Merging r1526366 through r1526708 from trunk to branch HDFS-2832

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1526717 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -333,6 +333,9 @@ Release 2.3.0 - UNRELEASED
     HADOOP-9915.  o.a.h.fs.Stat support on Mac OS X  (Binglin Chang via Colin
     Patrick McCabe)
 
+    HADOOP-9998.  Provide methods to clear only part of the DNSToSwitchMapping.
+    (Junping Du via Colin Patrick McCabe)
+
   OPTIMIZATIONS
 
     HADOOP-9748. Reduce blocking on UGI.ensureInitialized (daryn)
@@ -392,6 +395,12 @@ Release 2.1.2 - UNRELEASED
 
   IMPROVEMENTS
 
+    HADOOP-9948. Add a config value to CLITestHelper to skip tests on Windows.
+    (Chuan Liu via cnauroth)
+
+    HADOOP-9976. Different versions of avro and avro-maven-plugin (Karthik
+    Kambatla via Sandy Ryza)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/CachedDNSToSwitchMapping.java

@@ -154,4 +154,11 @@ public class CachedDNSToSwitchMapping extends AbstractDNSToSwitchMapping {
   public void reloadCachedMappings() {
     cache.clear();
   }
+
+  @Override
+  public void reloadCachedMappings(List<String> names) {
+    for (String name : names) {
+      cache.remove(name);
+    }
+  }
 }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/DNSToSwitchMapping.java

@@ -59,4 +59,12 @@ public interface DNSToSwitchMapping {
    * will get a chance to see the new data.
    */
   public void reloadCachedMappings();
+  
+  /**
+   * Reload cached mappings on specific nodes.
+   *
+   * If there is a cache on these nodes, this method will clear it, so that 
+   * future accesses will see updated data.
+   */
+  public void reloadCachedMappings(List<String> names);
 }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/ScriptBasedMapping.java

@@ -269,5 +269,11 @@ public final class ScriptBasedMapping extends CachedDNSToSwitchMapping {
       // Nothing to do here, since RawScriptBasedMapping has no cache, and
       // does not inherit from CachedDNSToSwitchMapping
     }
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {
+      // Nothing to do here, since RawScriptBasedMapping has no cache, and
+      // does not inherit from CachedDNSToSwitchMapping
+    }
   }
 }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/TableMapping.java

@@ -162,5 +162,12 @@ public class TableMapping extends CachedDNSToSwitchMapping {
         }
       }
     }
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {
+      // TableMapping has to reload all mappings at once, so no chance to 
+      // reload mappings on specific nodes
+      reloadCachedMappings();
+    }
   }
 }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/CLITestHelper.java

@@ -21,11 +21,10 @@ package org.apache.hadoop.cli;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.cli.util.*;
-import org.apache.hadoop.cli.util.CLITestCmd;
-import org.apache.hadoop.cli.util.CLICommand;
 import org.apache.hadoop.cli.util.CommandExecutor.Result;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
+import org.apache.hadoop.util.Shell;
 import org.apache.hadoop.util.StringUtils;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -369,6 +368,7 @@ public class CLITestHelper {
     CLITestData td = null;
     ArrayList<CLICommand> testCommands = null;
     ArrayList<CLICommand> cleanupCommands = null;
+    boolean runOnWindows = true;
     
     @Override
     public void startDocument() throws SAXException {
@@ -399,6 +399,8 @@ public class CLITestHelper {
         throws SAXException {
       if (qName.equals("description")) {
         td.setTestDesc(charString);
+      } else if (qName.equals("windows")) {
+          runOnWindows = Boolean.parseBoolean(charString);
       } else if (qName.equals("test-commands")) {
         td.setTestCommands(testCommands);
         testCommands = null;
@@ -420,8 +422,11 @@ public class CLITestHelper {
       } else if (qName.equals("expected-output")) {
         comparatorData.setExpectedOutput(charString);
       } else if (qName.equals("test")) {
-        testsFromConfigFile.add(td);
+        if (!Shell.WINDOWS || runOnWindows) {
+          testsFromConfigFile.add(td);
+        }
         td = null;
+        runOnWindows = true;
       } else if (qName.equals("mode")) {
         testMode = charString;
         if (!testMode.equals(TESTMODE_NOCOMPARE) &&

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/StaticMapping.java

@@ -152,4 +152,10 @@ public class StaticMapping extends AbstractDNSToSwitchMapping  {
     // reloadCachedMappings does nothing for StaticMapping; there is
     // nowhere to reload from since all data is in memory.
   }
+
+  @Override
+  public void reloadCachedMappings(List<String> names) {
+    // reloadCachedMappings does nothing for StaticMapping; there is
+    // nowhere to reload from since all data is in memory.
+  }
 }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestSwitchMapping.java

@@ -120,5 +120,9 @@ public class TestSwitchMapping extends Assert {
     @Override
     public void reloadCachedMappings() {
     }
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {
+    }
   }
 }

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

@@ -120,6 +120,9 @@ Trunk (Unreleased)
 
     HDFS-4904. Remove JournalService. (Arpit Agarwal via cnauroth)
 
+    HDFS-5041. Add the time of last heartbeat to dead server Web UI (Shinichi
+    Yamashita via brandonli)
+
   OPTIMIZATIONS
 
   BUG FIXES
@@ -345,6 +348,12 @@ Release 2.1.2 - UNRELEASED
     HDFS-5251. Race between the initialization of NameNode and the http
     server. (Haohui Mai via suresh)
 
+    HDFS-5258. Skip tests in TestHDFSCLI that are not applicable on Windows.
+    (Chuan Liu via cnauroth)
+
+    HDFS-5186. TestFileJournalManager fails on Windows due to file handle leaks.
+    (Chuan Liu via cnauroth)
+
 Release 2.1.1-beta - 2013-09-23
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java

@@ -886,7 +886,12 @@ public class DatanodeManager {
       // If the network location is invalid, clear the cached mappings
       // so that we have a chance to re-add this DataNode with the
       // correct network location later.
-      dnsToSwitchMapping.reloadCachedMappings();
+      List<String> invalidNodeNames = new ArrayList<String>(3);
+      // clear cache for nodes in IP or Hostname
+      invalidNodeNames.add(nodeReg.getIpAddr());
+      invalidNodeNames.add(nodeReg.getHostName());
+      invalidNodeNames.add(nodeReg.getPeerHostName());
+      dnsToSwitchMapping.reloadCachedMappings(invalidNodeNames);
       throw e;
     }
   }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java

