Try something

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/5b580aaa
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/5b580aaa
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/5b580aaa

Branch: refs/heads/branch-2-jhung-test
Commit: 5b580aaa7e16048b162838d77bb48c5e9fddbaba
Parents: 5c02975
Author: Jonathan Hung <[email protected]>
Authored: Fri Dec 14 16:02:55 2018 -0800
Committer: Jonathan Hung <[email protected]>
Committed: Fri Dec 14 16:03:56 2018 -0800

----------------------------------------------------------------------
 .../apache/hadoop/cli/util/CommandExecutor.java |  8 +-
 .../apache/hadoop/crypto/key/TestKeyShell.java  |  8 +-
 .../apache/hadoop/fs/TestFsShellReturnCode.java | 16 ++--
 .../java/org/apache/hadoop/fs/TestTrash.java    |  8 +-
 .../hadoop/fs/shell/TestXAttrCommands.java      |  4 +-
 .../hadoop/ipc/TestDecayRpcScheduler.java       |  4 +-
 .../hadoop/security/alias/TestCredShell.java    |  4 +-
 .../apache/hadoop/test/GenericTestUtils.java    |  4 +-
 .../org/apache/hadoop/util/TestClasspath.java   |  8 +-
 .../hadoop/util/TestNativeLibraryChecker.java   |  4 +-
 .../crypto/key/kms/server/TestKMSAudit.java     |  4 +-
 .../federation/router/TestRouterAdminCLI.java   | 18 ++--
 .../org/apache/hadoop/hdfs/DFSTestUtil.java     |  8 +-
 .../hadoop/hdfs/TestBalancerBandwidth.java      |  4 +-
 .../org/apache/hadoop/hdfs/TestDFSShell.java    | 88 ++++++++++----------
 .../hadoop/hdfs/TestFsShellPermission.java      |  4 +-
 .../hadoop/hdfs/TestMaintenanceState.java       |  4 +-
 .../java/org/apache/hadoop/hdfs/TestQuota.java  | 12 +--
 .../hdfs/server/namenode/TestClusterId.java     | 12 +--
 .../namenode/TestDecommissioningStatus.java     |  4 +-
 .../namenode/TestMetadataVersionOutput.java     |  4 +-
 .../namenode/snapshot/TestSnapshotDeletion.java |  8 +-
 .../snapshot/TestSnapshotFileLength.java        |  8 +-
 .../namenode/snapshot/TestSnapshotRename.java   |  8 +-
 .../apache/hadoop/hdfs/tools/TestDFSAdmin.java  |  8 +-
 .../hadoop/hdfs/tools/TestDFSAdminWithHA.java   |  8 +-
 .../hadoop/hdfs/tools/TestDebugAdmin.java       |  8 +-
 .../TestOfflineEditsViewer.java                 |  4 +-
 .../TestOfflineImageViewer.java                 | 12 +--
 .../org/apache/hadoop/tools/TestJMXGet.java     |  4 +-
 .../java/org/apache/hadoop/tools/TestTools.java |  8 +-
 .../apache/hadoop/tracing/TestTraceAdmin.java   |  8 +-
 .../mapreduce/v2/hs/TestJobHistoryParsing.java  |  4 +-
 .../apache/hadoop/mapred/TestNetworkedJob.java  | 10 +--
 .../mapred/pipes/TestPipeApplication.java       |  6 +-
 .../hadoop/mapreduce/TestMRJobClient.java       |  8 +-
 .../java/org/apache/hadoop/ant/DfsTask.java     |  8 +-
 .../apache/hadoop/tools/TestHadoopArchives.java | 12 +--
 .../hadoop/tools/TestDistCpSyncReverseBase.java |  8 +-
 .../apache/hadoop/tools/TestDistCpSystem.java   |  4 +-
 .../org/apache/hadoop/tools/TestCopyFiles.java  |  4 +-
 .../org/apache/hadoop/tools/TestDistCh.java     |  8 +-
 .../mapred/gridmix/TestGridmixSubmission.java   |  4 +-
 .../hadoop/streaming/TestDumpTypedBytes.java    |  4 +-
 .../org/apache/hadoop/streaming/UtilTest.java   |  4 +-
 .../hadoop/yarn/client/cli/TestClusterCLI.java  |  2 +-
 .../hadoop/yarn/client/cli/TestLogsCLI.java     |  4 +-
 .../hadoop/yarn/client/cli/TestRMAdminCLI.java  | 16 ++--
 .../yarn/client/cli/TestSchedConfCLI.java       |  4 +-
 .../hadoop/yarn/client/cli/TestYarnCLI.java     |  2 +-
 .../TestLogAggregationIndexFileController.java  |  4 +-
 .../hadoop/registry/cli/TestRegistryCli.java    |  2 +-
 52 files changed, 216 insertions(+), 216 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
index 5ef129c..2c689df 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CommandExecutor.java
@@ -71,8 +71,8 @@ public abstract class CommandExecutor {
     PrintStream origOut = System.out;
     PrintStream origErr = System.err;
     
-    System.setOut(new PrintStream(bao));
-    System.setErr(new PrintStream(bao));
+    //System.setOut(new PrintStream(bao));
+    //System.setErr(new PrintStream(bao));
     
     try {
       exitCode = execute(cmd);
@@ -81,8 +81,8 @@ public abstract class CommandExecutor {
       lastException = e;
       exitCode = -1;
     } finally {
-      System.setOut(origOut);
-      System.setErr(origErr);
+      //System.setOut(origOut);
+      //System.setErr(origErr);
     }
     return new Result(bao.toString(), exitCode, lastException, cmd);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java
index e2dcde5..55f8be8 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyShell.java
@@ -58,14 +58,14 @@ public class TestKeyShell {
     jceksProvider = "jceks://file" + jksPath.toUri();
     initialStdOut = System.out;
     initialStdErr = System.err;
-    System.setOut(new PrintStream(outContent));
-    System.setErr(new PrintStream(errContent));
+    //System.setOut(new PrintStream(outContent));
+    //System.setErr(new PrintStream(errContent));
   }
 
   @After
   public void cleanUp() throws Exception {
-    System.setOut(initialStdOut);
-    System.setErr(initialStdErr);
+    //System.setOut(initialStdOut);
+    //System.setErr(initialStdErr);
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellReturnCode.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellReturnCode.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellReturnCode.java
index 024a076..62a0297 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellReturnCode.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFsShellReturnCode.java
@@ -291,7 +291,7 @@ public class TestFsShellReturnCode {
     final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldErr = System.err;
-    System.setErr(out);
+    //System.setErr(out);
     final String results;
     try {
       Path tdir = new Path(TEST_ROOT_DIR, "notNullCopy");
@@ -310,7 +310,7 @@ public class TestFsShellReturnCode {
       assertTrue(" Not displaying the intended message 
",results.contains("get: `"+args[1]+"': No such file or directory"));
     } finally {
       IOUtils.closeStream(out);
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
   }
   
@@ -322,7 +322,7 @@ public class TestFsShellReturnCode {
     final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
     final PrintStream err = new PrintStream(bytes);
     final PrintStream oldErr = System.err;
-    System.setErr(err);
+    //System.setErr(err);
     final String results;
     try {
       int exit = shell.run(new String[]{"-rm", "nomatch*"});
@@ -331,7 +331,7 @@ public class TestFsShellReturnCode {
       assertTrue(results.contains("rm: `nomatch*': No such file or 
directory"));
     } finally {
       IOUtils.closeStream(err);
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
   }
 
