not work because mapred's output committer use mapred `JobContext` (a
subclass of mapreduce's `JobContext`) and we are using `Job` in mapreduce
package (another subclass of mapreduce's `JobContext`).
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