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The following commit(s) were added to refs/heads/trunk by this push:
new d203045 HDFS-14618. Incorrect synchronization of ArrayList field
(ArrayList is thread-unsafe). Contributed by Paul Ward.
d203045 is described below
commit d203045c3024b134d7a0417d1ea3a60d03a1534a
Author: paulward24 <[email protected]>
AuthorDate: Fri Jun 28 16:06:43 2019 -0700
HDFS-14618. Incorrect synchronization of ArrayList field (ArrayList is
thread-unsafe). Contributed by Paul Ward.
---
.../hdfs/server/blockmanagement/PendingReconstructionBlocks.java | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingReconstructionBlocks.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingReconstructionBlocks.java
index 0f20daa..d0af60c 100644
---
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingReconstructionBlocks.java
+++
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingReconstructionBlocks.java
@@ -132,7 +132,9 @@ class PendingReconstructionBlocks {
public void clear() {
synchronized (pendingReconstructions) {
pendingReconstructions.clear();
- timedOutItems.clear();
+ synchronized (timedOutItems) {
+ timedOutItems.clear();
+ }
timedOutCount = 0L;
}
}
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