@@ -343,14 +343,14 @@ public class TestFsShellReturnCode {
     final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
     final PrintStream err = new PrintStream(bytes);
     final PrintStream oldErr = System.err;
-    System.setErr(err);
+    //System.setErr(err);
     try {
       int exit = shell.run(new String[]{"-rm", "-f", "nomatch*"});
       assertEquals(0, exit);
       assertTrue(bytes.toString().isEmpty());
     } finally {
       IOUtils.closeStream(err);
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
   }
 
@@ -371,7 +371,7 @@ public class TestFsShellReturnCode {
     final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldErr = System.err;
-    System.setErr(out);
+    //System.setErr(out);
     final String results;
     try {
       int run = shell.run(args);
@@ -380,7 +380,7 @@ public class TestFsShellReturnCode {
       assertTrue("Return code should be 0", run == 0);
     } finally {
       IOUtils.closeStream(out);
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
     
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
index 1a6d580..5f9971c 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestTrash.java
@@ -435,8 +435,8 @@ public class TestTrash extends TestCase {
       PrintStream stderr = System.err;
       ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
       PrintStream newOut = new PrintStream(byteStream);
-      System.setOut(newOut);
-      System.setErr(newOut);
+      //System.setOut(newOut);
+      //System.setErr(newOut);
       try {
         shell.run(args);
       } catch (Exception e) {
@@ -444,8 +444,8 @@ public class TestTrash extends TestCase {
             e.getLocalizedMessage());
       }
       String output = byteStream.toString();
-      System.setOut(stdout);
-      System.setErr(stderr);
+      //System.setOut(stdout);
+      //System.setErr(stderr);
       assertTrue("skipTrash wasn't suggested as remedy to failed rm command" +
           " or we deleted / even though we could not get server defaults",
           output.indexOf("Consider using -skipTrash option") != -1 ||

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestXAttrCommands.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestXAttrCommands.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestXAttrCommands.java
index af0a2c3..2a4b95f 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestXAttrCommands.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/shell/TestXAttrCommands.java
@@ -41,14 +41,14 @@ public class TestXAttrCommands {
   public void setup() throws IOException {
     errContent.reset();
     initialStdErr = System.err;
-    System.setErr(new PrintStream(errContent));
+    //System.setErr(new PrintStream(errContent));
     conf = new Configuration();
   }
   
   @After
   public void cleanUp() throws Exception {
     errContent.reset();
-    System.setErr(initialStdErr);
+    //System.setErr(initialStdErr);
   }
 
   @Test

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestDecayRpcScheduler.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestDecayRpcScheduler.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestDecayRpcScheduler.java
index 10ab40a..dba1e24 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestDecayRpcScheduler.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ipc/TestDecayRpcScheduler.java
@@ -259,7 +259,7 @@ public class TestDecayRpcScheduler {
     PrintStream output = System.out;
     try {
       ByteArrayOutputStream bytes = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(bytes));
+      //System.setOut(new PrintStream(bytes));
 
       // initializing DefaultMetricsSystem here would set "monitoring" flag in
       // MetricsSystemImpl to true
@@ -270,7 +270,7 @@ public class TestDecayRpcScheduler {
       assertFalse(bytes.toString().contains("NullPointerException"));
     } finally {
       //set systout back
-      System.setOut(output);
+      //System.setOut(output);
     }
 
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/alias/TestCredShell.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/alias/TestCredShell.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/alias/TestCredShell.java
index 37243dd..0159a35 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/alias/TestCredShell.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/alias/TestCredShell.java
@@ -45,8 +45,8 @@ public class TestCredShell {
 
   @Before
   public void setup() throws Exception {
-    System.setOut(new PrintStream(outContent));
-    System.setErr(new PrintStream(errContent));
+    //System.setOut(new PrintStream(outContent));
+    //System.setErr(new PrintStream(errContent));
     final Path jksPath = new Path(tmpDir.toString(), "keystore.jceks");
     new File(jksPath.toString()).delete();
     jceksProvider = "jceks://file" + jksPath.toUri();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
index 029429b..6b8a64c 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
@@ -427,7 +427,7 @@ public abstract class GenericTestUtils {
       bytes = new ByteArrayOutputStream();
       bytesPrintStream = new PrintStream(bytes);
       oldErr = System.err;
-      System.setErr(new TeePrintStream(oldErr, bytesPrintStream));
+      //System.setErr(new TeePrintStream(oldErr, bytesPrintStream));
     }
 
     public String getOutput() {
@@ -437,7 +437,7 @@ public abstract class GenericTestUtils {
     @Override
     public void close() throws Exception {
       IOUtils.closeQuietly(bytesPrintStream);
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestClasspath.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestClasspath.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestClasspath.java
index e6a6cb1..4c445ff 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestClasspath.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestClasspath.java
@@ -65,17 +65,17 @@ public class TestClasspath {
 
     stdout = new ByteArrayOutputStream();
     printStdout = new PrintStream(stdout);
-    System.setOut(printStdout);
+    //System.setOut(printStdout);
 
     stderr = new ByteArrayOutputStream();
     printStderr = new PrintStream(stderr);
-    System.setErr(printStderr);
+    //System.setErr(printStderr);
   }
 
   @After
   public void tearDown() {
-    System.setOut(oldStdout);
-    System.setErr(oldStderr);
+    //System.setOut(oldStdout);
+    //System.setErr(oldStderr);
     IOUtils.cleanupWithLogger(LOG, printStdout, printStderr);
     assertTrue(FileUtil.fullyDelete(TEST_DIR));
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNativeLibraryChecker.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNativeLibraryChecker.java
 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNativeLibraryChecker.java
index 7589e5a..3a9b69e 100644
--- 
a/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNativeLibraryChecker.java
+++ 
b/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNativeLibraryChecker.java
@@ -65,7 +65,7 @@ public class TestNativeLibraryChecker extends TestCase {
     ExitUtil.disableSystemExit();
     ByteArrayOutputStream outContent = new ByteArrayOutputStream();
     PrintStream originalPs = System.out;
-    System.setOut(new PrintStream(outContent));
+    //System.setOut(new PrintStream(outContent));
     try {
       NativeLibraryChecker.main(args);
     } catch (ExitException e) {
@@ -77,7 +77,7 @@ public class TestNativeLibraryChecker extends TestCase {
       if (NativeCodeLoader.isNativeCodeLoaded()) {
         assertEquals(outContent.toString().indexOf("hadoop:  true") != -1, 
true);
       }
-      System.setOut(originalPs);
+      //System.setOut(originalPs);
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java
 
b/hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java
index 5955c61..16989f0 100644
--- 
a/hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java
+++ 
b/hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java
@@ -66,7 +66,7 @@ public class TestKMSAudit {
     memOut = new ByteArrayOutputStream();
     filterOut = new FilterOut(memOut);
     capturedOut = new PrintStream(filterOut);
-    System.setErr(capturedOut);
+    //System.setErr(capturedOut);
     PropertyConfigurator.configure(Thread.currentThread().
         getContextClassLoader()
         .getResourceAsStream("log4j-kmsaudit.properties"));
@@ -76,7 +76,7 @@ public class TestKMSAudit {
 
   @After
   public void cleanUp() {
-    System.setErr(originalOut);
+    //System.setErr(originalOut);
     LogManager.resetConfiguration();
     kmsAudit.shutdown();
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
 
