Repository: ambari
Updated Branches:
  refs/heads/branch-feature-AMBARI-21450 5cdcd0701 -> 56362fd64


http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClustersTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClustersTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClustersTest.java
index 7bf9273..febe591 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClustersTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClustersTest.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -57,13 +57,13 @@ import org.apache.ambari.server.orm.dao.HostDAO;
 import org.apache.ambari.server.orm.dao.TopologyRequestDAO;
 import org.apache.ambari.server.orm.entities.ClusterStateEntity;
 import org.apache.ambari.server.orm.entities.HostEntity;
+import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
 import org.apache.ambari.server.state.AgentVersion;
 import org.apache.ambari.server.state.Cluster;
 import org.apache.ambari.server.state.Clusters;
 import org.apache.ambari.server.state.Config;
 import org.apache.ambari.server.state.ConfigFactory;
 import org.apache.ambari.server.state.Host;
-import org.apache.ambari.server.state.RepositoryVersionState;
 import org.apache.ambari.server.state.SecurityType;
 import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponent;
@@ -125,11 +125,11 @@ public class ClustersTest {
   }
 
   private void setOsFamily(Host host, String osFamily, String osVersion) {
-         Map<String, String> hostAttributes = new HashMap<String, String>();
-         hostAttributes.put("os_family", osFamily);
-         hostAttributes.put("os_release_version", osVersion);
+    Map<String, String> hostAttributes = new HashMap<>();
+    hostAttributes.put("os_family", osFamily);
+    hostAttributes.put("os_release_version", osVersion);
 
-         host.setHostAttributes(hostAttributes);
+    host.setHostAttributes(hostAttributes);
   }
 
   @Test
@@ -146,9 +146,10 @@ public class ClustersTest {
 
   @Test
   public void testAddAndGetCluster() throws AmbariException {
-
     StackId stackId = new StackId("HDP-2.1.1");
 
+    helper.createStack(stackId);
+
     String c1 = "foo";
     String c2 = "foo";
     clusters.addCluster(c1, stackId);
@@ -201,6 +202,8 @@ public class ClustersTest {
   public void testAddAndGetClusterWithSecurityType() throws AmbariException {
     StackId stackId = new StackId("HDP-2.1.1");
 
+    helper.createStack(stackId);
+
     String c1 = "foo";
     SecurityType securityType = SecurityType.KERBEROS;
     clusters.addCluster(c1, stackId, securityType);
@@ -266,6 +269,8 @@ public class ClustersTest {
 
     StackId stackId = new StackId("HDP-0.1");
 
+    helper.createStack(stackId);
+
     clusters.addCluster(c1, stackId);
     clusters.addCluster(c2, stackId);
 
@@ -276,15 +281,6 @@ public class ClustersTest {
 
     cluster1.setDesiredStackVersion(stackId);
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster1.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
-    cluster1.transitionClusterVersion(stackId, stackId.getStackVersion(),
-        RepositoryVersionState.CURRENT);
-    cluster2.setDesiredStackVersion(stackId);
-    cluster2.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
-    cluster2.transitionClusterVersion(stackId, stackId.getStackVersion(),
-        RepositoryVersionState.CURRENT);
 
     try {
       clusters.mapHostToCluster(h1, c1);
@@ -327,7 +323,7 @@ public class ClustersTest {
     Cluster c4 = (Cluster) clusters.getClustersForHost(h2).toArray()[0];
 
     Assert.assertEquals(c3, c4);
-    Set<String> hostnames = new HashSet<String>();
+    Set<String> hostnames = new HashSet<>();
     hostnames.add(h1);
     hostnames.add(h2);
 
@@ -359,6 +355,8 @@ public class ClustersTest {
 
     StackId stackId = new StackId("HDP-0.1");
 
+    helper.createStack(stackId);
+
     clusters.addCluster(c1, stackId);
     clusters.addCluster(c2, stackId);
     Cluster cluster1 = clusters.getCluster(c1);
@@ -367,15 +365,7 @@ public class ClustersTest {
     Assert.assertNotNull(clusters.getCluster(c2));
 
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster1.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
-    cluster1.transitionClusterVersion(stackId, stackId.getStackVersion(),
-        RepositoryVersionState.CURRENT);
-    cluster2.setDesiredStackVersion(stackId);
-    cluster2.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
-    cluster2.transitionClusterVersion(stackId, stackId.getStackVersion(),
-        RepositoryVersionState.CURRENT);
+
     clusters.addHost(h1);
     clusters.addHost(h2);
     clusters.addHost(h3);
@@ -397,17 +387,18 @@ public class ClustersTest {
     final String h2 = "h2";
 
     StackId stackId = new StackId("HDP-0.1");
+
+    helper.createStack(stackId);
+
     clusters.addCluster(c1, stackId);
 
     Cluster cluster = clusters.getCluster(c1);
 
     cluster.setDesiredStackVersion(stackId);
     cluster.setCurrentStackVersion(stackId);
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
-    cluster.transitionClusterVersion(stackId, stackId.getStackVersion(),
-        RepositoryVersionState.CURRENT);
+
+    RepositoryVersionEntity repositoryVersion = 
helper.getOrCreateRepositoryVersion(stackId,
+        stackId.getStackVersion());
 
     final Config config1 = 
injector.getInstance(ConfigFactory.class).createNew(cluster, "t1", "1",
         new HashMap<String, String>() {{
@@ -426,7 +417,7 @@ public class ClustersTest {
     clusters.addHost(h2);
 
     Host host1 = clusters.getHost(h1);
-    Host host2 = clusters.getHost(h2);
+
     setOsFamily(clusters.getHost(h1), "centos", "5.9");
     setOsFamily(clusters.getHost(h2), "centos", "5.9");
 
@@ -439,7 +430,7 @@ public class ClustersTest {
     // host config override
     host1.addDesiredConfig(cluster.getClusterId(), true, "_test", config2);
 
-    Service hdfs = cluster.addService("HDFS");
+    Service hdfs = cluster.addService("HDFS", repositoryVersion);
 
     
Assert.assertNotNull(injector.getInstance(ClusterServiceDAO.class).findByClusterAndServiceNames(c1,
 "HDFS"));
 
@@ -469,7 +460,7 @@ public class ClustersTest {
     ));
     Assert.assertEquals(2, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT config FROM 
ClusterConfigEntity config").getResultList().size());
     Assert.assertEquals(1, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT state FROM 
ClusterStateEntity state").getResultList().size());
-    Assert.assertEquals(1, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT config FROM 
ClusterConfigMappingEntity config").getResultList().size());
+    Assert.assertEquals(1, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT config FROM 
ClusterConfigEntity config WHERE config.selected = 1").getResultList().size());
 