@@ -30,6 +30,7 @@ import java.net.URLEncoder;
 import java.security.PrivilegedExceptionAction;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -786,9 +787,13 @@ class NamenodeJspHelper {
        */
 
       generateNodeDataHeader(out, d, suffix, alive, nnHttpPort, nnaddr);
+      long currentTime = Time.now();
+      long timestamp = d.getLastUpdate();
       if (!alive) {
-        out.print("<td class=\"decommissioned\"> " + 
-            d.isDecommissioned() + "\n");
+        out.print("<td class=\"lastcontact\"> "
+            + new Date(timestamp) 
+            + "<td class=\"decommissioned\"> "
+            + d.isDecommissioned() + "\n");
         return;
       }
 
@@ -801,9 +806,6 @@ class NamenodeJspHelper {
       String percentRemaining = fraction2String(d.getRemainingPercent());
 
       String adminState = d.getAdminState().toString();
-
-      long timestamp = d.getLastUpdate();
-      long currentTime = Time.now();
       
       long bpUsed = d.getBlockPoolUsed();
       String percentBpUsed = fraction2String(d.getBlockPoolUsedPercent());
@@ -954,6 +956,8 @@ class NamenodeJspHelper {
                 + "<th " + nodeHeaderStr("node")
                 + "> Node <th " + nodeHeaderStr("address")
                 + "> Transferring<br>Address <th "
+                + nodeHeaderStr("lastcontact")
+                + "> Last <br>Contact <th "
                 + nodeHeaderStr("decommissioned")
                 + "> Decommissioned\n");
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileJournalManager.java

@@ -86,24 +86,27 @@ public class TestFileJournalManager {
     EditLogInputStream elis = null;
     try {
       while ((elis = allStreams.poll()) != null) {
-        elis.skipUntil(txId);
-        while (true) {
-          FSEditLogOp op = elis.readOp();
-          if (op == null) {
-            break;
-          }
-          if (abortOnGap && (op.getTransactionId() != txId)) {
-            LOG.info("getNumberOfTransactions: detected gap at txId " +
-                fromTxId);
-            return numTransactions;
+        try {
+          elis.skipUntil(txId);
+          while (true) {
+            FSEditLogOp op = elis.readOp();
+            if (op == null) {
+              break;
+            }
+            if (abortOnGap && (op.getTransactionId() != txId)) {
+              LOG.info("getNumberOfTransactions: detected gap at txId "
+                  + fromTxId);
+              return numTransactions;
+            }
+            txId = op.getTransactionId() + 1;
+            numTransactions++;
           }
-          txId = op.getTransactionId() + 1;
-          numTransactions++;
+        } finally {
+          IOUtils.cleanup(LOG, elis);
         }
       }
     } finally {
       IOUtils.cleanup(LOG, allStreams.toArray(new EditLogInputStream[0]));
-      IOUtils.cleanup(LOG, elis);
     }
     return numTransactions;
   }

hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testHDFSConf.xml

@@ -1043,6 +1043,7 @@
 
     <test> <!-- TESTED -->
       <description>ls: Negative test for quoted /*/* globbing </description>
+      <windows>false</windows>
       <test-commands>
         <command>-fs NAMENODE -mkdir /dir0</command>
         <command>-fs NAMENODE -mkdir /dir0/dir1</command>
@@ -1062,6 +1063,7 @@
 
     <test> <!-- TESTED -->
       <description>ls: Test for quoted globbing </description>
+      <windows>false</windows>
       <test-commands>
         <command>-fs NAMENODE -mkdir /dir0</command>
         <command>-fs NAMENODE -mkdir /dir0/\*</command>
@@ -1082,6 +1084,7 @@
 
     <test> <!-- TESTED -->
       <description>rm: Test for quoted globbing </description>
+      <windows>false</windows>
       <test-commands>
         <command>-fs NAMENODE -mkdir /dir0</command>
         <command>-fs NAMENODE -mkdir /dir0/\*</command>

hadoop-mapreduce-project/CHANGES.txt

@@ -221,6 +221,15 @@ Release 2.1.2 - UNRELEASED
 
     MAPREDUCE-5503. Fixed a test issue in TestMRJobClient. (Jian He via vinodkv)
 
+    MAPREDUCE-5170. Fixed a wrong log message in CombineFileInputFormat class.
+    (Sangjin Lee via vinodkv)
+
+    MAPREDUCE-5525. Increase timeout of TestDFSIO.testAppend and
+    TestMRJobsWithHistoryService.testJobHistoryData. (Chuan Liu via cnauroth)
+
+    MAPREDUCE-5513. ConcurrentModificationException in JobControl (Robert
+    Parker via jlowe)
+
 Release 2.1.1-beta - 2013-09-23
 
   INCOMPATIBLE CHANGES
@@ -1403,6 +1412,9 @@ Release 0.23.10 - UNRELEASED
     MAPREDUCE-5504. mapred queue -info inconsistent with types (Kousuke Saruta
     via tgraves)
 
+    MAPREDUCE-5513. ConcurrentModificationException in JobControl (Robert
+    Parker via jlowe)
+
 Release 0.23.9 - 2013-07-08
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/CombineFileInputFormat.java

@@ -203,13 +203,13 @@ public abstract class CombineFileInputFormat<K, V>
                             maxSize);
     }
     if (minSizeRack != 0 && maxSize != 0 && minSizeRack > maxSize) {
-      throw new IOException("Minimum split size per rack" + minSizeRack +
+      throw new IOException("Minimum split size per rack " + minSizeRack +
                             " cannot be larger than maximum split size " +
                             maxSize);
     }
     if (minSizeRack != 0 && minSizeNode > minSizeRack) {
-      throw new IOException("Minimum split size per node" + minSizeNode +
-                            " cannot be smaller than minimum split " +
+      throw new IOException("Minimum split size per node " + minSizeNode +
+                            " cannot be larger than minimum split " +
                             "size per rack " + minSizeRack);
     }
 

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/jobcontrol/JobControl.java

@@ -79,13 +79,11 @@ public class JobControl implements Runnable {
     this.runnerState = ThreadState.READY;
   }
 	
