HDFS-13611. Unsafe use of Text as a ConcurrentHashMap key in PBHelperClient.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/1c7dc84b
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/1c7dc84b
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/1c7dc84b

Branch: refs/heads/HDDS-48
Commit: 1c7dc84b032f8b5b3282ae7f8f08251c251fdf33
Parents: ba71965
Author: Andrew Wang <w...@apache.org>
Authored: Thu May 24 09:56:23 2018 -0700
Committer: Hanisha Koneru <hanishakon...@apache.org>
Committed: Wed May 30 14:00:25 2018 -0700

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 .../java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/1c7dc84b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
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diff --git 
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
 
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
index 579ac43..490ccb4 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
@@ -247,7 +247,7 @@ public class PBHelperClient {
     ByteString value = fixedByteStringCache.get(key);
     if (value == null) {
       value = ByteString.copyFromUtf8(key.toString());
-      fixedByteStringCache.put(key, value);
+      fixedByteStringCache.put(new Text(key.copyBytes()), value);
     }
     return value;
   }


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