     // add topology request
     Blueprint bp = createNiceMock(Blueprint.class);
@@ -510,7 +501,6 @@ public class ClustersTest {
     ));
     Assert.assertEquals(0, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT config FROM 
ClusterConfigEntity config").getResultList().size());
     Assert.assertEquals(0, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT state FROM 
ClusterStateEntity state").getResultList().size());
-    Assert.assertEquals(0, 
injector.getProvider(EntityManager.class).get().createQuery("SELECT config FROM 
ClusterConfigMappingEntity config").getResultList().size());
     Assert.assertEquals(0, 
topologyRequestDAO.findByClusterId(cluster.getClusterId()).size());
   }
 
@@ -698,6 +688,9 @@ public class ClustersTest {
 
   private Cluster createCluster(String clusterName) throws AmbariException {
     StackId stackId = new StackId("HDP-0.1");
+
+    helper.createStack(stackId);
+
     clusters.addCluster(clusterName, stackId);
 
     return clusters.getCluster(clusterName);
@@ -709,4 +702,4 @@ public class ClustersTest {
       
binder.bind(TopologyManager.class).toInstance(createNiceMock(TopologyManager.class));
     }
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ConcurrentServiceConfigVersionTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ConcurrentServiceConfigVersionTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ConcurrentServiceConfigVersionTest.java
index 8b56004..0bcd68c 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ConcurrentServiceConfigVersionTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ConcurrentServiceConfigVersionTest.java
@@ -1,4 +1,4 @@
-/**
+/*
 * 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
@@ -34,10 +34,10 @@ import org.apache.ambari.server.orm.GuiceJpaInitializer;
 import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
 import org.apache.ambari.server.orm.OrmTestHelper;
 import org.apache.ambari.server.orm.dao.ServiceConfigDAO;
+import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
 import org.apache.ambari.server.state.Cluster;
 import org.apache.ambari.server.state.Clusters;
 import org.apache.ambari.server.state.Host;
-import org.apache.ambari.server.state.RepositoryVersionState;
 import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponent;
 import org.apache.ambari.server.state.ServiceComponentFactory;
@@ -95,6 +95,8 @@ public class ConcurrentServiceConfigVersionTest {
    */
   private Cluster cluster;
 
+  private RepositoryVersionEntity repositoryVersion;
+
   /**
    * Creates a cluster and installs HDFS with NN and DN.
    *
@@ -107,11 +109,10 @@ public class ConcurrentServiceConfigVersionTest {
 
     injector.getInstance(GuiceJpaInitializer.class);
     injector.injectMembers(this);
+    helper.createStack(stackId);
     clusters.addCluster("c1", stackId);
     cluster = clusters.getCluster("c1");
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId,
-        stackId.getStackVersion(), "admin", RepositoryVersionState.INSTALLING);
+    repositoryVersion = helper.getOrCreateRepositoryVersion(stackId, 
stackId.getStackVersion());
 
     String hostName = "c6401.ambari.apache.org";
     clusters.addHost(hostName);
@@ -144,7 +145,7 @@ public class ConcurrentServiceConfigVersionTest {
 
     Assert.assertEquals(nextVersion, 1);
 
-    List<Thread> threads = new ArrayList<Thread>();
+    List<Thread> threads = new ArrayList<>();
     for (int i = 0; i < NUMBER_OF_THREADS; i++) {
       Thread thread = new ConcurrentServiceConfigThread(cluster);
       threads.add(thread);
@@ -181,8 +182,6 @@ public class ConcurrentServiceConfigVersionTest {
           ServiceConfigVersionResponse response = 
cluster.createServiceConfigVersion(
               "HDFS", null, getName() + "-serviceConfig" + i, null);
 
-          System.out.println("**** " + response.getVersion());
-
           Thread.sleep(100);
         }
       } catch (Exception exception) {
@@ -192,7 +191,7 @@ public class ConcurrentServiceConfigVersionTest {
   }
 
   private void setOsFamily(Host host, String osFamily, String osVersion) {
-    Map<String, String> hostAttributes = new HashMap<String, String>(2);
+    Map<String, String> hostAttributes = new HashMap<>(2);
     hostAttributes.put("os_family", osFamily);
     hostAttributes.put("os_release_version", osVersion);
     host.setHostAttributes(hostAttributes);
@@ -210,8 +209,6 @@ public class ConcurrentServiceConfigVersionTest {
     sc.addServiceComponentHost(sch);
     sch.setDesiredState(State.INSTALLED);
     sch.setState(State.INSTALLED);
-    sch.setDesiredStackVersion(stackId);
-    sch.setStackVersion(stackId);
 
     return sch;
   }
@@ -222,7 +219,7 @@ public class ConcurrentServiceConfigVersionTest {
     try {
       service = cluster.getService(serviceName);
     } catch (ServiceNotFoundException e) {
-      service = serviceFactory.createNew(cluster, serviceName);
+      service = serviceFactory.createNew(cluster, serviceName, 
repositoryVersion);
       cluster.addService(service);
     }
 
@@ -259,4 +256,4 @@ public class ConcurrentServiceConfigVersionTest {
           EasyMock.createNiceMock(HostVersionOutOfSyncListener.class));
     }
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ServiceComponentHostConcurrentWriteDeadlockTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ServiceComponentHostConcurrentWriteDeadlockTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ServiceComponentHostConcurrentWriteDeadlockTest.java
index eecf347..9902e5a 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ServiceComponentHostConcurrentWriteDeadlockTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ServiceComponentHostConcurrentWriteDeadlockTest.java
@@ -1,4 +1,4 @@
-/**
+/*
 * 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
@@ -34,12 +34,12 @@ import 
org.apache.ambari.server.events.listeners.upgrade.HostVersionOutOfSyncLis
 import org.apache.ambari.server.orm.GuiceJpaInitializer;
 import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
 import org.apache.ambari.server.orm.OrmTestHelper;
+import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
 import org.apache.ambari.server.state.Cluster;
 import org.apache.ambari.server.state.Clusters;
 import org.apache.ambari.server.state.Config;
 import org.apache.ambari.server.state.ConfigFactory;
 import org.apache.ambari.server.state.Host;
-import org.apache.ambari.server.state.RepositoryVersionState;
 import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponent;
 import org.apache.ambari.server.state.ServiceComponentFactory;
@@ -87,10 +87,9 @@ public class ServiceComponentHostConcurrentWriteDeadlockTest 
{
   @Inject
   private ConfigFactory configFactory;
 
-  @Inject
-  private OrmTestHelper helper;
-
   private StackId stackId = new StackId("HDP-0.1");
+  private final String REPO_VERSION = "0.1-1234";
+  private RepositoryVersionEntity m_repositoryVersion;
 