-  private static List<ControlledJob> toList(
+  synchronized private static List<ControlledJob> toList(
                    LinkedList<ControlledJob> jobs) {
     ArrayList<ControlledJob> retv = new ArrayList<ControlledJob>();
-    synchronized (jobs) {
-      for (ControlledJob job : jobs) {
-        retv.add(job);
-      }
+    for (ControlledJob job : jobs) {
+      retv.add(job);
     }
     return retv;
   }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestJobHistoryParsing.java

@@ -98,6 +98,10 @@ public class TestJobHistoryParsing {
     @Override
     public void reloadCachedMappings() {
     }
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {	
+    }
   }
 
   @Test(timeout = 50000)

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/TestDFSIO.java

@@ -269,7 +269,7 @@ public class TestDFSIO implements Tool {
     bench.analyzeResult(fs, TestType.TEST_TYPE_READ_SKIP, execTime);
   }
 
-  @Test (timeout = 3000)
+  @Test (timeout = 6000)
   public void testAppend() throws Exception {
     FileSystem fs = cluster.getFileSystem();
     long tStart = System.currentTimeMillis();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java

@@ -111,7 +111,7 @@ public class TestMRJobsWithHistoryService {
     }
   }
 
-  @Test (timeout = 30000)
+  @Test (timeout = 90000)
   public void testJobHistoryData() throws IOException, InterruptedException,
       AvroRemoteException, ClassNotFoundException {
     if (!(new File(MiniMRYarnCluster.APPJAR)).exists()) {

hadoop-project/pom.xml

@@ -59,6 +59,9 @@
     <hadoop.common.build.dir>${basedir}/../../hadoop-common-project/hadoop-common/target</hadoop.common.build.dir>
     <java.security.egd>file:///dev/urandom</java.security.egd>
 
+    <!-- avro version -->
+    <avro.version>1.7.4</avro.version>
+
     <!-- jersey version -->
     <jersey.version>1.9</jersey.version>
 
@@ -630,7 +633,7 @@
       <dependency>
         <groupId>org.apache.avro</groupId>
         <artifactId>avro</artifactId>
-        <version>1.7.4</version>
+        <version>${avro.version}</version>
       </dependency>
       <dependency>
         <groupId>net.sf.kosmosfs</groupId>
@@ -798,7 +801,7 @@
         <plugin>
           <groupId>org.apache.avro</groupId>
           <artifactId>avro-maven-plugin</artifactId>
-          <version>1.5.3</version>
+          <version>${avro.version}</version>
         </plugin>
         <plugin>
           <groupId>org.codehaus.mojo.jspc</groupId>

hadoop-yarn-project/CHANGES.txt

@@ -36,6 +36,9 @@ Release 2.3.0 - UNRELEASED
     YARN-353. Add Zookeeper-based store implementation for RMStateStore.
     (Bikas Saha, Jian He and Karthik Kambatla via hitesh)
 
+    YARN-819. ResourceManager and NodeManager should check for a minimum allowed
+    version (Robert Parker via jeagles)
+
   OPTIMIZATIONS
 
   BUG FIXES
@@ -83,6 +86,9 @@ Release 2.1.2 - UNRELEASED
     YARN-49. Improve distributed shell application to work on a secure cluster.
     (Vinod Kumar Vavilapalli via hitesh)
 
+    YARN-1157. Fixed ResourceManager UI to behave correctly when apps like
+    distributed-shell do not set tracking urls. (Xuan Gong via vinodkv)
+
 Release 2.1.1-beta - 2013-09-23
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/FinishApplicationMasterRequest.java

@@ -100,11 +100,22 @@ public abstract class FinishApplicationMasterRequest {
   public abstract String getTrackingUrl();
 
   /**
-   * Set the <em>tracking URL</em>for the <code>ApplicationMaster</code>
-   * This url if contains scheme then that will be used by resource manager
-   * web application proxy otherwise it will default to http.
-   * @param url <em>tracking URL</em>for the
-   *                   <code>ApplicationMaster</code>
+   * Set the <em>final tracking URL</em>for the <code>ApplicationMaster</code>.
+   * This is the web-URL to which ResourceManager or web-application proxy will
+   * redirect client/users once the application is finished and the
+   * <code>ApplicationMaster</code> is gone.
+   * <p>
+   * If the passed url has a scheme then that will be used by the
+   * ResourceManager and web-application proxy, otherwise the scheme will
+   * default to http.
+   * </p>
+   * <p>
+   * Empty, null, "N/A" strings are all valid besides a real URL. In case an url
+   * isn't explicitly passed, it defaults to "N/A" on the ResourceManager.
+   * <p>
+   *
+   * @param url
+   *          <em>tracking URL</em>for the <code>ApplicationMaster</code>
    */
   @Public
   @Stable

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.java

@@ -112,11 +112,22 @@ public abstract class RegisterApplicationMasterRequest {
   public abstract String getTrackingUrl();
   
   /**
-   * Set the <em>tracking URL</em> for the <code>ApplicationMaster</code>.
-   * This url if contains scheme then that will be used by resource manager
-   * web application proxy otherwise it will default to http.
-   * @param trackingUrl <em>tracking URL</em> for the 
-   *                    <code>ApplicationMaster</code>
+   * Set the <em>tracking URL</em>for the <code>ApplicationMaster</code> while
+   * it is running. This is the web-URL to which ResourceManager or
+   * web-application proxy will redirect client/users while the application and
+   * the <code>ApplicationMaster</code> are still running.
+   * <p>
+   * If the passed url has a scheme then that will be used by the
+   * ResourceManager and web-application proxy, otherwise the scheme will
+   * default to http.
+   * </p>
+   * <p>
+   * Empty, null, "N/A" strings are all valid besides a real URL. In case an url
+   * isn't explicitly passed, it defaults to "N/A" on the ResourceManager.
+   * <p>
+   *
+   * @param trackingUrl
+   *          <em>tracking URL</em>for the <code>ApplicationMaster</code>
    */
   @Public
   @Stable

