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

(cherry picked from commit c9b63deb53)
2018-05-24 09:56:23 -07:00 · 2018-05-24 09:56:23 -07:00 · 31d597f0c7
parent de43b41d0f
commit 31d597f0c7
1 changed files with 1 additions and 1 deletions
--- 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;
  }