   /**
    * The cluster.
@@ -109,11 +108,13 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
 
     injector.getInstance(GuiceJpaInitializer.class);
     injector.injectMembers(this);
+
+    OrmTestHelper helper = injector.getInstance(OrmTestHelper.class);
+    helper.createStack(stackId);
+
     clusters.addCluster("c1", stackId);
     cluster = clusters.getCluster("c1");
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId,
-        stackId.getStackVersion(), "admin", RepositoryVersionState.INSTALLING);
+    m_repositoryVersion = helper.getOrCreateRepositoryVersion(stackId, 
REPO_VERSION);
 
     Config config1 = configFactory.createNew(cluster, "test-type1", null, new 
HashMap<String, String>(), new HashMap<String,
         Map<String, String>>());
@@ -121,7 +122,7 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
     Config config2 = configFactory.createNew(cluster, "test-type2", null, new 
HashMap<String, String>(), new HashMap<String,
         Map<String, String>>());
 
-    cluster.addDesiredConfig("test user", new 
HashSet<Config>(Arrays.asList(config1, config2)));
+    cluster.addDesiredConfig("test user", new HashSet<>(Arrays.asList(config1, 
config2)));
 
     String hostName = "c6401";
     clusters.addHost(hostName);
@@ -144,11 +145,11 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
     ServiceComponentHost nameNodeSCH = createNewServiceComponentHost("HDFS", 
"NAMENODE", "c6401");
     ServiceComponentHost dataNodeSCH = createNewServiceComponentHost("HDFS", 
"DATANODE", "c6401");
 
-    List<ServiceComponentHost> serviceComponentHosts = new 
ArrayList<ServiceComponentHost>();
+    List<ServiceComponentHost> serviceComponentHosts = new ArrayList<>();
     serviceComponentHosts.add(nameNodeSCH);
     serviceComponentHosts.add(dataNodeSCH);
 
-    List<Thread> threads = new ArrayList<Thread>();
+    List<Thread> threads = new ArrayList<>();
     for (int i = 0; i < NUMBER_OF_THREADS; i++) {
       ServiceComponentHostDeadlockWriter thread = new 
ServiceComponentHostDeadlockWriter();
       thread.setServiceComponentHosts(serviceComponentHosts);
@@ -181,10 +182,6 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
   private static final class ServiceComponentHostDeadlockWriter extends Thread 
{
     private List<ServiceComponentHost> serviceComponentHosts;
 
-    /**
-     * @param nameNodeSCH
-     *          the nameNodeSCH to set
-     */
     public void setServiceComponentHosts(List<ServiceComponentHost> 
serviceComponentHosts) {
       this.serviceComponentHosts = serviceComponentHosts;
     }
@@ -216,7 +213,7 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
   }
 
   private void setOsFamily(Host host, String osFamily, String osVersion) {
-    Map<String, String> hostAttributes = new HashMap<String, String>(2);
+    Map<String, String> hostAttributes = new HashMap<>(2);
     hostAttributes.put("os_family", osFamily);
     hostAttributes.put("os_release_version", osVersion);
     host.setHostAttributes(hostAttributes);
@@ -228,14 +225,12 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
     Service s = installService(svc);
     ServiceComponent sc = addServiceComponent(s, svcComponent);
 
-    ServiceComponentHost sch = serviceComponentHostFactory.createNew(sc,
-        hostName);
+    ServiceComponentHost sch = serviceComponentHostFactory.createNew(sc, 
hostName);
 
     sc.addServiceComponentHost(sch);
     sch.setDesiredState(State.INSTALLED);
     sch.setState(State.INSTALLED);
-    sch.setDesiredStackVersion(stackId);
-    sch.setStackVersion(stackId);
+    sch.setVersion(REPO_VERSION);
 
     return sch;
   }
@@ -246,7 +241,7 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
     try {
       service = cluster.getService(serviceName);
     } catch (ServiceNotFoundException e) {
-      service = serviceFactory.createNew(cluster, serviceName);
+      service = serviceFactory.createNew(cluster, serviceName, 
m_repositoryVersion);
       cluster.addService(service);
     }
 
@@ -283,4 +278,4 @@ public class 
ServiceComponentHostConcurrentWriteDeadlockTest {
           EasyMock.createNiceMock(HostVersionOutOfSyncListener.class));
     }
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/state/host/HostTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/state/host/HostTest.java 
b/ambari-server/src/test/java/org/apache/ambari/server/state/host/HostTest.java
index d418a80..d83dd04 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/state/host/HostTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/state/host/HostTest.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -37,7 +37,6 @@ import org.apache.ambari.server.agent.AgentEnv;
 import org.apache.ambari.server.agent.DiskInfo;
 import org.apache.ambari.server.agent.HeartBeatHandler;
 import org.apache.ambari.server.agent.HostInfo;
-import org.apache.ambari.server.api.services.AmbariMetaInfo;
 import org.apache.ambari.server.orm.GuiceJpaInitializer;
 import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
 import org.apache.ambari.server.orm.OrmTestHelper;
@@ -55,10 +54,7 @@ import org.apache.ambari.server.state.HostHealthStatus;
 import org.apache.ambari.server.state.HostHealthStatus.HealthStatus;
 import org.apache.ambari.server.state.HostState;
 import org.apache.ambari.server.state.MaintenanceState;
-import org.apache.ambari.server.state.RepositoryVersionState;
 import org.apache.ambari.server.state.StackId;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
@@ -73,7 +69,6 @@ public class HostTest {
   private Clusters clusters;
   private HostDAO hostDAO;
   private OrmTestHelper helper;
-  private static Log LOG = LogFactory.getLog(HostTest.class);
 
   @Before
    public void setup() throws AmbariException{
@@ -95,7 +90,7 @@ public class HostTest {
     info.setMemorySize(100);
     info.setProcessorCount(10);
     info.setPhysicalProcessorCount(2);
-    List<DiskInfo> mounts = new ArrayList<DiskInfo>();
+    List<DiskInfo> mounts = new ArrayList<>();
     mounts.add(new DiskInfo("/dev/sda", "/mnt/disk1",
         "5000000", "4000000", "10%", "size", "fstype"));
     info.setMounts(mounts);
@@ -146,7 +141,7 @@ public class HostTest {
     HostInfo info = new HostInfo();
     info.setMemorySize(100);
     info.setProcessorCount(10);
-    List<DiskInfo> mounts = new ArrayList<DiskInfo>();
+    List<DiskInfo> mounts = new ArrayList<>();
     mounts.add(new DiskInfo("/dev/sda", "/mnt/disk1",
         "5000000", "4000000", "10%", "size", "fstype"));
     info.setMounts(mounts);
@@ -360,22 +355,19 @@ public class HostTest {
 
