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Posted to common-commits@hadoop.apache.org by he...@apache.org on 2021/09/14 06:19:37 UTC
[hadoop] 06/06: HDFS-15160. amend to fix javac error supressing
unchecked warning
This is an automated email from the ASF dual-hosted git repository.
hexiaoqiao pushed a commit to branch branch-3.2
in repository https://gitbox.apache.org/repos/asf/hadoop.git
commit a3920e89de3de56f8bdde84219bc4b51be2d59bd
Author: Ahmed Hussein <a...@ahussein.me>
AuthorDate: Tue Aug 31 15:58:06 2021 -0500
HDFS-15160. amend to fix javac error supressing unchecked warning
---
.../hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
index 7adcd8e..045c8cd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
@@ -201,16 +201,16 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
* The deepCopyReplica call doesn't use the datasetock since it will lead the
* potential deadlock with the {@link FsVolumeList#addBlockPool} call.
*/
+ @SuppressWarnings("unchecked")
@Override
public Set<? extends Replica> deepCopyReplica(String bpid)
throws IOException {
- Set<? extends Replica> replicas = null;
+ Set<? extends Replica> replicas;
try (AutoCloseableLock lock = datasetReadLock.acquire()) {
replicas =
new HashSet<>(volumeMap.replicas(bpid) == null ? Collections.EMPTY_SET
: volumeMap.replicas(bpid));
}
-
return Collections.unmodifiableSet(replicas);
}
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