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Posted to common-commits@hadoop.apache.org by he...@apache.org on 2021/09/29 10:36:59 UTC
[hadoop] 02/02: HDFS-16235. Fix Deadlock in LeaseRenewer for static
remove method (#3472)
This is an automated email from the ASF dual-hosted git repository.
hexiaoqiao pushed a commit to branch branch-3.3
in repository https://gitbox.apache.org/repos/asf/hadoop.git
commit 4475d8bfe76a9939a4e611fe7903fbc17f180137
Author: AngersZhuuuu <an...@gmail.com>
AuthorDate: Sat Sep 25 18:17:44 2021 +0800
HDFS-16235. Fix Deadlock in LeaseRenewer for static remove method (#3472)
(cherry picked from commit 5f9321a5d4112e7b4ee9e6b948ce46a2b152a2db)
---
.../main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java
index 6b4c899..fcacdaa 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/impl/LeaseRenewer.java
@@ -96,7 +96,9 @@ public class LeaseRenewer {
* @param renewer Instance to be cleared from Factory
*/
public static void remove(LeaseRenewer renewer) {
- Factory.INSTANCE.remove(renewer);
+ synchronized (renewer) {
+ Factory.INSTANCE.remove(renewer);
+ }
}
/**
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