   @Test
   public void testHostDesiredConfig() throws Exception {
-    AmbariMetaInfo metaInfo = injector.getInstance(AmbariMetaInfo.class);
-
     StackId stackId = new StackId("HDP-0.1");
     clusters.addCluster("c1", stackId);
     Cluster c1 = clusters.getCluster("c1");
 
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    c1.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
+
     Assert.assertEquals("c1", c1.getClusterName());
     clusters.addHost("h1");
     Host host = clusters.getHost("h1");
     host.setIPv4("ipv4");
     host.setIPv6("ipv6");
 
-    Map<String, String> hostAttributes = new HashMap<String, String>();
+    Map<String, String> hostAttributes = new HashMap<>();
     hostAttributes.put("os_family", "redhat");
     hostAttributes.put("os_release_version", "6.3");
     host.setHostAttributes(hostAttributes);
@@ -400,7 +392,6 @@ public class HostTest {
 
     Map<String, DesiredConfig> map = host.getDesiredConfigs(c1.getClusterId());
     Assert.assertTrue("Expect desired config to contain global", 
map.containsKey("global"));
-    Assert.assertEquals("Expect global user to be '_test'", "_test", 
map.get("global").getUser());
 
     config = configFactory.createNew(c1, "global", "v2",
         new HashMap<String,String>() {{ put("c", "d"); }}, new HashMap<String, 
Map<String,String>>());
@@ -409,7 +400,6 @@ public class HostTest {
     map = host.getDesiredConfigs(c1.getClusterId());
     Assert.assertTrue("Expect desired config to contain global", 
map.containsKey("global"));
     Assert.assertEquals("Expect version to be 'v2'", "v2", 
map.get("global").getTag());
-    Assert.assertEquals("Expect user to be '_test1'", "_test1", 
map.get("global").getUser());
 
     host.addDesiredConfig(c1.getClusterId(), false, "_test2", config);
     map = host.getDesiredConfigs(c1.getClusterId());
@@ -419,8 +409,6 @@ public class HostTest {
 
   @Test
   public void testHostMaintenance() throws Exception {
-    AmbariMetaInfo metaInfo = injector.getInstance(AmbariMetaInfo.class);
-
     StackId stackId = new StackId("HDP-0.1");
     clusters.addCluster("c1", stackId);
     Cluster c1 = clusters.getCluster("c1");
@@ -430,14 +418,12 @@ public class HostTest {
     host.setIPv4("ipv4");
     host.setIPv6("ipv6");
 
-    Map<String, String> hostAttributes = new HashMap<String, String>();
+    Map<String, String> hostAttributes = new HashMap<>();
     hostAttributes.put("os_family", "redhat");
     hostAttributes.put("os_release_version", "6.3");
     host.setHostAttributes(hostAttributes);
 
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    c1.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
     c1.setDesiredStackVersion(stackId);
     clusters.mapHostToCluster("h1", "c1");
 
@@ -468,4 +454,4 @@ public class HostTest {
     Assert.assertEquals(rackInfo, host.getRackInfo());
     Assert.assertEquals(lastRegistrationTime, host.getLastRegistrationTime());
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostTest.java
index 854a163..fc1f334 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/state/svccomphost/ServiceComponentHostTest.java
@@ -1,4 +1,4 @@
-/**
+/*
 * 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
@@ -43,6 +43,7 @@ import org.apache.ambari.server.orm.entities.ClusterEntity;
 import org.apache.ambari.server.orm.entities.HostComponentDesiredStateEntity;
 import org.apache.ambari.server.orm.entities.HostComponentStateEntity;
 import org.apache.ambari.server.orm.entities.HostEntity;
+import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
 import org.apache.ambari.server.state.Cluster;
 import org.apache.ambari.server.state.Clusters;
 import org.apache.ambari.server.state.Config;
@@ -50,7 +51,6 @@ import org.apache.ambari.server.state.ConfigFactory;
 import org.apache.ambari.server.state.Host;
 import org.apache.ambari.server.state.HostConfig;
 import org.apache.ambari.server.state.MaintenanceState;
-import org.apache.ambari.server.state.RepositoryVersionState;
 import org.apache.ambari.server.state.SecurityState;
 import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponent;
@@ -78,7 +78,7 @@ import com.google.inject.Inject;
 import com.google.inject.Injector;
 
 public class ServiceComponentHostTest {
-  private static Logger LOG = 
LoggerFactory.getLogger(ServiceComponentHostTest.class);
+  private static final Logger LOG = 
LoggerFactory.getLogger(ServiceComponentHostTest.class);
   @Inject
   private Injector injector;
   @Inject
@@ -106,7 +106,8 @@ public class ServiceComponentHostTest {
 
   private String clusterName = "c1";
   private String hostName1 = "h1";
-  private Map<String, String> hostAttributes = new HashMap<String, String>();
+  private Map<String, String> hostAttributes = new HashMap<>();
+  private RepositoryVersionEntity repositoryVersion;
 
 
   @Before
@@ -115,19 +116,16 @@ public class ServiceComponentHostTest {
     injector.getInstance(GuiceJpaInitializer.class);
     injector.injectMembers(this);
 
-    StackId stackId = new StackId("HDP-0.1");
+    StackId stackId = new StackId("HDP-2.0.6");
     createCluster(stackId, clusterName);
     hostAttributes.put("os_family", "redhat");
     hostAttributes.put("os_release_version", "5.9");
 
-    Set<String> hostNames = new HashSet<String>();
+    Set<String> hostNames = new HashSet<>();
     hostNames.add(hostName1);
     addHostsToCluster(clusterName, hostAttributes, hostNames);
 
-    Cluster c1 = clusters.getCluster(clusterName);
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    c1.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-            RepositoryVersionState.INSTALLING);
+    repositoryVersion = helper.getOrCreateRepositoryVersion(stackId, 
stackId.getStackVersion());
   }
 
   @After
@@ -136,6 +134,7 @@ public class ServiceComponentHostTest {
   }
 
   private ClusterEntity createCluster(StackId stackId, String clusterName) 
throws AmbariException {
+    helper.createStack(stackId);
     clusters.addCluster(clusterName, stackId);
     ClusterEntity clusterEntity = clusterDAO.findByName(clusterName);
     Assert.assertNotNull(clusterEntity);
@@ -145,7 +144,7 @@ public class ServiceComponentHostTest {
   private void addHostsToCluster(String clusterName, Map<String, String> 
hostAttributes, Set<String> hostNames) throws AmbariException {
     ClusterEntity clusterEntity = clusterDAO.findByName(clusterName);
 
