svn merge -c 1596310 FIXES: YARN-2050. Fix LogCLIHelpers to create the correct FileContext. Contributed by Ming Ma

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1596311 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -99,6 +99,9 @@ Release 2.5.0 - UNRELEASED
     YARN-2042. String shouldn't be compared using == in
     QueuePlacementRule#NestedUserQueue#getQueueForApp (Chen He via Sandy Ryza)
 
+    YARN-2050. Fix LogCLIHelpers to create the correct FileContext (Ming Ma
+    via jlowe)
+
 Release 2.4.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/LogCLIHelpers.java

@@ -109,7 +109,10 @@ public class LogCLIHelpers implements Configurable {
         remoteRootLogDir, appId, user, logDirSuffix);
     RemoteIterator<FileStatus> nodeFiles;
     try {
-      nodeFiles = FileContext.getFileContext().listStatus(remoteAppLogDir);
+      Path qualifiedLogDir =
+          FileContext.getFileContext(getConf()).makeQualified(remoteAppLogDir);
+      nodeFiles = FileContext.getFileContext(qualifiedLogDir.toUri(),
+          getConf()).listStatus(remoteAppLogDir);
     } catch (FileNotFoundException fnf) {
       System.out.println("Logs not available at " + remoteAppLogDir.toString());
       System.out