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -362,6 +362,13 @@ public class YarnConfiguration extends Configuration {
   
   public static final long DEFAULT_RM_NMTOKEN_MASTER_KEY_ROLLING_INTERVAL_SECS =
       24 * 60 * 60;
+
+  public static final String RM_NODEMANAGER_MINIMUM_VERSION =
+      RM_PREFIX + "nodemanager.minimum.version";
+
+  public static final String DEFAULT_RM_NODEMANAGER_MINIMUM_VERSION =
+      "NONE";
+
   ////////////////////////////////
   // Node Manager Configs
   ////////////////////////////////
@@ -460,6 +467,10 @@ public class YarnConfiguration extends Configuration {
   public static final String NM_LOG_DIRS = NM_PREFIX + "log-dirs";
   public static final String DEFAULT_NM_LOG_DIRS = "/tmp/logs";
 
+  public static final String NM_RESOURCEMANAGER_MINIMUM_VERSION =
+      NM_PREFIX + "resourcemanager.minimum.version";
+  public static final String DEFAULT_NM_RESOURCEMANAGER_MINIMUM_VERSION = "NONE";
+
   /** Interval at which the delayed token removal thread runs */
   public static final String RM_DELAYED_DELEGATION_TOKEN_REMOVAL_INTERVAL_MS =
       RM_PREFIX + "delayed.delegation-token.removal-interval-ms";

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClientContainerRequest.java

@@ -215,6 +215,10 @@ public class TestAMRMClientContainerRequest {
 
     @Override
     public void reloadCachedMappings() {}
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {
+    }
   }
   
   private void verifyResourceRequest(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

@@ -358,6 +358,14 @@
     <value>1000</value>
   </property>
 
+  <property>
+    <description>The minimum allowed version of a connecting nodemanager.  The valid values are
+      NONE (no version checking), EqualToRM (the nodemanager's version is equal to
+      or greater than the RM version), or a Version String.</description>
+    <name>yarn.resourcemanager.nodemanager.minimum.version</name>
+    <value>NONE</value>
+  </property>
+
   <property>
     <description>Enable a set of periodic monitors (specified in
         yarn.resourcemanager.scheduler.monitor.policies) that affect the
@@ -737,6 +745,14 @@
     <value>30</value>
   </property>
 
+  <property>
+    <description>The minimum allowed version of a resourcemanager that a nodemanager will connect to.  
+      The valid values are NONE (no version checking), EqualToNM (the resourcemanager's version is 
+      equal to or greater than the NM version), or a Version String.</description>
+    <name>yarn.nodemanager.resourcemanager.minimum.version</name>
+    <value>NONE</value>
+  </property>
+
   <property>
     <description>Max number of threads in NMClientAsync to process container
     management events</description>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestRackResolver.java

@@ -67,6 +67,10 @@ public class TestRackResolver {
     public void reloadCachedMappings() {
       // nothing to do here, since RawScriptBasedMapping has no cache.
     }
+
+    @Override
+    public void reloadCachedMappings(List<String> names) {
+    }
   }
 
   @Test

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RegisterNodeManagerRequest.java

@@ -25,8 +25,10 @@ public interface RegisterNodeManagerRequest {
   NodeId getNodeId();
   int getHttpPort();
   Resource getResource();
+  String getNMVersion();
   
   void setNodeId(NodeId nodeId);
   void setHttpPort(int port);
   void setResource(Resource resource);
+  void setNMVersion(String version);
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/RegisterNodeManagerResponse.java

@@ -42,4 +42,7 @@ public interface RegisterNodeManagerResponse {
 
   void setDiagnosticsMessage(String diagnosticsMessage);
 
+  void setRMVersion(String version);
+
+  String getRMVersion();
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RegisterNodeManagerRequestPBImpl.java

@@ -139,6 +139,21 @@ public class RegisterNodeManagerRequestPBImpl extends ProtoBase<RegisterNodeMana
     builder.setHttpPort(httpPort);
   }
 
+  @Override
+  public String getNMVersion() {
+    RegisterNodeManagerRequestProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasNmVersion()) {
+      return "";
+    }
+    return (p.getNmVersion());
+  }
+
+  @Override
+  public void setNMVersion(String version) {
+    maybeInitBuilder();
+    builder.setNmVersion(version);
+  }
+
   private NodeIdPBImpl convertFromProtoFormat(NodeIdProto p) {
     return new NodeIdPBImpl(p);
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/protocolrecords/impl/pb/RegisterNodeManagerResponsePBImpl.java

@@ -150,6 +150,25 @@ public class RegisterNodeManagerResponsePBImpl extends ProtoBase<RegisterNodeMan
     builder.setDiagnosticsMessage((diagnosticsMessage));
   }
 
+  @Override
+  public String getRMVersion() {
+    RegisterNodeManagerResponseProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasRmVersion()) {
+      return null;
+    }
+    return p.getRmVersion();
+  }
+
+  @Override
+  public void setRMVersion(String rmVersion) {
+    maybeInitBuilder();
+    if (rmVersion == null) {
+      builder.clearRmIdentifier();
+      return;
+    }
+    builder.setRmVersion(rmVersion);
+  }
+
   @Override
   public NodeAction getNodeAction() {
     RegisterNodeManagerResponseProtoOrBuilder p = viaProto ? proto : builder;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/proto/yarn_server_common_service_protos.proto

@@ -29,6 +29,7 @@ message RegisterNodeManagerRequestProto {
   optional NodeIdProto node_id = 1;
   optional int32 http_port = 3;
   optional ResourceProto resource = 4;
+  optional string nm_version = 5;
 }
 
 message RegisterNodeManagerResponseProto {
@@ -37,6 +38,7 @@ message RegisterNodeManagerResponseProto {
   optional NodeActionProto nodeAction = 3;
   optional int64 rm_identifier = 4;
   optional string diagnostics_message = 5;
+  optional string rm_version = 6;
 }
 
 message NodeHeartbeatRequestProto {
@@ -45,7 +47,6 @@ message NodeHeartbeatRequestProto {
   optional MasterKeyProto last_known_nm_token_master_key = 3;
 }
 
-
 message NodeHeartbeatResponseProto {
   optional int32 response_id = 1;
   optional MasterKeyProto container_token_master_key = 2;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeStatusUpdaterImpl.java

@@ -37,6 +37,7 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.util.VersionUtil;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerState;
@@ -63,6 +64,7 @@ import org.apache.hadoop.yarn.server.api.records.NodeStatus;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl;
 import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
 import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics;
+import org.apache.hadoop.yarn.util.YarnVersionInfo;
 
 import com.google.common.annotations.VisibleForTesting;
 