-    List<HostEntity> hostEntities = new ArrayList<HostEntity>();
+    List<HostEntity> hostEntities = new ArrayList<>();
     for (String hostName : hostNames) {
       clusters.addHost(hostName);
       Host host = clusters.getHost(hostName);
@@ -178,9 +177,9 @@ public class ServiceComponentHostTest {
     try {
       s = c.getService(svc);
     } catch (ServiceNotFoundException e) {
-      LOG.debug("Calling service create"
-          + ", serviceName=" + svc);
-      s = serviceFactory.createNew(c, svc);
+      LOG.debug("Calling service create, serviceName={}", svc);
+
+      s = serviceFactory.createNew(c, svc, repositoryVersion);
       c.addService(s);
     }
 
@@ -207,10 +206,7 @@ public class ServiceComponentHostTest {
 
     Assert.assertNotNull(c.getServiceComponentHosts(hostName));
 
-    Assert.assertFalse(
-        impl.getDesiredStackVersion().getStackId().isEmpty());
-
-    Assert.assertFalse(impl.getStackVersion().getStackId().isEmpty());
+    Assert.assertNotNull(sc.getDesiredRepositoryVersion());
 
     return impl;
   }
@@ -229,7 +225,7 @@ public class ServiceComponentHostTest {
       case HOST_SVCCOMP_INSTALL:
         return new ServiceComponentHostInstallEvent(
             impl.getServiceComponentName(), impl.getHostName(), timestamp,
-            impl.getDesiredStackVersion().getStackId());
+            impl.getServiceComponent().getDesiredStackId().toString());
       case HOST_SVCCOMP_START:
         return new ServiceComponentHostStartEvent(
             impl.getServiceComponentName(), impl.getHostName(), timestamp);
@@ -289,9 +285,7 @@ public class ServiceComponentHostTest {
     Assert.assertEquals(inProgressState,
         impl.getState());
     if (checkStack) {
-      Assert.assertNotNull(impl.getStackVersion());
-      Assert.assertEquals(impl.getDesiredStackVersion().getStackId(),
-          impl.getStackVersion().getStackId());
+      Assert.assertNotNull(impl.getServiceComponent().getDesiredStackId());
     }
 
     ServiceComponentHostEvent installEvent2 = createEvent(impl, ++timestamp,
@@ -537,15 +531,9 @@ public class ServiceComponentHostTest {
     ServiceComponentHost sch = createNewServiceComponentHost(clusterName, 
"HDFS", "NAMENODE", hostName1, false);
     sch.setDesiredState(State.INSTALLED);
     sch.setState(State.INSTALLING);
-    sch.setStackVersion(new StackId("HDP-1.2.0"));
-    sch.setDesiredStackVersion(new StackId("HDP-1.2.0"));
 
     Assert.assertEquals(State.INSTALLING, sch.getState());
     Assert.assertEquals(State.INSTALLED, sch.getDesiredState());
-    Assert.assertEquals("HDP-1.2.0",
-        sch.getStackVersion().getStackId());
-    Assert.assertEquals("HDP-1.2.0",
-            sch.getDesiredStackVersion().getStackId());
   }
 
   @Test
@@ -553,13 +541,11 @@ public class ServiceComponentHostTest {
     ServiceComponentHost sch = createNewServiceComponentHost(clusterName, 
"HDFS", "NAMENODE", hostName1, false);
     sch.setDesiredState(State.INSTALLED);
     sch.setState(State.INSTALLING);
-    sch.setStackVersion(new StackId("HDP-1.2.0"));
-    sch.setDesiredStackVersion(new StackId("HDP-1.2.0"));
 
     Cluster cluster = clusters.getCluster(clusterName);
 
-    final ConfigGroup configGroup = configGroupFactory.createNew(cluster,
-      "cg1", "t1", "", new HashMap<String, Config>(), new HashMap<Long, 
Host>());
+    final ConfigGroup configGroup = configGroupFactory.createNew(cluster, 
"cg1", "t1", "",
+        new HashMap<String, Config>(), new HashMap<Long, Host>());
 
     cluster.addConfigGroup(configGroup);
 
@@ -585,7 +571,6 @@ public class ServiceComponentHostTest {
     ServiceComponentHost sch = createNewServiceComponentHost(clusterName, 
"HDFS", "DATANODE", hostName1, false);
     sch.setDesiredState(State.INSTALLED);
     sch.setState(State.INSTALLING);
-    sch.setStackVersion(new StackId("HDP-1.2.0"));
     ServiceComponentHostResponse r = sch.convertToResponse(null);
     Assert.assertEquals("HDFS", r.getServiceName());
     Assert.assertEquals("DATANODE", r.getComponentName());
@@ -593,7 +578,7 @@ public class ServiceComponentHostTest {
     Assert.assertEquals(clusterName, r.getClusterName());
     Assert.assertEquals(State.INSTALLED.toString(), r.getDesiredState());
     Assert.assertEquals(State.INSTALLING.toString(), r.getLiveState());
-    Assert.assertEquals("HDP-1.2.0", r.getStackVersion());
+    Assert.assertEquals(repositoryVersion.getStackId().toString(), 
r.getDesiredStackVersion());
 
     Assert.assertFalse(r.isStaleConfig());
 
@@ -660,7 +645,7 @@ public class ServiceComponentHostTest {
 
     // Test valid states in which host component can be disabled
     long timestamp = 0;
-    HashSet<State> validStates = new HashSet<State>();
+    HashSet<State> validStates = new HashSet<>();
     validStates.add(State.INSTALLED);
     validStates.add(State.INSTALL_FAILED);
     validStates.add(State.UNKNOWN);
@@ -678,7 +663,7 @@ public class ServiceComponentHostTest {
     }
 
     // Test invalid states in which host component cannot be disabled
-    HashSet<State> invalidStates = new HashSet<State>();
+    HashSet<State> invalidStates = new HashSet<>();
     invalidStates.add(State.INIT);
     invalidStates.add(State.INSTALLING);
     invalidStates.add(State.STARTING);
@@ -716,7 +701,7 @@ public class ServiceComponentHostTest {
     createCluster(stackId, clusterName);
 
     final String hostName = "h3";
-    Set<String> hostNames = new HashSet<String>();
+    Set<String> hostNames = new HashSet<>();
     hostNames.add(hostName);
     addHostsToCluster(clusterName, hostAttributes, hostNames);
 
@@ -726,25 +711,22 @@ public class ServiceComponentHostTest {
     Cluster cluster = clusters.getCluster(clusterName);
     Assert.assertNotNull(cluster);
 
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
+    RepositoryVersionEntity repositoryVersion = 
helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
 
