Github user GJL commented on a diff in the pull request: https://github.com/apache/flink/pull/5933#discussion_r184892264 --- Diff: flink-test-utils-parent/flink-test-utils/src/main/java/org/apache/flink/test/util/MiniClusterResource.java --- @@ -149,6 +155,7 @@ public void before() throws Exception { @Override public void after() { + temporaryFolder.delete(); --- End diff -- No need to call this explicitly: ``` /** * Delete all files and folders under the temporary folder. Usually not * called directly, since it is automatically applied by the {@link Rule} */ public void delete() { if (folder != null) { recursiveDelete(folder); } } ```
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