Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/16451#discussion_r94576764
--- Diff:
external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaTestUtils.scala
---
@@ -138,10 +139,15 @@ class KafkaTestUtils extends Logging {
if (server != null) {
server.shutdown()
+ server.awaitShutdown()
server = null
}
- brokerConf.logDirs.foreach { f => Utils.deleteRecursively(new File(f))
}
+ // On Windows, `logDirs` is left open even after Kafka server above is
completely shut-downed
+ // in some cases. It leads to test failures on Windows if these are
not ignored.
+ brokerConf.logDirs.map(new File(_))
+ .filterNot(FileUtils.deleteQuietly)
--- End diff --
It seems a Windows specific problem. It holds an exclusive lock. If
anything does not close the file, then, it can't be deleted or renamed unlike
Linux or Mac. I assume it will be able to be deleted if we call `System.gc()`
though.
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