     ServiceComponentHost sch1 = createNewServiceComponentHost(cluster, "HDFS", 
"NAMENODE", hostName);
     ServiceComponentHost sch2 = createNewServiceComponentHost(cluster, "HDFS", 
"DATANODE", hostName);
     ServiceComponentHost sch3 = createNewServiceComponentHost(cluster, 
"MAPREDUCE2", "HISTORYSERVER", hostName);
 
+    sch1.getServiceComponent().setDesiredRepositoryVersion(repositoryVersion);
+
     sch1.setDesiredState(State.INSTALLED);
     sch1.setState(State.INSTALLING);
-    sch1.setStackVersion(new StackId(stackVersion));
 
     sch2.setDesiredState(State.INSTALLED);
     sch2.setState(State.INSTALLING);
-    sch2.setStackVersion(new StackId(stackVersion));
 
     sch3.setDesiredState(State.INSTALLED);
     sch3.setState(State.INSTALLING);
-    sch3.setStackVersion(new StackId(stackVersion));
 
     Assert.assertFalse(sch1.convertToResponse(null).isStaleConfig());
     Assert.assertFalse(sch2.convertToResponse(null).isStaleConfig());
@@ -883,7 +865,7 @@ public class ServiceComponentHostTest {
 
     // Test actual configs are updated for deleted config group
     Long id = configGroup.getId();
-    HashMap<String, String> tags = new HashMap<String, String>(2);
+    HashMap<String, String> tags = new HashMap<>(2);
     tags.put("tag", "version1");
     tags.put(id.toString(), "version2");
     actual.put("core-site", tags);
@@ -910,31 +892,28 @@ public class ServiceComponentHostTest {
     createCluster(stackId, clusterName);
 
     final String hostName = "h3";
-    Set<String> hostNames = new HashSet<String>();
+    Set<String> hostNames = new HashSet<>();
     hostNames.add(hostName);
     addHostsToCluster(clusterName, hostAttributes, hostNames);
 
     Cluster cluster = clusters.getCluster(clusterName);
 
-    helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
+    RepositoryVersionEntity repositoryVersion = 
helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
 
     ServiceComponentHost sch1 = createNewServiceComponentHost(cluster, "HDFS", 
"NAMENODE", hostName);
     ServiceComponentHost sch2 = createNewServiceComponentHost(cluster, "HDFS", 
"DATANODE", hostName);
     ServiceComponentHost sch3 = createNewServiceComponentHost(cluster, 
"MAPREDUCE2", "HISTORYSERVER", hostName);
 
+    sch1.getServiceComponent().setDesiredRepositoryVersion(repositoryVersion);
+
     sch1.setDesiredState(State.INSTALLED);
     sch1.setState(State.INSTALLING);
-    sch1.setStackVersion(new StackId(stackVersion));
 
     sch2.setDesiredState(State.INSTALLED);
     sch2.setState(State.INSTALLING);
-    sch2.setStackVersion(new StackId(stackVersion));
 
     sch3.setDesiredState(State.INSTALLED);
     sch3.setState(State.INSTALLING);
-    sch3.setStackVersion(new StackId(stackVersion));
 
     Assert.assertFalse(sch1.convertToResponse(null).isStaleConfig());
     Assert.assertFalse(sch2.convertToResponse(null).isStaleConfig());
@@ -977,7 +956,7 @@ public class ServiceComponentHostTest {
     Assert.assertFalse(sch3.convertToResponse(null).isStaleConfig());
 
     // Now add config-attributes
-    Map<String, Map<String, String>> c1PropAttributes = new HashMap<String, 
Map<String,String>>();
+    Map<String, Map<String, String>> c1PropAttributes = new HashMap<>();
     c1PropAttributes.put("final", new HashMap<String, String>());
     c1PropAttributes.get("final").put("hdfs1", "true");
     makeConfig(cluster, "hdfs-site", "version2",
@@ -992,7 +971,7 @@ public class ServiceComponentHostTest {
     Assert.assertFalse(sch3.convertToResponse(null).isStaleConfig());
 
     // Now change config-attributes
-    Map<String, Map<String, String>> c2PropAttributes = new HashMap<String, 
Map<String,String>>();
+    Map<String, Map<String, String>> c2PropAttributes = new HashMap<>();
     c2PropAttributes.put("final", new HashMap<String, String>());
     c2PropAttributes.get("final").put("hdfs1", "false");
     makeConfig(cluster, "hdfs-site", "version3",
@@ -1040,15 +1019,13 @@ public class ServiceComponentHostTest {
     createCluster(stackId, clusterName);
 
     final String hostName = "h3";
-    Set<String> hostNames = new HashSet<String>();
+    Set<String> hostNames = new HashSet<>();
     hostNames.add(hostName);
     addHostsToCluster(clusterName, hostAttributes, hostNames);
 
     Cluster cluster = clusters.getCluster(clusterName);
 
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
 
     HostEntity hostEntity = hostDAO.findByName(hostName);
     Assert.assertNotNull(hostEntity);
@@ -1087,15 +1064,13 @@ public class ServiceComponentHostTest {
     createCluster(stackId, clusterName);
 
     final String hostName = "h3";
-    Set<String> hostNames = new HashSet<String>();
+    Set<String> hostNames = new HashSet<>();
     hostNames.add(hostName);
     addHostsToCluster(clusterName, hostAttributes, hostNames);
 
     Cluster cluster = clusters.getCluster(clusterName);
 
     helper.getOrCreateRepositoryVersion(stackId, stackId.getStackVersion());
-    cluster.createClusterVersion(stackId, stackId.getStackVersion(), "admin",
-        RepositoryVersionState.INSTALLING);
 
     HostEntity hostEntity = hostDAO.findByName(hostName);
     ServiceComponentHost sch1 = createNewServiceComponentHost(cluster, "HDFS", 
"NAMENODE", hostName);
@@ -1127,4 +1102,4 @@ public class ServiceComponentHostTest {
       }
     }
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
index 587d0af..101c693 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/topology/TopologyManagerTest.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -46,7 +46,6 @@ import java.util.concurrent.Future;
 
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.HostRoleStatus;
-import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.controller.ClusterRequest;
 import org.apache.ambari.server.controller.ConfigurationRequest;
 import org.apache.ambari.server.controller.RequestStatusResponse;
@@ -101,7 +100,6 @@ public class TopologyManagerTest {
   private static final String SAMPLE_QUICKLINKS_PROFILE_2 =
       
"{\"filters\":[],\"services\":[{\"name\":\"HDFS\",\"components\":[],\"filters\":[{\"visible\":true}]}]}";
 
-
   @Rule
   public EasyMockRule mocks = new EasyMockRule(this);
 