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
index 98a77f8..7102185 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterAdminCLI.java
@@ -136,8 +136,8 @@ public class TestRouterAdminCLI {
   @After
   public void tearDown() {
     // set back system out/err
-    System.setOut(OLD_OUT);
-    System.setErr(OLD_ERR);
+    //System.setOut(OLD_OUT);
+    //System.setErr(OLD_ERR);
   }
 
   @Test
@@ -257,7 +257,7 @@ public class TestRouterAdminCLI {
     assertEquals(0, ToolRunner.run(admin, argv));
 
     // re-set system out for testing
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     stateStore.loadCache(MountTableStoreImpl.class, true);
     argv = new String[] {"-ls", src};
     assertEquals(0, ToolRunner.run(admin, argv));
@@ -313,7 +313,7 @@ public class TestRouterAdminCLI {
 
     // remove an invalid mount table
     String invalidPath = "/invalid";
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     argv = new String[] {"-rm", invalidPath};
     assertEquals(0, ToolRunner.run(admin, argv));
     assertTrue(out.toString().contains(
@@ -370,7 +370,7 @@ public class TestRouterAdminCLI {
   @Test
   public void testMountTablePermissions() throws Exception {
     // re-set system out for testing
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     // use superuser to add new mount table with only read permission
     String[] argv = new String[] {"-add", "/testpath2-1", "ns0", "/testdir2-1",
         "-owner", TEST_USER, "-group", TEST_USER, "-mode", "0455"};
@@ -519,7 +519,7 @@ public class TestRouterAdminCLI {
         routerContext.getRouter().getRouterState());
     assertTrue(routerContext.getRouter().getSafemodeService().isInSafeMode());
 
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     assertEquals(0, ToolRunner.run(admin,
         new String[] {"-safemode", "get"}));
     assertTrue(out.toString().contains("true"));
@@ -575,7 +575,7 @@ public class TestRouterAdminCLI {
         new String[] {"-nameservice", "disable", "ns0"}));
 
     stateStore.loadCache(DisabledNameserviceStoreImpl.class, true);
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     assertEquals(0, ToolRunner.run(admin,
         new String[] {"-getDisabledNameservices"}));
     assertTrue("ns0 should be reported: " + out,
@@ -593,7 +593,7 @@ public class TestRouterAdminCLI {
         out.toString().contains("ns0"));
 
     // Wrong commands
-    System.setErr(new PrintStream(err));
+    //System.setErr(new PrintStream(err));
     assertEquals(-1, ToolRunner.run(admin,
         new String[] {"-nameservice", "enable"}));
     String msg = "Not enough parameters specificed for cmd -nameservice";
@@ -624,7 +624,7 @@ public class TestRouterAdminCLI {
 
   @Test
   public void testUpdateNonExistingMountTable() throws Exception {
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     String nsId = "ns0";
     String src = "/test-updateNonExistingMounttable";
     String dest = "/updateNonExistingMounttable";

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
index e690c6d..088cf59 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
@@ -1706,16 +1706,16 @@ public class DFSTestUtil {
     try {
       ByteArrayOutputStream bs = new ByteArrayOutputStream(1024);
       try (PrintStream out = new PrintStream(bs)) {
-        System.setOut(out);
-        System.setErr(out);
+        //System.setOut(out);
+        //System.setErr(out);
         ret = tool.run(cmds);
         System.out.flush();
         System.err.flush();
       }
       output = bs.toString();
     } finally {
-      System.setOut(origOut);
-      System.setErr(origErr);
+      //System.setOut(origOut);
+      //System.setErr(origErr);
     }
     System.out.println("Output for command: " + cmd + " retcode: " + ret);
     if (output != null) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java
index 6bbe3a1..0190ca2 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBalancerBandwidth.java
@@ -120,7 +120,7 @@ public class TestBalancerBandwidth {
     PrintStream initialStdOut = System.out;
     outContent.reset();
     try {
-      System.setOut(outStream);
+      //System.setOut(outStream);
       int exitCode = admin.run(args);
       assertEquals("DFSAdmin should return 0", 0, exitCode);
       String bandwidthOutMsg = "Balancer bandwidth is " + expectedBandwidth
@@ -128,7 +128,7 @@ public class TestBalancerBandwidth {
       String strOut = new String(outContent.toByteArray(), UTF8);
       assertTrue("Wrong balancer bandwidth!", 
strOut.contains(bandwidthOutMsg));
     } finally {
-      System.setOut(initialStdOut);
+      //System.setOut(initialStdOut);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
index ce8694a..555b674 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSShell.java
@@ -233,7 +233,7 @@ public class TestDFSShell {
     PrintStream psBackup = System.out;
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     PrintStream psOut = new PrintStream(out);
-    System.setOut(psOut);
+    //System.setOut(psOut);
     FsShell shell = new FsShell(dfs.getConf());
     try {
       Path myPath = new Path("/testDu/dir");
@@ -290,7 +290,7 @@ public class TestDFSShell {
       Long combinedLength = myFileLength + myFile2Length;
       assertThat(returnString, containsString(combinedLength.toString()));
     } finally {
-      System.setOut(psBackup);
+      //System.setOut(psBackup);
     }
                                   
   }
@@ -304,7 +304,7 @@ public class TestDFSShell {
     final FsShell shell = new FsShell(dfs.getConf());
 
     try {
-      System.setOut(psOut);
+      //System.setOut(psOut);
       final Path parent = new Path("/testDuSnapshots");
       final Path dir = new Path(parent, "dir");
       mkdir(dfs, dir);
@@ -407,7 +407,7 @@ public class TestDFSShell {
       assertTrue(returnString.contains(exludeSnapshotLength.toString()));
       out.reset();
     } finally {
-      System.setOut(psBackup);
+      //System.setOut(psBackup);
     }
   }
 
@@ -416,7 +416,7 @@ public class TestDFSShell {
     final PrintStream psBackup = System.out;
     final ByteArrayOutputStream out = new ByteArrayOutputStream();
     final PrintStream psOut = new PrintStream(out);
-    System.setOut(psOut);
+    //System.setOut(psOut);
     final FsShell shell = new FsShell(dfs.getConf());
 
     try {
@@ -491,7 +491,7 @@ public class TestDFSShell {
       assertEquals(file2Length + newFileLength, in.nextLong()); //CONTENT_SIZE
       out.reset();
     } finally {
-      System.setOut(psBackup);
+      //System.setOut(psBackup);
     }
   }
 
@@ -590,7 +590,7 @@ public class TestDFSShell {
       bak = System.err;
       ByteArrayOutputStream out = new ByteArrayOutputStream();
       PrintStream tmp = new PrintStream(out);
-      System.setErr(tmp);
+      //System.setErr(tmp);
       String[] argv = new String[2];
       argv[0] = "-cat";
       argv[1] = root.toUri().getPath();
@@ -719,7 +719,7 @@ public class TestDFSShell {
       assertTrue(returned.isEmpty());
     } finally {
       if (bak != null) {
-        System.setErr(bak);
+        //System.setErr(bak);
       }
     }
   }
@@ -860,7 +860,7 @@ public class TestDFSShell {
       pout.write(text.getBytes());
     }
     final ByteArrayOutputStream out = new ByteArrayOutputStream();
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     final String[] argv = new String[]{"-tail", testFile.toString()};
     final int ret = ToolRunner.run(new FsShell(dfs.getConf()), argv);
 
@@ -882,7 +882,7 @@ public class TestDFSShell {
     dfs.create(testFile);
 
     final ByteArrayOutputStream out = new ByteArrayOutputStream();
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
     final Thread tailer = new Thread() {
       @Override
       public void run() {
@@ -950,7 +950,7 @@ public class TestDFSShell {
       zout.close();
 
