HDFS-8358. TestTraceAdmin fails. Contributed by Masatake Iwasaki.

(cherry picked from commit f9a46a00d2020c6d6466fbc829ada0521cb78dc0)

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

@@ -417,6 +417,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-8362. Java Compilation Error in TestHdfsConfigFields.java
     (Arshad Mohammad via vinayakumarb)
 
+    HDFS-8358. TestTraceAdmin fails (Masatake Iwasaki via kihwal)
+
+
 Release 2.7.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java

@@ -72,10 +72,10 @@ public class TestTraceAdmin {
       Assert.assertEquals("ret:0, [no span receivers found]" + NEWLINE,
           runTraceCommand(trace, "-list", "-host", getHostPortForNN(cluster)));
       Assert.assertEquals("ret:0, Added trace span receiver 1 with " +
-          "configuration local-file-span-receiver.path = " + tracePath + NEWLINE,
+          "configuration dfs.htrace.local-file-span-receiver.path = " + tracePath + NEWLINE,
           runTraceCommand(trace, "-add", "-host", getHostPortForNN(cluster),
               "-class", "org.apache.htrace.impl.LocalFileSpanReceiver",
-              "-Clocal-file-span-receiver.path=" + tracePath));
+              "-Cdfs.htrace.local-file-span-receiver.path=" + tracePath));
       String list =
           runTraceCommand(trace, "-list", "-host", getHostPortForNN(cluster));
       Assert.assertTrue(list.startsWith("ret:0"));
@@ -86,10 +86,10 @@ public class TestTraceAdmin {
       Assert.assertEquals("ret:0, [no span receivers found]" + NEWLINE,
           runTraceCommand(trace, "-list", "-host", getHostPortForNN(cluster)));
       Assert.assertEquals("ret:0, Added trace span receiver 2 with " +
-          "configuration local-file-span-receiver.path = " + tracePath + NEWLINE,
+          "configuration dfs.htrace.local-file-span-receiver.path = " + tracePath + NEWLINE,
           runTraceCommand(trace, "-add", "-host", getHostPortForNN(cluster),
               "-class", "LocalFileSpanReceiver",
-              "-Clocal-file-span-receiver.path=" + tracePath));
+              "-Cdfs.htrace.local-file-span-receiver.path=" + tracePath));
       Assert.assertEquals("ret:0, Removed trace span receiver 2" + NEWLINE,
           runTraceCommand(trace, "-remove", "2", "-host",
               getHostPortForNN(cluster)));