@@ -182,19 +180,19 @@ public class TopologyManagerTest {
 
   private HostGroupInfo group1Info = new HostGroupInfo("group1");
   private HostGroupInfo group2Info = new HostGroupInfo("group2");
-  private Map<String, HostGroupInfo> groupInfoMap = new HashMap<String, 
HostGroupInfo>();
+  private Map<String, HostGroupInfo> groupInfoMap = new HashMap<>();
 
   private Collection<Component> group1Components = Arrays.asList(new 
Component("component1"), new Component("component2"), new 
Component("component3"));
   private Collection<Component> group2Components = Arrays.asList(new 
Component("component3"), new Component("component4"));
 
-  private Map<String, Collection<String>> group1ServiceComponents = new 
HashMap<String, Collection<String>>();
-  private Map<String, Collection<String>> group2ServiceComponents = new 
HashMap<String, Collection<String>>();
+  private Map<String, Collection<String>> group1ServiceComponents = new 
HashMap<>();
+  private Map<String, Collection<String>> group2ServiceComponents = new 
HashMap<>();
 
-  private Map<String, Collection<String>> serviceComponents = new 
HashMap<String, Collection<String>>();
+  private Map<String, Collection<String>> serviceComponents = new HashMap<>();
 
   private String predicate = "Hosts/host_name=foo";
 
-  private List<TopologyValidator> topologyValidators = new 
ArrayList<TopologyValidator>();
+  private List<TopologyValidator> topologyValidators = new ArrayList<>();
 
   private Capture<ClusterTopology> clusterTopologyCapture;
   private Capture<Map<String, Object>> configRequestPropertiesCapture;
@@ -216,7 +214,7 @@ public class TopologyManagerTest {
     topoConfiguration.setProperty("service2-site", "s2-prop", "s2-prop-value");
     topoConfiguration.setProperty("cluster-env", "g-prop", "g-prop-value");
 
-    //clusterRequestCapture = new Capture<ClusterRequest>();
+    //clusterRequestCapture = EasyMock.newCapture();
     // group 1 has fqdn specified
     group1Info.addHost("host1");
     group1Info.setConfiguration(topoGroup1Config);
@@ -228,7 +226,7 @@ public class TopologyManagerTest {
     groupInfoMap.put("group1", group1Info);
     groupInfoMap.put("group2", group2Info);
 
-    Map<String, HostGroup> groupMap = new HashMap<String, HostGroup>();
+    Map<String, HostGroup> groupMap = new HashMap<>();
     groupMap.put("group1", group1);
     groupMap.put("group2", group2);
 
@@ -284,9 +282,8 @@ public class TopologyManagerTest {
     expect(request.getDescription()).andReturn("Provision Cluster 
Test").anyTimes();
     expect(request.getConfiguration()).andReturn(topoConfiguration).anyTimes();
     expect(request.getHostGroupInfo()).andReturn(groupInfoMap).anyTimes();
-
+    expect(request.getRepositoryVersion()).andReturn("1").anyTimes();
     
expect(request.getConfigRecommendationStrategy()).andReturn(ConfigRecommendationStrategy.NEVER_APPLY).anyTimes();
-
     expect(request.getSecurityConfiguration()).andReturn(null).anyTimes();
 
 
@@ -540,7 +537,7 @@ public class TopologyManagerTest {
     HashSet<Map<String, Object>> propertySet = new HashSet<>();
     Map<String,Object> properties = new TreeMap<>();
     properties.put(HostResourceProvider.HOST_NAME_PROPERTY_ID, "host1");
-    properties.put(HostResourceProvider.HOSTGROUP_PROPERTY_ID, "group1");
+    properties.put(HostResourceProvider.HOST_GROUP_PROPERTY_ID, "group1");
     properties.put(HostResourceProvider.HOST_CLUSTER_NAME_PROPERTY_ID, 
CLUSTER_NAME);
     properties.put(HostResourceProvider.BLUEPRINT_PROPERTY_ID, BLUEPRINT_NAME);
     propertySet.add(properties);
@@ -615,4 +612,4 @@ public class TopologyManagerTest {
     settingEntity.setUpdateTimestamp(timeStamp);
     return settingEntity;
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogHelper.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogHelper.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogHelper.java
index 4c11d10..fbc9d43 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogHelper.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogHelper.java
@@ -1,4 +1,4 @@
-/**
+/*
  * 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
@@ -19,6 +19,7 @@ package org.apache.ambari.server.upgrade;
 
 import java.util.Collections;
 
+import org.apache.ambari.server.orm.OrmTestHelper;
 import org.apache.ambari.server.orm.dao.ClusterDAO;
 import org.apache.ambari.server.orm.dao.ClusterServiceDAO;
 import org.apache.ambari.server.orm.dao.HostComponentDesiredStateDAO;
@@ -30,6 +31,7 @@ import 
org.apache.ambari.server.orm.entities.ClusterServiceEntity;
 import org.apache.ambari.server.orm.entities.HostComponentDesiredStateEntity;
 import org.apache.ambari.server.orm.entities.HostComponentStateEntity;
 import org.apache.ambari.server.orm.entities.HostEntity;
+import org.apache.ambari.server.orm.entities.RepositoryVersionEntity;
 import org.apache.ambari.server.orm.entities.ResourceEntity;
 import org.apache.ambari.server.orm.entities.ResourceTypeEntity;
 import 
org.apache.ambari.server.orm.entities.ServiceComponentDesiredStateEntity;
@@ -37,6 +39,7 @@ import 
org.apache.ambari.server.orm.entities.ServiceDesiredStateEntity;
 import org.apache.ambari.server.orm.entities.StackEntity;
 import org.apache.ambari.server.security.authorization.ResourceType;
 import org.apache.ambari.server.state.HostComponentAdminState;
+import org.apache.ambari.server.state.StackId;
 import org.apache.ambari.server.state.State;
 
 import com.google.inject.Injector;
@@ -49,7 +52,8 @@ import com.google.inject.persist.Transactional;
 public class UpgradeCatalogHelper {
 
   /**
-   * Creates a cluster with the specified name and stack.
+   * Creates a cluster with the specified name and stack as well as the
+   * repository version.
    *
    * @param injector
    * @param clusterName
@@ -57,7 +61,7 @@ public class UpgradeCatalogHelper {
    * @return
    */
   protected ClusterEntity createCluster(Injector injector, String clusterName,
-      StackEntity desiredStackEntity) {
+      StackEntity desiredStackEntity, String repositoryVersion) {
     ResourceTypeDAO resourceTypeDAO = 
injector.getInstance(ResourceTypeDAO.class);
 