       ByteArrayOutputStream out = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
 
       String[] argv = new String[2];
       argv[0] = "-text";
@@ -970,7 +970,7 @@ public class TestDFSShell {
       writer.append(new Text("Foo"), new Text("Bar"));
       writer.close();
       out = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
       argv = new String[2];
       argv[0] = "-text";
       argv[1] = new Path(root, "file.gz").toString();
@@ -987,7 +987,7 @@ public class TestDFSShell {
       dout.write(outbytes);
       dout.close();
       out = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
       argv = new String[2];
       argv[0] = "-text";
       argv[1] = new Path(root, "file.deflate").toString();
@@ -1008,7 +1008,7 @@ public class TestDFSShell {
       fout.write(writebytes);
       fout.close();
       out = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
       argv = new String[2];
       argv[0] = "-text";
       argv[1] = new Path(root, p).toString();
@@ -1019,7 +1019,7 @@ public class TestDFSShell {
       out.reset();
     } finally {
       if (null != bak) {
-        System.setOut(bak);
+        //System.setOut(bak);
       }
     }
   }
@@ -1152,7 +1152,7 @@ public class TestDFSShell {
     ByteArrayOutputStream bytes = new ByteArrayOutputStream(); 
     PrintStream out = new PrintStream(bytes);
     PrintStream oldOut = System.out;
-    System.setOut(out);
+    //System.setOut(out);
     Scanner in = null;
     String results = null;
     try {
@@ -1162,7 +1162,7 @@ public class TestDFSShell {
       assertEquals(dirs, in.nextLong());
       assertEquals(files, in.nextLong());
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       if (in!=null) in.close();
       IOUtils.closeStream(out);
       System.out.println("results:\n" + results);
@@ -1812,7 +1812,7 @@ public class TestDFSShell {
           FsShell fshell = new FsShell(dfs.getConf());
           ByteArrayOutputStream out = new ByteArrayOutputStream();
           PrintStream tmp = new PrintStream(out);
-          System.setErr(tmp);
+          //System.setErr(tmp);
           String[] args = new String[2];
           args[0] = "-ls";
           args[1] = "/foo";
@@ -1827,7 +1827,7 @@ public class TestDFSShell {
       });
     } finally {
       if (bak != null) {
-        System.setErr(bak);
+        //System.setErr(bak);
       }
     }
   }
@@ -1945,7 +1945,7 @@ public class TestDFSShell {
     final String atime2 = fmt.format(new Date(status2.getAccessTime()));
 
     final ByteArrayOutputStream out = new ByteArrayOutputStream();
-    System.setOut(new PrintStream(out));
+    //System.setOut(new PrintStream(out));
 
     doFsStat(dfs.getConf(), null);
 
@@ -2043,15 +2043,15 @@ public class TestDFSShell {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     final PrintStream oldErr = System.err;
-    System.setOut(out);
-    System.setErr(out);
+    //System.setOut(out);
+    //System.setErr(out);
     final String results;
     try {
       assertEquals(returnvalue, shell.run(new String[]{"-lsr", root}));
       results = bytes.toString();
     } finally {
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
       IOUtils.closeStream(out);
     }
     System.out.println("results:\n" + results);
@@ -2662,8 +2662,8 @@ public class TestDFSShell {
       final ByteArrayOutputStream bao = new ByteArrayOutputStream();
       final PrintStream capture = new PrintStream(bao);
 
-      System.setOut(capture);
-      System.setErr(capture);
+      //System.setOut(capture);
+      //System.setErr(capture);
 
       final String[] argv = new String[] { "-setrep", "1", hdfsFile.toString() 
};
 
@@ -2671,8 +2671,8 @@ public class TestDFSShell {
         assertEquals("Command did not return the expected exit code",
             1, shell.run(argv));
       } finally {
-        System.setOut(origOut);
-        System.setErr(origErr);
+        //System.setOut(origOut);
+        //System.setErr(origErr);
       }
 
       assertTrue("Error message is not the expected error message"
@@ -2865,7 +2865,7 @@ public class TestDFSShell {
       bak = System.err;
       final FsShell fshell = new FsShell(dfs.getConf());
       final ByteArrayOutputStream out = new ByteArrayOutputStream();
-      System.setErr(new PrintStream(out));
+      //System.setErr(new PrintStream(out));
       
       // No permission to write xattr
       dfs.setPermission(p, new FsPermission((short) 0700));
@@ -2914,7 +2914,7 @@ public class TestDFSShell {
       });
     } finally {
       if (bak != null) {
-        System.setErr(bak);
+        //System.setErr(bak);
       }
     }
   }
@@ -2930,7 +2930,7 @@ public class TestDFSShell {
 
       final FsShell fshell = new FsShell(dfs.getConf());
       final ByteArrayOutputStream out = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
 
       doSetXattr(out, fshell,
         new String[] {"-setfattr", "-n", "User.Foo", p.toString()},
@@ -2977,7 +2977,7 @@ public class TestDFSShell {
 
     } finally {
       if (bak != null) {
-        System.setOut(bak);
+        //System.setOut(bak);
       }
     }
   }
@@ -3054,7 +3054,7 @@ public class TestDFSShell {
 
       final FsShell fshell = new FsShell(dfs.getConf());
       final ByteArrayOutputStream out = new ByteArrayOutputStream();
-      System.setErr(new PrintStream(out));
+      //System.setErr(new PrintStream(out));
 
       //Test 1.  Let user1 be owner for /foo
       user1.doAs(new PrivilegedExceptionAction<Object>() {
@@ -3196,7 +3196,7 @@ public class TestDFSShell {
       });
     } finally {
       if (bak != null) {
-        System.setErr(bak);
+        //System.setErr(bak);
       }
     }
   }
@@ -3219,7 +3219,7 @@ public class TestDFSShell {
 
       final FsShell fshell = new FsShell(dfs.getConf());
       final ByteArrayOutputStream out = new ByteArrayOutputStream();
-      System.setErr(new PrintStream(out));
+      //System.setErr(new PrintStream(out));
 
       // No permission for "other".
       dfs.setPermission(p, new FsPermission((short) 0700));
@@ -3256,7 +3256,7 @@ public class TestDFSShell {
       }
     } finally {
       if (bakErr != null) {
-        System.setErr(bakErr);
+        //System.setErr(bakErr);
       }
     }
   }
@@ -3325,7 +3325,7 @@ public class TestDFSShell {
     PrintStream syserr = System.err;
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream ps = new PrintStream(baos);
-    System.setErr(ps);
+    //System.setErr(ps);
     try {
       runCmd(shell, "-ls", "/.reserved");
       assertEquals(0, baos.toString().length());
@@ -3333,7 +3333,7 @@ public class TestDFSShell {
       runCmd(shell, "-ls", "/.reserved/raw/.reserved");
       assertTrue(baos.toString().contains("No such file or directory"));
     } finally {
-      System.setErr(syserr);
+      //System.setErr(syserr);
       cluster.shutdown();
     }
   }
@@ -3386,13 +3386,13 @@ public class TestDFSShell {
     PrintStream syserr = System.err;
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream ps = new PrintStream(baos);
-    System.setErr(ps);
+    //System.setErr(ps);
     try {
       FsShell shell = new FsShell(dfs.getConf());
       runCmd(shell, "-cp", src.toString(), "/.reserved");
       assertTrue(baos.toString().contains("Invalid path name /.reserved"));
     } finally {
-      System.setErr(syserr);
+      //System.setErr(syserr);
     }
   }
 
