AngersZhuuuu commented on a change in pull request #30027:
URL: https://github.com/apache/spark/pull/30027#discussion_r504402354
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File path: core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala
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@@ -232,6 +232,11 @@ class HadoopRDD[K, V](
logWarning(s"${jobConf.get(FileInputFormat.INPUT_DIR)} doesn't exist
and no" +
s" partitions returned from this path.", e)
Array.empty[Partition]
+ case e: IOException if e.getMessage.contains("Not a file") =>
+ val path = e.getMessage.split(":").map(_.trim).apply(2)
+ throw new IOException(s"Path: ${path} is a directory, it is not" +
+ s" allowed for `serde` reader when" +
Review comment:
> How about:
>
> ```
> s"Path: ${path} is a directory, which is not supported by the record
reader when `mapreduce.input.fileinputformat.input.dir.recursive` is false."
> ```
updated
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