@@ -84,6 +86,8 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
   private ResourceTracker resourceTracker;
   private Resource totalResource;
   private int httpPort;
+  private String nodeManagerVersionId;
+  private String minimumResourceManagerVersion;
   private volatile boolean isStopped;
   private RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
   private boolean tokenKeepAliveEnabled;
@@ -138,6 +142,10 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
     this.tokenRemovalDelayMs =
         conf.getInt(YarnConfiguration.RM_NM_EXPIRY_INTERVAL_MS,
             YarnConfiguration.DEFAULT_RM_NM_EXPIRY_INTERVAL_MS);
+
+    this.minimumResourceManagerVersion = conf.get(
+        YarnConfiguration.NM_RESOURCEMANAGER_MINIMUM_VERSION,
+        YarnConfiguration.DEFAULT_NM_RESOURCEMANAGER_MINIMUM_VERSION);
     
     // Default duration to track stopped containers on nodemanager is 10Min.
     // This should not be assigned very large value as it will remember all the
@@ -168,6 +176,7 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
     // NodeManager is the last service to start, so NodeId is available.
     this.nodeId = this.context.getNodeId();
     this.httpPort = this.context.getHttpPort();
+    this.nodeManagerVersionId = YarnVersionInfo.getVersion();
     try {
       // Registration has to be in start so that ContainerManager can get the
       // perNM tokens needed to authenticate ContainerTokens.
@@ -235,6 +244,7 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
     request.setHttpPort(this.httpPort);
     request.setResource(this.totalResource);
     request.setNodeId(this.nodeId);
+    request.setNMVersion(this.nodeManagerVersionId);
     RegisterNodeManagerResponse regNMResponse =
         resourceTracker.registerNodeManager(request);
     this.rmIdentifier = regNMResponse.getRMIdentifier();
@@ -248,6 +258,26 @@ public class NodeStatusUpdaterImpl extends AbstractService implements
             + message);
     }
 
+    // if ResourceManager version is too old then shutdown
+    if (!minimumResourceManagerVersion.equals("NONE")){
+      if (minimumResourceManagerVersion.equals("EqualToNM")){
+        minimumResourceManagerVersion = nodeManagerVersionId;
+      }
+      String rmVersion = regNMResponse.getRMVersion();
+      if (rmVersion == null) {
+        String message = "The Resource Manager's did not return a version. "
+            + "Valid version cannot be checked.";
+        throw new YarnRuntimeException("Shutting down the Node Manager. "
+            + message);
+      }
+      if (VersionUtil.compareVersions(rmVersion,minimumResourceManagerVersion) < 0) {
+        String message = "The Resource Manager's version ("
+            + rmVersion +") is less than the minimum "
+            + "allowed version " + minimumResourceManagerVersion;
+        throw new YarnRuntimeException("Shutting down the Node Manager on RM "
+            + "version error, " + message);
+      }
+    }
     MasterKey masterKey = regNMResponse.getContainerTokenMasterKey();
     // do this now so that its set before we start heartbeating to RM
     // It is expected that status updater is started by this point and

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestNodeStatusUpdater.java

@@ -145,7 +145,7 @@ public class TestNodeStatusUpdater {
       .byteValue() }));
     return masterKey;
   }
-  
+
   private class MyResourceTracker implements ResourceTracker {
 
     private final Context context;
@@ -471,6 +471,7 @@ public class TestNodeStatusUpdater {
     public NodeAction heartBeatNodeAction = NodeAction.NORMAL;
     public NodeAction registerNodeAction = NodeAction.NORMAL;
     public String shutDownMessage = "";
+    public String rmVersion = "3.0.1";
 
     @Override
     public RegisterNodeManagerResponse registerNodeManager(
@@ -483,6 +484,7 @@ public class TestNodeStatusUpdater {
       response.setContainerTokenMasterKey(createMasterKey());
       response.setNMTokenMasterKey(createMasterKey());
       response.setDiagnosticsMessage(shutDownMessage);
+      response.setRMVersion(rmVersion);
       return response;
     }
     @Override
@@ -1180,6 +1182,44 @@ public class TestNodeStatusUpdater {
         " connectionWaitSecs and RetryIntervalSecs", heartBeatID == 2);
   }
 
+  @Test
+  public void testRMVersionLessThanMinimum() throws InterruptedException {
+    final AtomicInteger numCleanups = new AtomicInteger(0);
+    YarnConfiguration conf = createNMConfig();
+    conf.set(YarnConfiguration.NM_RESOURCEMANAGER_MINIMUM_VERSION, "3.0.0");
+    nm = new NodeManager() {
+      @Override
+      protected NodeStatusUpdater createNodeStatusUpdater(Context context,
+                                                          Dispatcher dispatcher, NodeHealthCheckerService healthChecker) {
+        MyNodeStatusUpdater myNodeStatusUpdater = new MyNodeStatusUpdater(
+            context, dispatcher, healthChecker, metrics);
+        MyResourceTracker2 myResourceTracker2 = new MyResourceTracker2();
+        myResourceTracker2.heartBeatNodeAction = NodeAction.NORMAL;
+        myResourceTracker2.rmVersion = "3.0.0";
+        myNodeStatusUpdater.resourceTracker = myResourceTracker2;
+        return myNodeStatusUpdater;
+      }
+
+      @Override
+      protected void cleanupContainers(NodeManagerEventType eventType) {
+        super.cleanupContainers(NodeManagerEventType.SHUTDOWN);
+        numCleanups.incrementAndGet();
+      }
+    };
+
+    nm.init(conf);
+    nm.start();
+
+    // NM takes a while to reach the STARTED state.
+    int waitCount = 0;
+    while (nm.getServiceState() != STATE.STARTED && waitCount++ != 20) {
+      LOG.info("Waiting for NM to stop..");
+      Thread.sleep(1000);
+    }
+    Assert.assertTrue(nm.getServiceState() == STATE.STARTED);
+    nm.stop();
+  }
+
   private class MyNMContext extends NMContext {
     ConcurrentMap<ContainerId, Container> containers =
         new ConcurrentSkipListMap<ContainerId, Container>();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceTrackerService.java