@@ -3402,13 +3402,13 @@ public class TestDFSShell {
     PrintStream syserr = System.err;
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream ps = new PrintStream(baos);
-    System.setErr(ps);
+    //System.setErr(ps);
     try {
       FsShell shell = new FsShell(dfs.getConf());
       runCmd(shell, "-chmod", "777", "/.reserved");
       assertTrue(baos.toString().contains("Invalid path name /.reserved"));
     } finally {
-      System.setErr(syserr);
+      //System.setErr(syserr);
     }
   }
 
@@ -3418,13 +3418,13 @@ public class TestDFSShell {
     PrintStream syserr = System.err;
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream ps = new PrintStream(baos);
-    System.setErr(ps);
+    //System.setErr(ps);
     try {
       FsShell shell = new FsShell(dfs.getConf());
       runCmd(shell, "-chown", "user1", "/.reserved");
       assertTrue(baos.toString().contains("Invalid path name /.reserved"));
     } finally {
-      System.setErr(syserr);
+      //System.setErr(syserr);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java
index cc456b2..b54b15e 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFsShellPermission.java
@@ -99,11 +99,11 @@ public class TestFsShellPermission {
     PrintStream old = System.out;
     int ret;
     try {
-      System.setOut(out);
+      //System.setOut(out);
       ret = shell.run(args);
       out.close();
     } finally {
-      System.setOut(old);
+      //System.setOut(old);
     }
     return String.valueOf(ret);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
index e0dfb4a..0c5ef0d 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
@@ -1139,8 +1139,8 @@ public class TestMaintenanceState extends 
AdminStatesBaseTest {
   public void testReportMaintenanceNodes() throws Exception {
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     ByteArrayOutputStream err = new ByteArrayOutputStream();
-    System.setOut(new PrintStream(out));
-    System.setErr(new PrintStream(err));
+    //System.setOut(new PrintStream(out));
+    //System.setErr(new PrintStream(err));
 
     LOG.info("Starting testReportMaintenanceNodes");
     int expirationInMs = 30 * 1000;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
index bf044e6..b13c6de 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
@@ -122,8 +122,8 @@ public class TestQuota {
   }
 
   private static void redirectStream() {
-    System.setOut(new PrintStream(OUT_STREAM));
-    System.setErr(new PrintStream(ERR_STREAM));
+    //System.setOut(new PrintStream(OUT_STREAM));
+    //System.setErr(new PrintStream(ERR_STREAM));
   }
 
   private static void resetStream() {
@@ -137,8 +137,8 @@ public class TestQuota {
       System.out.flush();
       System.err.flush();
     } finally {
-      System.setOut(OLD_OUT);
-      System.setErr(OLD_ERR);
+      //System.setOut(OLD_OUT);
+      //System.setErr(OLD_ERR);
     }
 
     if (cluster != null) {
@@ -1148,7 +1148,7 @@ public class TestQuota {
     ByteArrayOutputStream err = new ByteArrayOutputStream();
     PrintStream oldErr = System.err;
     try {
-      System.setErr(new PrintStream(err));
+      //System.setErr(new PrintStream(err));
       String[] args =
           { "-setSpaceQuota", "100", "-storageType", "COLD", "/testDir" };
       admin.run(args);
@@ -1156,7 +1156,7 @@ public class TestQuota {
       assertTrue(
           
errOutput.contains(StorageType.getTypesSupportingQuota().toString()));
     } finally {
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
index d5a3948..549487e 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestClusterId.java
@@ -235,14 +235,14 @@ public class TestClusterId {
     PrintStream origErr = System.err;
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream stdErr = new PrintStream(baos);
-    System.setErr(stdErr);
+    //System.setErr(stdErr);
     try {
       NameNode.createNameNode(argv, config);
 
       // Check if usage is printed
       assertTrue(baos.toString("UTF-8").contains("Usage: hdfs namenode"));
     } finally {
-      System.setErr(origErr);
+      //System.setErr(origErr);
     }
 
     // check if the version file does not exists.
@@ -263,14 +263,14 @@ public class TestClusterId {
     PrintStream origErr = System.err;
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream stdErr = new PrintStream(baos);
-    System.setErr(stdErr);
+    //System.setErr(stdErr);
     try {
       NameNode.createNameNode(argv, config);
 
       // Check if usage is printed
       assertTrue(baos.toString("UTF-8").contains("Usage: hdfs namenode"));
     } finally {
-      System.setErr(origErr);
+      //System.setErr(origErr);
     }
 
     // check if the version file does not exists.
@@ -292,14 +292,14 @@ public class TestClusterId {
     PrintStream origErr = System.err;
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream stdErr = new PrintStream(baos);
-    System.setErr(stdErr);
+    //System.setErr(stdErr);
     try {
       NameNode.createNameNode(argv, config);
 
       // Check if usage is printed
       assertTrue(baos.toString("UTF-8").contains("Usage: hdfs namenode"));
     } finally {
-      System.setErr(origErr);
+      //System.setErr(origErr);
     }
 
     // check if the version file does not exists.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
index cbb7970..7585945 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
@@ -181,7 +181,7 @@ public class TestDecommissioningStatus {
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     PrintStream ps = new PrintStream(baos);
     PrintStream oldOut = System.out;
-    System.setOut(ps);
+    //System.setOut(ps);
     try {
       // Parse DFSAdmin just to check the count
       admin.report(new String[] {"-decommissioning"}, 0);
@@ -216,7 +216,7 @@ public class TestDecommissioningStatus {
             decomming.contains(id));
       }
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java
index e1663e2..e7c71f4 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetadataVersionOutput.java
@@ -76,7 +76,7 @@ public class TestMetadataVersionOutput {
     final ByteArrayOutputStream baos = new ByteArrayOutputStream();
     final PrintStream stdOut = new PrintStream(baos);
     try {
-      System.setOut(stdOut);
+      //System.setOut(stdOut);
       try {
         NameNode.createNameNode(new String[] { "-metadataVersion" }, conf);
       } catch (Exception e) {
@@ -89,7 +89,7 @@ public class TestMetadataVersionOutput {
       assertTrue(baos.toString("UTF-8").
           contains("Software format version: " + verNumStr));
     } finally {
-      System.setOut(origOut);
+      //System.setOut(origOut);
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
index 8bd7967..719cd89 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
@@ -1052,8 +1052,8 @@ public class TestSnapshotDeletion {
     PrintStream oldOut = System.out;
     PrintStream oldErr = System.err;
     try {
-      System.setOut(psOut);
-      System.setErr(psOut);
+      //System.setOut(psOut);
+      //System.setErr(psOut);
       FsShell shell = new FsShell();
       shell.setConf(conf);
 
