HDFS-7194 Fix findbugs "inefficient new String constructor" warning in DFSClient#PATH (yzhang via cmccabe)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -365,11 +365,15 @@ Release 2.7.0 - UNRELEASED
   NEW FEATURES
 
   IMPROVEMENTS
+
     HDFS-7055. Add tracing to DFSInputStream (cmccabe)
 
   OPTIMIZATIONS
 
   BUG FIXES
+    
+    HDFS-7194. Fix findbugs "inefficient new String constructor" warning in
+    DFSClient#PATH (yzhang via cmccabe)
 
 Release 2.6.0 - UNRELEASED
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java

@@ -3174,8 +3174,7 @@ public class DFSClient implements java.io.Closeable, RemotePeerFactory,
     return saslClient;
   }
 
-  private static final byte[] PATH =
-      new String("path").getBytes(Charset.forName("UTF-8"));
+  private static final byte[] PATH = "path".getBytes(Charset.forName("UTF-8"));
 
   TraceScope getPathTraceScope(String description, String path) {
     TraceScope scope = Trace.startSpan(description, traceSampler);