@@ -28,6 +28,7 @@ import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.net.Node;
 import org.apache.hadoop.security.authorize.PolicyProvider;
 import org.apache.hadoop.service.AbstractService;
+import org.apache.hadoop.util.VersionUtil;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -55,6 +56,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.security.NMTokenSecretManag
 import org.apache.hadoop.yarn.server.resourcemanager.security.authorize.RMPolicyProvider;
 import org.apache.hadoop.yarn.server.utils.YarnServerBuilderUtils;
 import org.apache.hadoop.yarn.util.RackResolver;
+import org.apache.hadoop.yarn.util.YarnVersionInfo;
 
 public class ResourceTrackerService extends AbstractService implements
     ResourceTracker {
@@ -73,6 +75,7 @@ public class ResourceTrackerService extends AbstractService implements
   private long nextHeartBeatInterval;
   private Server server;
   private InetSocketAddress resourceTrackerAddress;
+  private String minimumNodeManagerVersion;
 
   private static final NodeHeartbeatResponse resync = recordFactory
       .newRecordInstance(NodeHeartbeatResponse.class);
@@ -99,6 +102,7 @@ public class ResourceTrackerService extends AbstractService implements
     this.nmLivelinessMonitor = nmLivelinessMonitor;
     this.containerTokenSecretManager = containerTokenSecretManager;
     this.nmTokenSecretManager = nmTokenSecretManager;
+
   }
 
   @Override
@@ -124,7 +128,11 @@ public class ResourceTrackerService extends AbstractService implements
     minAllocVcores = conf.getInt(
     	YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES,
     	YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES);
-    
+
+    minimumNodeManagerVersion = conf.get(
+        YarnConfiguration.RM_NODEMANAGER_MINIMUM_VERSION,
+        YarnConfiguration.DEFAULT_RM_NODEMANAGER_MINIMUM_VERSION);
+
     super.serviceInit(conf);
   }
 
@@ -172,10 +180,30 @@ public class ResourceTrackerService extends AbstractService implements
     int cmPort = nodeId.getPort();
     int httpPort = request.getHttpPort();
     Resource capability = request.getResource();
+    String nodeManagerVersion = request.getNMVersion();
 
     RegisterNodeManagerResponse response = recordFactory
         .newRecordInstance(RegisterNodeManagerResponse.class);
 
+    if (!minimumNodeManagerVersion.equals("NONE")) {
+      if (minimumNodeManagerVersion.equals("EqualToRM")) {
+        minimumNodeManagerVersion = YarnVersionInfo.getVersion();
+      }
+
+      if ((nodeManagerVersion == null) ||
+          (VersionUtil.compareVersions(nodeManagerVersion,minimumNodeManagerVersion)) < 0) {
+        String message =
+            "Disallowed NodeManager Version " + nodeManagerVersion
+                + ", is less than the minimum version "
+                + minimumNodeManagerVersion + " sending SHUTDOWN signal to "
+                + "NodeManager.";
+        LOG.info(message);
+        response.setDiagnosticsMessage(message);
+        response.setNodeAction(NodeAction.SHUTDOWN);
+        return response;
+      }
+    }
+
     // Check if this node is a 'valid' node
     if (!this.nodesListManager.isValidNode(host)) {
       String message =
@@ -230,6 +258,7 @@ public class ResourceTrackerService extends AbstractService implements
     LOG.info(message);
     response.setNodeAction(NodeAction.NORMAL);
     response.setRMIdentifier(ResourceManager.getClusterTimeStamp());
+    response.setRMVersion(YarnVersionInfo.getVersion());
     return response;
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

@@ -994,7 +994,7 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
     }
   }
 
-  static final class AMRegisteredTransition extends BaseTransition {
+  private static final class AMRegisteredTransition extends BaseTransition {
     @Override
     public void transition(RMAppAttemptImpl appAttempt,
         RMAppAttemptEvent event) {
@@ -1003,7 +1003,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
           = (RMAppAttemptRegistrationEvent) event;
       appAttempt.host = registrationEvent.getHost();
       appAttempt.rpcPort = registrationEvent.getRpcport();
-      appAttempt.origTrackingUrl = registrationEvent.getTrackingurl();
+      appAttempt.origTrackingUrl =
+          sanitizeTrackingUrl(registrationEvent.getTrackingurl());
       appAttempt.proxiedTrackingUrl = 
         appAttempt.generateProxyUriWithoutScheme(appAttempt.origTrackingUrl);
 
@@ -1138,7 +1139,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
       RMAppAttemptUnregistrationEvent unregisterEvent
         = (RMAppAttemptUnregistrationEvent) event;
       appAttempt.diagnostics.append(unregisterEvent.getDiagnostics());
-      appAttempt.origTrackingUrl = unregisterEvent.getTrackingUrl();
+      appAttempt.origTrackingUrl =
+          sanitizeTrackingUrl(unregisterEvent.getTrackingUrl());
       appAttempt.proxiedTrackingUrl = 
         appAttempt.generateProxyUriWithoutScheme(appAttempt.origTrackingUrl);
       appAttempt.finalStatus = unregisterEvent.getFinalApplicationStatus();
@@ -1292,4 +1294,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
     appAttempt.rmContext.getAMRMTokenSecretManager()
       .applicationMasterFinished(appAttempt.getAppAttemptId());
   }
+
+  private static String sanitizeTrackingUrl(String url) {
+    return (url == null || url.trim().isEmpty()) ? "N/A" : url;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/NodeManager.java

@@ -58,6 +58,7 @@ import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
 import org.apache.hadoop.yarn.server.api.records.NodeStatus;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
+import org.apache.hadoop.yarn.util.YarnVersionInfo;
 import org.apache.hadoop.yarn.util.resource.Resources;
 
 @Private
@@ -96,9 +97,9 @@ public class NodeManager implements ContainerManagementProtocol {
     RegisterNodeManagerRequest request = recordFactory
         .newRecordInstance(RegisterNodeManagerRequest.class);
     request.setHttpPort(httpPort);
-    request.setNodeId(this.nodeId);
     request.setResource(capability);
     request.setNodeId(this.nodeId);
+    request.setNMVersion(YarnVersionInfo.getVersion());
     resourceTrackerService.registerNodeManager(request);
     this.schedulerNode = new FiCaSchedulerNode(rmContext.getRMNodes().get(
         this.nodeId), false);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java

