snuyanzin commented on code in PR #23917:
URL: https://github.com/apache/flink/pull/23917#discussion_r1428199378
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flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/runtime/utils/StreamingWithStateTestBase.scala:
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@@ -68,8 +69,8 @@ class StreamingWithStateTestBase(state: StateBackendMode)
extends StreamingTestB
super.before()
// set state backend
- // subfolder are managed here because the tests could fail during cleanup
when concurrently executed (see FLINK-33820)
- baseCheckpointPath = TempDirUtils.newFolder(tempFolder)
+ val baseCheckpointPath =
Files.createTempDirectory(getClass.getCanonicalName)
+ Files.deleteIfExists(baseCheckpointPath);
Review Comment:
>baseCheckpointPath = Files.createTempDirectory("junit")
I didn't get why can't we use `baseCheckpointPath =
Files.createTempDirectory(getClass.getCanonicalName)` ?
Havig classname in prefix could simplify finding root cause in case of
issues IMHO
The idea is to use `Files.createTempDirectory` and `deleteIfExists` to be
sure that delete is happening at the end and it should not intersect with
checkpoint removal
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