@@ -1072,8 +1072,8 @@ public class TestSnapshotDeletion {
       psOut.close();
       out.close();
     } finally {
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
index 90e499d..3dc8df4 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
@@ -212,8 +212,8 @@ public class TestSnapshotFileLength {
     PrintStream outBackup = System.out;
     PrintStream errBackup = System.err;
     ByteArrayOutputStream bao = new ByteArrayOutputStream();
-    System.setOut(new PrintStream(bao));
-    System.setErr(new PrintStream(bao));
+    //System.setOut(new PrintStream(bao));
+    //System.setErr(new PrintStream(bao));
     // Make sure we can cat the file upto to snapshot length
     FsShell shell = new FsShell();
     try {
@@ -221,8 +221,8 @@ public class TestSnapshotFileLength {
       "/TestSnapshotFileLength/sub1/.snapshot/snapshot1/file1" });
       assertEquals("Unexpected # bytes from -cat", BLOCKSIZE, bao.size());
     } finally {
-      System.setOut(outBackup);
-      System.setErr(errBackup);
+      //System.setOut(outBackup);
+      //System.setErr(errBackup);
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java
index 2905fcf..a2ef169 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotRename.java
@@ -257,8 +257,8 @@ public class TestSnapshotRename {
     PrintStream oldOut = System.out;
     PrintStream oldErr = System.err;
     try {
-      System.setOut(psOut);
-      System.setErr(psOut);
+      //System.setOut(psOut);
+      //System.setErr(psOut);
       FsShell shell = new FsShell();
       shell.setConf(conf);
 
@@ -277,8 +277,8 @@ public class TestSnapshotRename {
       psOut.close();
       out.close();
     } finally {
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
index 58ad52c..d9ed683 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
@@ -105,8 +105,8 @@ public class TestDFSAdmin {
   }
 
   private void redirectStream() {
-    System.setOut(new PrintStream(out));
-    System.setErr(new PrintStream(err));
+    //System.setOut(new PrintStream(out));
+    //System.setErr(new PrintStream(err));
   }
 
   private void resetStream() {
@@ -120,8 +120,8 @@ public class TestDFSAdmin {
       System.out.flush();
       System.err.flush();
     } finally {
-      System.setOut(OLD_OUT);
-      System.setErr(OLD_ERR);
+      //System.setOut(OLD_OUT);
+      //System.setErr(OLD_ERR);
     }
 
     if (cluster != null) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
index 0874f0e..40260dc 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
@@ -93,8 +93,8 @@ public class TestDFSAdminWithHA {
     admin.setConf(conf);
     assertTrue(HAUtil.isHAEnabled(conf, "ns1"));
 
-    System.setOut(new PrintStream(out));
-    System.setErr(new PrintStream(err));
+    //System.setOut(new PrintStream(out));
+    //System.setErr(new PrintStream(err));
 
     // Reduce the number of retries to speed up the tests.
     conf.setInt(
@@ -114,8 +114,8 @@ public class TestDFSAdminWithHA {
       System.out.flush();
       System.err.flush();
     } finally {
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
     if (admin != null) {
       admin.close();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java
index 5c890a5..eb51580 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDebugAdmin.java
@@ -76,14 +76,14 @@ public class TestDebugAdmin {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldErr = System.err;
     final PrintStream oldOut = System.out;
-    System.setErr(out);
-    System.setOut(out);
+    //System.setErr(out);
+    //System.setOut(out);
     int ret;
     try {
       ret = admin.run(cmd);
     } finally {
-      System.setErr(oldErr);
-      System.setOut(oldOut);
+      //System.setErr(oldErr);
+      //System.setOut(oldOut);
       IOUtils.closeStream(out);
     }
     return "ret: " + ret + ", " +

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
index bbe1c2e..c064733 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineEditsViewer/TestOfflineEditsViewer.java
@@ -296,7 +296,7 @@ public class TestOfflineEditsViewer {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     try {
-      System.setOut(out);
+      //System.setOut(out);
       int status = new OfflineEditsViewer().run(new String[] { "-h" });
       assertTrue("" + "Exit code returned for help option is incorrect",
           status == 0);
@@ -304,7 +304,7 @@ public class TestOfflineEditsViewer {
           "Invalid Command error displayed when help option is passed.", bytes
               .toString().contains("Error parsing command-line options"));
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       IOUtils.closeStream(out);
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
index d0a7567..6e4f989 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/offlineImageViewer/TestOfflineImageViewer.java
@@ -428,7 +428,7 @@ public class TestOfflineImageViewer {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     try {
-      System.setOut(out);
+      //System.setOut(out);
       int status = OfflineImageViewerPB.run(new String[] { "-h" });
       assertTrue("Exit code returned for help option is incorrect", status == 
0);
       Assert.assertFalse(
@@ -442,7 +442,7 @@ public class TestOfflineImageViewer {
           "Exit code returned for help with other option is incorrect",
           status == -1);
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       IOUtils.closeStream(out);
     }
   }
@@ -637,7 +637,7 @@ public class TestOfflineImageViewer {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     try {
-      System.setOut(out);
+      //System.setOut(out);
       // Add the -h option to make the test only for option parsing,
       // and don't need to do the following operations.
       OfflineImageViewer.main(new String[] {"-i", "-", "-o", "-", "-p",
@@ -645,7 +645,7 @@ public class TestOfflineImageViewer {
       Assert.assertFalse(bytes.toString().contains(
           "Error parsing command-line options: "));
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       IOUtils.closeStream(out);
     }
   }
@@ -656,7 +656,7 @@ public class TestOfflineImageViewer {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     try {
-      System.setOut(out);
+      //System.setOut(out);
       int status =
           OfflineImageViewerPB.run(new String[] {"-i",
               originalFsimage.getAbsolutePath(), "-o", "-", "-p",
@@ -665,7 +665,7 @@ public class TestOfflineImageViewer {
       assertEquals(0, status);
       Assert.assertTrue(bytes.toString().contains("(0 B, 8 B]"));
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       IOUtils.closeStream(out);
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
index a61420c..9c123be 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestJMXGet.java
@@ -143,7 +143,7 @@ public class TestJMXGet {
     PipedOutputStream pipeOut = new PipedOutputStream();
     PipedInputStream pipeIn = new PipedInputStream(pipeOut, 1024 * 1024);
     PrintStream oldErr = System.err;
-    System.setErr(new PrintStream(pipeOut));
+    //System.setErr(new PrintStream(pipeOut));
     try {
       jmx.printAllValues();
       if ((size = pipeIn.available()) != 0) {
@@ -153,7 +153,7 @@ public class TestJMXGet {
       pipeOut.close();
       pipeIn.close();
     } finally {
-      System.setErr(oldErr);
+      //System.setErr(oldErr);
     }
     return bytes != null ? new String(bytes).contains(pattern) : false;
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java
index e2f1011..ef6e6c5 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestTools.java
@@ -110,9 +110,9 @@ public class TestTools {
       PipedOutputStream pipeOut = new PipedOutputStream();
       PipedInputStream pipeIn = new PipedInputStream(pipeOut, 
PIPE_BUFFER_SIZE);
       if (out == System.out) {
-        System.setOut(new PrintStream(pipeOut));
+        //System.setOut(new PrintStream(pipeOut));
       } else if (out == System.err) {
-        System.setErr(new PrintStream(pipeOut));
+        //System.setErr(new PrintStream(pipeOut));
       }
 
       if (clazz == DelegationTokenFetcher.class) {
@@ -129,8 +129,8 @@ public class TestTools {
     } catch (Exception ex) {
       fail("checkOutput error " + ex);
     } finally {
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
----------------------------------------------------------------------
diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
index ee9494b..fdd49ee 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTraceAdmin.java
@@ -51,8 +51,8 @@ public class TestTraceAdmin extends SaslDataTransferTestCase {
     PrintStream ps = new PrintStream(baos);
     PrintStream oldStdout = System.out;
     PrintStream oldStderr = System.err;
-    System.setOut(ps);
-    System.setErr(ps);
+    //System.setOut(ps);
+    //System.setErr(ps);
     int ret = -1;
     try {
       ret = trace.run(cmd);
@@ -60,8 +60,8 @@ public class TestTraceAdmin extends SaslDataTransferTestCase {
       try {
         System.out.flush();
       } finally {
-        System.setOut(oldStdout);
-        System.setErr(oldStderr);
+        //System.setOut(oldStdout);
+        //System.setErr(oldStderr);
       }
     }
     return "ret:" + ret + ", " + baos.toString();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java
----------------------------------------------------------------------
diff --git 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java
 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java
index cb5301f..2d6bc14 100644
--- 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java
+++ 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java
@@ -350,7 +350,7 @@ public class TestJobHistoryParsing {
     // test output for HistoryViewer
     PrintStream stdps = System.out;
     try {
-      System.setOut(new PrintStream(outContent));
+      //System.setOut(new PrintStream(outContent));
       HistoryViewer viewer;
       synchronized (fileInfo) {
         viewer = new HistoryViewer(fc.makeQualified(
@@ -370,7 +370,7 @@ public class TestJobHistoryParsing {
             taskInfo.getTaskId().toString()) > 0);
       }
     } finally {
-      System.setOut(stdps);
+      //System.setOut(stdps);
 