@@ -46,6 +46,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.util.Records;
+import org.apache.hadoop.yarn.util.YarnVersionInfo;
 import org.junit.After;
 import org.junit.Test;
 
@@ -248,6 +249,59 @@ public class TestResourceTrackerService {
     checkDecommissionedNMCount(rm, ++initialMetricCount);
   }
 
+  @Test
+  public void testNodeRegistrationSuccess() throws Exception {
+    writeToHostsFile("host2");
+    Configuration conf = new Configuration();
+    conf.set(YarnConfiguration.RM_NODES_INCLUDE_FILE_PATH, hostFile
+        .getAbsolutePath());
+    rm = new MockRM(conf);
+    rm.start();
+
+    ResourceTrackerService resourceTrackerService = rm.getResourceTrackerService();
+    RegisterNodeManagerRequest req = Records.newRecord(
+        RegisterNodeManagerRequest.class);
+    NodeId nodeId = NodeId.newInstance("host2", 1234);
+    Resource capability = BuilderUtils.newResource(1024, 1);
+    req.setResource(capability);
+    req.setNodeId(nodeId);
+    req.setHttpPort(1234);
+    req.setNMVersion(YarnVersionInfo.getVersion());
+    // trying to register a invalid node.
+    RegisterNodeManagerResponse response = resourceTrackerService.registerNodeManager(req);
+    Assert.assertEquals(NodeAction.NORMAL,response.getNodeAction());
+  }
+
+  @Test
+  public void testNodeRegistrationVersionLessThanRM() throws Exception {
+    writeToHostsFile("host2");
+    Configuration conf = new Configuration();
+    conf.set(YarnConfiguration.RM_NODES_INCLUDE_FILE_PATH, hostFile
+        .getAbsolutePath());
+    conf.set(YarnConfiguration.RM_NODEMANAGER_MINIMUM_VERSION,"EqualToRM" );
+    rm = new MockRM(conf);
+    rm.start();
+    String nmVersion = "1.9.9";
+
+    ResourceTrackerService resourceTrackerService = rm.getResourceTrackerService();
+    RegisterNodeManagerRequest req = Records.newRecord(
+        RegisterNodeManagerRequest.class);
+    NodeId nodeId = NodeId.newInstance("host2", 1234);
+    Resource capability = BuilderUtils.newResource(1024, 1);
+    req.setResource(capability);
+    req.setNodeId(nodeId);
+    req.setHttpPort(1234);
+    req.setNMVersion(nmVersion);
+    // trying to register a invalid node.
+    RegisterNodeManagerResponse response = resourceTrackerService.registerNodeManager(req);
+    Assert.assertEquals(NodeAction.SHUTDOWN,response.getNodeAction());
+    Assert.assertTrue("Diagnostic message did not contain: 'Disallowed NodeManager " +
+        "Version "+ nmVersion + ", is less than the minimum version'",
+        response.getDiagnosticsMessage().contains("Disallowed NodeManager Version " +
+            nmVersion + ", is less than the minimum version "));
+
+  }
+
   @Test
   public void testNodeRegistrationFailure() throws Exception {
     writeToHostsFile("host1");

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptImpl.java

@@ -1,77 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt;
-
-import junit.framework.Assert;
-import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
-import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
-import org.apache.hadoop.yarn.event.Dispatcher;
-import org.apache.hadoop.yarn.event.EventHandler;
-import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
-import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptRegistrationEvent;
-
-import org.apache.hadoop.yarn.server.webproxy.ProxyUriUtils;
-import org.junit.Test;
-import org.mockito.Mockito;
-
-public class TestRMAppAttemptImpl {
-  
-  private void testTrackingUrl(String url, boolean unmanaged) {
-    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance
-        (ApplicationId.newInstance(1, 2), 1);
-    EventHandler handler = Mockito.mock(EventHandler.class);    
-    Dispatcher dispatcher = Mockito.mock(Dispatcher.class);
-    Mockito.when(dispatcher.getEventHandler()).thenReturn(handler);
-    RMContext rmContext = Mockito.mock(RMContext.class);
-    Mockito.when(rmContext.getDispatcher()).thenReturn(dispatcher);
-    
-    ApplicationSubmissionContext appContext = 
-        Mockito.mock(ApplicationSubmissionContext.class);
-    Mockito.when(appContext.getUnmanagedAM()).thenReturn(unmanaged);
-    
-    RMAppAttemptImpl attempt = new RMAppAttemptImpl(attemptId, rmContext, null, 
-        null, appContext, new YarnConfiguration(), null);
-    RMAppAttemptRegistrationEvent event = 
-        Mockito.mock(RMAppAttemptRegistrationEvent.class);
-    Mockito.when(event.getHost()).thenReturn("h");
-    Mockito.when(event.getRpcport()).thenReturn(0);
-    Mockito.when(event.getTrackingurl()).thenReturn(url);
-    new RMAppAttemptImpl.AMRegisteredTransition().transition(attempt, event);
-    if (unmanaged) {
-      Assert.assertEquals(url, attempt.getTrackingUrl());
-    } else {
-      Assert.assertNotSame(url, attempt.getTrackingUrl());
-      Assert.assertTrue(attempt.getTrackingUrl().contains(
-          ProxyUriUtils.PROXY_SERVLET_NAME));
-      Assert.assertTrue(attempt.getTrackingUrl().contains(
-          attemptId.getApplicationId().toString()));
-    }
-  }
-
-  @Test
-  public void testTrackingUrlUnmanagedAM() {
-    testTrackingUrl("http://foo:8000/x", true);
-  }
-
-  @Test
-  public void testTrackingUrlManagedAM() {
-    testTrackingUrl("bar:8000/x", false);
-  }
-}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java

