NicoK commented on a change in pull request #9132: [FLINK-13245][network] Fix
the bug of file resource leak while canceling partition request
URL: https://github.com/apache/flink/pull/9132#discussion_r306746174
##########
File path:
flink-runtime/src/test/java/org/apache/flink/runtime/io/network/netty/PartitionRequestQueueTest.java
##########
@@ -54,6 +66,22 @@
*/
public class PartitionRequestQueueTest {
+ private static final String TEMP_DIR =
EnvironmentInformation.getTemporaryFileDirectory();
Review comment:
Why don't you use this?
```
@ClassRule
public static final TemporaryFolder TEMPORARY_FOLDER = new
TemporaryFolder();
```
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