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java
----------------------------------------------------------------------
diff --git 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java
 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java
index 45c7d1f..84d0021 100644
--- 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java
+++ 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestNetworkedJob.java
@@ -325,13 +325,13 @@ public class TestNetworkedJob {
       JobQueueClient jobClient = new JobQueueClient(job);
 
       ByteArrayOutputStream bytes = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(bytes));
+      //System.setOut(new PrintStream(bytes));
       String[] arg = { "-list" };
       jobClient.run(arg);
       assertTrue(bytes.toString().contains("Queue Name : default"));
       assertTrue(bytes.toString().contains("Queue State : running"));
       bytes = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(bytes));
+      //System.setOut(new PrintStream(bytes));
       String[] arg1 = { "-showacls" };
       jobClient.run(arg1);
       assertTrue(bytes.toString().contains("Queue acls for user :"));
@@ -343,7 +343,7 @@ public class TestNetworkedJob {
       // test for info and default queue
 
       bytes = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(bytes));
+      //System.setOut(new PrintStream(bytes));
       String[] arg2 = { "-info", "default" };
       jobClient.run(arg2);
       assertTrue(bytes.toString().contains("Queue Name : default"));
@@ -352,7 +352,7 @@ public class TestNetworkedJob {
 
       // test for info , default queue and jobs
       bytes = new ByteArrayOutputStream();
-      System.setOut(new PrintStream(bytes));
+      //System.setOut(new PrintStream(bytes));
       String[] arg3 = { "-info", "default", "-showJobs" };
       jobClient.run(arg3);
       assertTrue(bytes.toString().contains("Queue Name : default"));
@@ -365,7 +365,7 @@ public class TestNetworkedJob {
 
       
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
       if (fileSys != null) {
         fileSys.delete(testDir, true);
       }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/pipes/TestPipeApplication.java
----------------------------------------------------------------------
diff --git 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/pipes/TestPipeApplication.java
 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/pipes/TestPipeApplication.java
index 9b88c5c..d103af0 100644
--- 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/pipes/TestPipeApplication.java
+++ 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/pipes/TestPipeApplication.java
@@ -272,7 +272,7 @@ public class TestPipeApplication {
     ExitUtil.disableSystemExit();
     // test without parameters
     try {
-      System.setOut(new PrintStream(out));
+      //System.setOut(new PrintStream(out));
       Submitter.main(new String[0]);
       fail();
     } catch (ExitUtil.ExitException e) {
@@ -321,7 +321,7 @@ public class TestPipeApplication {
           "-archives <archive1,...>          specify a comma-separated list of 
"
               + "archives to be unarchived on the compute machines"));
     } finally {
-      System.setOut(oldps);
+      //System.setOut(oldps);
       // restore
       System.setSecurityManager(securityManager);
       if (psw != null) {
@@ -372,7 +372,7 @@ public class TestPipeApplication {
       assertEquals(e.status, 0);
 
     } finally {
-      System.setOut(oldps);
+      //System.setOut(oldps);
       System.setSecurityManager(securityManager);
     }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
----------------------------------------------------------------------
diff --git 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
index 747cd9f..a9e6314 100644
--- 
a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
+++ 
b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMRJobClient.java
@@ -95,10 +95,10 @@ public class TestMRJobClient extends 
ClusterMapReduceTestCase {
     PrintStream oldOut = System.out;
     PrintStream newOut = new PrintStream(out, true);
     try {
-      System.setOut(newOut);
+      //System.setOut(newOut);
       return ToolRunner.run(conf, tool, args);
     } finally {
-      System.setOut(oldOut);
+      //System.setOut(oldOut);
     }
   }
 
@@ -265,7 +265,7 @@ public class TestMRJobClient extends 
ClusterMapReduceTestCase {
   private void startStop() {
     ByteArrayOutputStream data = new ByteArrayOutputStream();
     PrintStream error = System.err;
-    System.setErr(new PrintStream(data));
+    //System.setErr(new PrintStream(data));
     ExitUtil.disableSystemExit();
     try {
       CLI.main(new String[0]);
@@ -277,7 +277,7 @@ public class TestMRJobClient extends 
ClusterMapReduceTestCase {
     } catch (Exception e) {
 
     } finally {
-      System.setErr(error);
+      //System.setErr(error);
     }
     // in console should be written help text 
     String s = new String(data.toByteArray());

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-ant/src/main/java/org/apache/hadoop/ant/DfsTask.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-ant/src/main/java/org/apache/hadoop/ant/DfsTask.java 
b/hadoop-tools/hadoop-ant/src/main/java/org/apache/hadoop/ant/DfsTask.java
index 36119f5..1856d5c 100644
--- a/hadoop-tools/hadoop-ant/src/main/java/org/apache/hadoop/ant/DfsTask.java
+++ b/hadoop-tools/hadoop-ant/src/main/java/org/apache/hadoop/ant/DfsTask.java
@@ -148,8 +148,8 @@ public class DfsTask extends Task {
     antOut = System.out;
     antErr = System.err;
     try {
-      System.setOut(new PrintStream(out, false, "UTF-8"));
-      System.setErr(out == err ?
+      //System.setOut(new PrintStream(out, false, "UTF-8"));
+      //System.setErr(out == err ?
           System.out : new PrintStream(err, false, "UTF-8"));
     } catch (UnsupportedEncodingException ignored) {
     }
@@ -167,8 +167,8 @@ public class DfsTask extends Task {
     if (out != err && errprop != null && !System.err.checkError())
       getProject().setNewProperty(errprop, err.toString());
 
-    System.setErr(antErr);
-    System.setOut(antOut);
+    //System.setErr(antErr);
+    //System.setOut(antOut);
     confloader.cleanup();
     confloader.setParent(null);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-archives/src/test/java/org/apache/hadoop/tools/TestHadoopArchives.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-archives/src/test/java/org/apache/hadoop/tools/TestHadoopArchives.java
 
b/hadoop-tools/hadoop-archives/src/test/java/org/apache/hadoop/tools/TestHadoopArchives.java
index c63bc42..02bb5c5 100644
--- 
a/hadoop-tools/hadoop-archives/src/test/java/org/apache/hadoop/tools/TestHadoopArchives.java
+++ 
b/hadoop-tools/hadoop-archives/src/test/java/org/apache/hadoop/tools/TestHadoopArchives.java
@@ -186,7 +186,7 @@ public class TestHadoopArchives {
     PrintStream stderr = System.err;
     ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
     PrintStream newErr = new PrintStream(byteStream);
-    System.setErr(newErr);
+    //System.setErr(newErr);
 