@@ -30,14 +30,18 @@ import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.http.HttpConfig;
 import org.apache.hadoop.security.SecurityUtil;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
@@ -85,8 +89,10 @@ import org.apache.hadoop.yarn.server.resourcemanager.security.ClientToAMTokenSec
 import org.apache.hadoop.yarn.server.resourcemanager.security.NMTokenSecretManagerInRM;
 import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
+import org.apache.hadoop.yarn.server.webproxy.ProxyUriUtils;
 import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
 import org.junit.After;
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -261,8 +267,22 @@ public class TestRMAppAttemptTransitions {
   
 
   private String getProxyUrl(RMAppAttempt appAttempt) {
-    return pjoin(RM_WEBAPP_ADDR, "proxy",
-        appAttempt.getAppAttemptId().getApplicationId(), "");
+    String url = null;
+    try {
+      URI trackingUri =
+          StringUtils.isEmpty(appAttempt.getOriginalTrackingUrl()) ? null :
+              ProxyUriUtils
+                  .getUriFromAMUrl(appAttempt.getOriginalTrackingUrl());
+      String proxy = WebAppUtils.getProxyHostAndPort(conf);
+      URI proxyUri = ProxyUriUtils.getUriFromAMUrl(proxy);
+      URI result = ProxyUriUtils.getProxyUri(trackingUri, proxyUri,
+          appAttempt.getAppAttemptId().getApplicationId());
+      url = result.toASCIIString().substring(
+          HttpConfig.getSchemePrefix().length());
+    } catch (URISyntaxException ex) {
+      Assert.fail();
+    }
+    return url;
   }
 
   /**
@@ -448,9 +468,9 @@ public class TestRMAppAttemptTransitions {
     assertEquals(container, applicationAttempt.getMasterContainer());
     assertEquals(host, applicationAttempt.getHost());
     assertEquals(rpcPort, applicationAttempt.getRpcPort());
-    assertEquals(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
+    verifyUrl(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
     if (unmanagedAM) {
-      assertEquals("oldtrackingurl", applicationAttempt.getTrackingUrl());
+      verifyUrl(trackingUrl, applicationAttempt.getTrackingUrl());
     } else {
       assertEquals(getProxyUrl(applicationAttempt), 
           applicationAttempt.getTrackingUrl());
@@ -468,7 +488,7 @@ public class TestRMAppAttemptTransitions {
     assertEquals(RMAppAttemptState.FINISHING,
         applicationAttempt.getAppAttemptState());
     assertEquals(diagnostics, applicationAttempt.getDiagnostics());
-    assertEquals(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
+    verifyUrl(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
     assertEquals(getProxyUrl(applicationAttempt),
         applicationAttempt.getTrackingUrl());
     assertEquals(container, applicationAttempt.getMasterContainer());
@@ -487,9 +507,9 @@ public class TestRMAppAttemptTransitions {
     assertEquals(RMAppAttemptState.FINISHED, 
         applicationAttempt.getAppAttemptState());
     assertEquals(diagnostics, applicationAttempt.getDiagnostics());
-    assertEquals(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
+    verifyUrl(trackingUrl, applicationAttempt.getOriginalTrackingUrl());
     if (unmanagedAM) {
-      assertEquals("mytrackingurl", applicationAttempt.getTrackingUrl());
+      verifyUrl(trackingUrl, applicationAttempt.getTrackingUrl());
       
     } else {
       assertEquals(getProxyUrl(applicationAttempt),
@@ -603,9 +623,7 @@ public class TestRMAppAttemptTransitions {
         trackingUrl, diagnostics);
   }
 
-  
-  @Test
-  public void testUnmanagedAMSuccess() {
+  private void testUnmanagedAMSuccess(String url) {
     unmanagedAM = true;
     when(submissionContext.getUnmanagedAM()).thenReturn(true);
     // submit AM and check it goes to LAUNCHED state
@@ -615,7 +633,7 @@ public class TestRMAppAttemptTransitions {
         applicationAttempt.getAppAttemptId());
 
     // launch AM
-    runApplicationAttempt(null, "host", 8042, "oldtrackingurl", true);
+    runApplicationAttempt(null, "host", 8042, url, true);
 
     // complete a container
     applicationAttempt.handle(new RMAppAttemptContainerAcquiredEvent(
@@ -623,13 +641,12 @@ public class TestRMAppAttemptTransitions {
     applicationAttempt.handle(new RMAppAttemptContainerFinishedEvent(
         applicationAttempt.getAppAttemptId(), mock(ContainerStatus.class)));
     // complete AM
-    String trackingUrl = "mytrackingurl";
     String diagnostics = "Successful";
     FinalApplicationStatus finalStatus = FinalApplicationStatus.SUCCEEDED;
     applicationAttempt.handle(new RMAppAttemptUnregistrationEvent(
-        applicationAttempt.getAppAttemptId(), trackingUrl, finalStatus,
+        applicationAttempt.getAppAttemptId(), url, finalStatus,
         diagnostics));
-    testAppAttemptFinishedState(null, finalStatus, trackingUrl, diagnostics, 1,
+    testAppAttemptFinishedState(null, finalStatus, url, diagnostics, 1,
         true);
   }
   
@@ -824,12 +841,42 @@ public class TestRMAppAttemptTransitions {
         "Killed by user");
   }
 
+  @Test
+  public void testTrackingUrlUnmanagedAM() {
+    testUnmanagedAMSuccess("oldTrackingUrl");
+  }
 
   @Test
-  public void testNoTrackingUrl() {
+  public void testEmptyTrackingUrlUnmanagedAM() {
+    testUnmanagedAMSuccess("");
+  }
+
+  @Test
+  public void testNullTrackingUrlUnmanagedAM() {
+    testUnmanagedAMSuccess(null);
+  }
+
+  @Test
+  public void testManagedAMWithTrackingUrl() {
+    testTrackingUrlManagedAM("theTrackingUrl");
+  }
+
+  @Test
+  public void testManagedAMWithEmptyTrackingUrl() {
+    testTrackingUrlManagedAM("");
+  }
+
+  @Test
+  public void testManagedAMWithNullTrackingUrl() {
+    testTrackingUrlManagedAM(null);
+  }
+
+  private void testTrackingUrlManagedAM(String url) {
     Container amContainer = allocateApplicationAttempt();
     launchApplicationAttempt(amContainer);
-    runApplicationAttempt(amContainer, "host", 8042, "", false);
+    runApplicationAttempt(amContainer, "host", 8042, url, false);
+    unregisterApplicationAttempt(amContainer,
+        FinalApplicationStatus.SUCCEEDED, url, "Successful");
   }
 
   @Test
@@ -927,4 +974,12 @@ public class TestRMAppAttemptTransitions {
       }
     }
   }
+
+  private void verifyUrl(String url1, String url2) {
+    if (url1 == null || url1.trim().isEmpty()) {
+      assertEquals("N/A", url2);
+    } else {
+      assertEquals(url1, url2);
+    }
+  }
 }