HADOOP-19049. Fix StatisticsDataReferenceCleaner classloader leak

Hisoka-X · Hisoka-X · commit 47532b7c90b3 · 2024-01-23T20:16:37.000+08:00
diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
@@ -4077,6 +4077,7 @@ private interface StatisticsAggregator<T> {
       STATS_DATA_CLEANER.
           setName(StatisticsDataReferenceCleaner.class.getName());
       STATS_DATA_CLEANER.setDaemon(true);
+      STATS_DATA_CLEANER.setContextClassLoader(null);
       STATS_DATA_CLEANER.start();
     }
 

Original file line number	Diff line number	Diff line change
`@@ -4077,6 +4077,7 @@ private interface StatisticsAggregator<T> {`
`4077`	`4077`	`STATS_DATA_CLEANER.`
`4078`	`4078`	`setName(StatisticsDataReferenceCleaner.class.getName());`
`4079`	`4079`	`STATS_DATA_CLEANER.setDaemon(true);`
	`4080`	`+ STATS_DATA_CLEANER.setContextClassLoader(null);`
`4080`	`4081`	`STATS_DATA_CLEANER.start();`
`4081`	`4082`	`}`
`4082`	`4083`