     // fail if the archive path already exists
     createFile(archivePath, fs, harName);
@@ -210,7 +210,7 @@ public class TestHadoopArchives {
     Assert.assertTrue(output.indexOf("Destination " + archivePath2.toString()
         + " should be a directory but is a file") != -1);
 
-    System.setErr(stderr);
+    //System.setErr(stderr);
   }
 
   @Test
@@ -296,16 +296,16 @@ public class TestHadoopArchives {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     final PrintStream oldErr = System.err;
-    System.setOut(out);
-    System.setErr(out);
+    //System.setOut(out);
+    //System.setErr(out);
     final String results;
     try {
       Assert.assertEquals(0, shell.run(new String[] { "-lsr", dir }));
       results = bytes.toString();
     } finally {
       IOUtils.closeStream(out);
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
     System.out.println("lsr results:\n" + results);
     String dirname = rootDir;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSyncReverseBase.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSyncReverseBase.java
 
b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSyncReverseBase.java
index fea374e..d853c0b 100644
--- 
a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSyncReverseBase.java
+++ 
b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSyncReverseBase.java
@@ -86,16 +86,16 @@ public abstract class TestDistCpSyncReverseBase {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     final PrintStream oldErr = System.err;
-    System.setOut(out);
-    System.setErr(out);
+    //System.setOut(out);
+    //System.setErr(out);
     final String results;
     try {
       Assert.assertEquals(0, shell.run(new String[] {"-lsr", dir }));
       results = bytes.toString();
     } finally {
       IOUtils.closeStream(out);
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
     System.out.println("lsr results:\n" + results);
     String dirname = rootDir;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSystem.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSystem.java
 
b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSystem.java
index b2266b3..5d7faf5 100644
--- 
a/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSystem.java
+++ 
b/hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/TestDistCpSystem.java
@@ -107,10 +107,10 @@ public class TestDistCpSystem {
     ByteArrayOutputStream baout = new ByteArrayOutputStream();
     PrintStream out = new PrintStream(baout, true);
     PrintStream old = System.out;
-    System.setOut(out);
+    //System.setOut(out);
     shell.run(args);
     out.close();
-    System.setOut(old);
+    //System.setOut(old);
     return baout.toString();
   }
   

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestCopyFiles.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestCopyFiles.java
 
b/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestCopyFiles.java
index b28da4c..a89bc6f 100644
--- 
a/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestCopyFiles.java
+++ 
b/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestCopyFiles.java
@@ -1115,10 +1115,10 @@ public class TestCopyFiles extends TestCase {
     ByteArrayOutputStream baout = new ByteArrayOutputStream();
     PrintStream out = new PrintStream(baout, true);
     PrintStream old = System.out;
-    System.setOut(out);
+    //System.setOut(out);
     shell.run(args);
     out.close();
-    System.setOut(old);
+    //System.setOut(old);
     return baout.toString();
   }
   

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestDistCh.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestDistCh.java
 
b/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestDistCh.java
index 3704c5b..b4eb893 100644
--- 
a/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestDistCh.java
+++ 
b/hadoop-tools/hadoop-extras/src/test/java/org/apache/hadoop/tools/TestDistCh.java
@@ -206,16 +206,16 @@ public class TestDistCh extends junit.framework.TestCase {
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
     final PrintStream oldErr = System.err;
-    System.setOut(out);
-    System.setErr(out);
+    //System.setOut(out);
+    //System.setErr(out);
     final String results;
     try {
       assertEquals(returnvalue, shell.run(new String[]{"-lsr", root}));
       results = bytes.toString();
     } finally {
       IOUtils.closeStream(out);
-      System.setOut(oldOut);
-      System.setErr(oldErr);
+      //System.setOut(oldOut);
+      //System.setErr(oldErr);
     }
     System.out.println("results:\n" + results);
     return results;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSubmission.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSubmission.java
 
b/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSubmission.java
index f849843..f3c86c4 100644
--- 
a/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSubmission.java
+++ 
b/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSubmission.java
@@ -179,7 +179,7 @@ public class TestGridmixSubmission extends CommonJobTest {
     final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
     final PrintStream out = new PrintStream(bytes);
     final PrintStream oldOut = System.out;
-    System.setErr(out);
+    //System.setErr(out);
     ExitUtil.disableSystemExit();
     try {
       String[] argv = new String[0];
@@ -189,7 +189,7 @@ public class TestGridmixSubmission extends CommonJobTest {
       assertExceptionContains(ExitUtil.EXIT_EXCEPTION_MESSAGE, e);
       ExitUtil.resetFirstExitException();
     } finally {
-      System.setErr(oldOut);
+      //System.setErr(oldOut);
       System.setSecurityManager(securityManager);
     }
     String print = bytes.toString();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestDumpTypedBytes.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestDumpTypedBytes.java
 
b/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestDumpTypedBytes.java
index bbfc020..479a7b3 100644
--- 
a/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestDumpTypedBytes.java
+++ 
b/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/TestDumpTypedBytes.java
@@ -45,7 +45,7 @@ public class TestDumpTypedBytes {
     PrintStream psBackup = System.out;
     ByteArrayOutputStream out = new ByteArrayOutputStream();
     PrintStream psOut = new PrintStream(out);
-    System.setOut(psOut);
+    //System.setOut(psOut);
     DumpTypedBytes dumptb = new DumpTypedBytes(conf);
 
     try {
@@ -86,7 +86,7 @@ public class TestDumpTypedBytes {
         fs.close();
       } catch (Exception e) {
       }
-      System.setOut(psBackup);
+      //System.setOut(psBackup);
       cluster.shutdown();
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UtilTest.java
----------------------------------------------------------------------
diff --git 
a/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UtilTest.java
 
b/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UtilTest.java
index 31e4905..640602f 100644
--- 
a/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UtilTest.java
+++ 
b/hadoop-tools/hadoop-streaming/src/test/java/org/apache/hadoop/streaming/UtilTest.java
@@ -80,8 +80,8 @@ class UtilTest {
       new File(antTestDir_).mkdirs();
       File outFile = new File(antTestDir_, testName_+".log");
       PrintStream out = new PrintStream(new FileOutputStream(outFile));
-      System.setOut(out);
-      System.setErr(out);
+      //System.setOut(out);
+      //System.setErr(out);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
----------------------------------------------------------------------
diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
index 5a0f049..6b959e1 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestClusterCLI.java
@@ -50,7 +50,7 @@ public class TestClusterCLI {
     sysOut = spy(new PrintStream(sysOutStream));
     sysErrStream = new ByteArrayOutputStream();
     sysErr = spy(new PrintStream(sysErrStream));
-    System.setOut(sysOut);
+    //System.setOut(sysOut);
   }
   
   @Test

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5b580aaa/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestLogsCLI.java
----------------------------------------------------------------------
diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestLogsCLI.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestLogsCLI.java
index 7aa92f3..f539e83 100644
--- 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestLogsCLI.java
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestLogsCLI.java
@@ -99,11 +99,11 @@ public class TestLogsCLI {
   public void setUp() {
     sysOutStream = new ByteArrayOutputStream();
     sysOut =  new PrintStream(sysOutStream);
-    System.setOut(sysOut);
+    //System.setOut(sysOut);
 
     sysErrStream = new ByteArrayOutputStream();
     sysErr = new PrintStream(sysErrStream);
-    System.setErr(sysErr);
+    //System.setErr(sysErr);
   }
 
   @Test(timeout = 5000l)


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