     // create an admin resource to represent this cluster
@@ -81,6 +85,12 @@ public class UpgradeCatalogHelper {
     clusterEntity.setResource(resourceEntity);
 
     clusterDAO.create(clusterEntity);
+
+    OrmTestHelper ormTestHelper = injector.getInstance(OrmTestHelper.class);
+    ormTestHelper.getOrCreateRepositoryVersion(
+        new StackId(desiredStackEntity.getStackName(), 
desiredStackEntity.getStackVersion()),
+        repositoryVersion);
+
     return clusterEntity;
   }
 
@@ -110,19 +120,19 @@ public class UpgradeCatalogHelper {
    * @param injector
    * @param clusterEntity
    * @param serviceName
-   * @param desiredStackEntity
+   * @param desiredRepositoryVersion
    * @return
    */
   protected ClusterServiceEntity addService(Injector injector,
       ClusterEntity clusterEntity, String serviceName,
-      StackEntity desiredStackEntity) {
+      RepositoryVersionEntity desiredRepositoryVersion) {
     ClusterDAO clusterDAO = injector.getInstance(ClusterDAO.class);
 
     ClusterServiceEntity clusterServiceEntity = createService(injector,
         clusterEntity, serviceName);
 
     ServiceDesiredStateEntity serviceDesiredStateEntity = new 
ServiceDesiredStateEntity();
-    serviceDesiredStateEntity.setDesiredStack(desiredStackEntity);
+    
serviceDesiredStateEntity.setDesiredRepositoryVersion(desiredRepositoryVersion);
     serviceDesiredStateEntity.setClusterId(1L);
     serviceDesiredStateEntity.setServiceName(serviceName);
     serviceDesiredStateEntity.setClusterServiceEntity(clusterServiceEntity);
@@ -158,18 +168,11 @@ public class UpgradeCatalogHelper {
 
   /**
    * Adds a host component for a given service and host.
-   *
-   * @param injector
-   * @param clusterEntity
-   * @param clusterServiceEntity
-   * @param hostEntity
-   * @param componentName
-   * @param desiredStackEntity
    */
   @Transactional
   protected void addComponent(Injector injector, ClusterEntity clusterEntity,
       ClusterServiceEntity clusterServiceEntity, HostEntity hostEntity,
-      String componentName, StackEntity desiredStackEntity) {
+      String componentName, StackEntity desiredStackEntity, 
RepositoryVersionEntity desiredRepositoryVersion) {
     ServiceComponentDesiredStateDAO serviceComponentDesiredStateDAO = 
injector.getInstance(
         ServiceComponentDesiredStateDAO.class);
 
@@ -177,9 +180,10 @@ public class UpgradeCatalogHelper {
     componentDesiredStateEntity.setClusterServiceEntity(clusterServiceEntity);
     componentDesiredStateEntity.setComponentName(componentName);
     
componentDesiredStateEntity.setServiceName(clusterServiceEntity.getServiceName());
-    componentDesiredStateEntity.setDesiredStack(desiredStackEntity);
     componentDesiredStateEntity.setClusterServiceEntity(clusterServiceEntity);
     
componentDesiredStateEntity.setClusterId(clusterServiceEntity.getClusterId());
+    
componentDesiredStateEntity.setDesiredRepositoryVersion(desiredRepositoryVersion);
+
     serviceComponentDesiredStateDAO.create(componentDesiredStateEntity);
 
     HostComponentDesiredStateDAO hostComponentDesiredStateDAO = 
injector.getInstance(HostComponentDesiredStateDAO.class);
@@ -190,7 +194,6 @@ public class UpgradeCatalogHelper {
     
hostComponentDesiredStateEntity.setAdminState(HostComponentAdminState.INSERVICE);
     
hostComponentDesiredStateEntity.setServiceComponentDesiredStateEntity(componentDesiredStateEntity);
     hostComponentDesiredStateEntity.setHostEntity(hostEntity);
-    hostComponentDesiredStateEntity.setDesiredStack(desiredStackEntity);
     hostComponentDesiredStateDAO.create(hostComponentDesiredStateEntity);
 
     HostComponentStateEntity hostComponentStateEntity = new 
HostComponentStateEntity();
@@ -198,9 +201,7 @@ public class UpgradeCatalogHelper {
     hostComponentStateEntity.setComponentName(componentName);
     
hostComponentStateEntity.setServiceName(clusterServiceEntity.getServiceName());
     hostComponentStateEntity.setClusterId(clusterEntity.getClusterId());
-    hostComponentStateEntity.setCurrentStack(clusterEntity.getDesiredStack());
     
hostComponentStateEntity.setServiceComponentDesiredStateEntity(componentDesiredStateEntity);
-    hostComponentStateEntity.setCurrentStack(desiredStackEntity);
 
     
componentDesiredStateEntity.setHostComponentStateEntities(Collections.singletonList(hostComponentStateEntity));
     
componentDesiredStateEntity.setHostComponentDesiredStateEntities(Collections.singletonList(hostComponentDesiredStateEntity));
@@ -217,4 +218,4 @@ public class UpgradeCatalogHelper {
     hostDAO.merge(hostEntity);
     clusterServiceDAO.merge(clusterServiceEntity);
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogTest.java
index 4f0e7b0..fbf5e05 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalogTest.java
@@ -17,35 +17,27 @@
  */
 package org.apache.ambari.server.upgrade;
 
-import com.google.inject.Guice;
-import com.google.inject.Inject;
-import com.google.inject.Injector;
-import com.google.inject.multibindings.Multibinder;
-import junit.framework.Assert;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.Set;
+
 import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.H2DatabaseCleaner;
 import org.apache.ambari.server.api.services.AmbariMetaInfo;
-import org.apache.ambari.server.controller.AmbariManagementController;
-import org.apache.ambari.server.controller.ClusterRequest;
-import org.apache.ambari.server.controller.ConfigurationRequest;
 import org.apache.ambari.server.orm.GuiceJpaInitializer;
 import org.apache.ambari.server.orm.InMemoryDefaultTestModule;
 import org.apache.ambari.server.security.TestAuthenticationFactory;
-import org.apache.ambari.server.state.Cluster;
-import org.apache.ambari.server.state.Clusters;
-import org.apache.ambari.server.state.Config;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.security.core.context.SecurityContextHolder;
 
-import java.sql.SQLException;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import com.google.inject.Guice;
+import com.google.inject.Inject;
+import com.google.inject.Injector;
+import com.google.inject.multibindings.Multibinder;
+
+import junit.framework.Assert;
 
 public class UpgradeCatalogTest {
   private Injector injector;
@@ -90,8 +82,8 @@ public class UpgradeCatalogTest {
       Multibinder<UpgradeCatalog> catalogBinder =
         Multibinder.newSetBinder(binder(), UpgradeCatalog.class);
       catalogBinder.addBinding().to(UpgradeCatalog201.class);
-      catalogBinder.addBinding().to(UpgradeCatalog200.class);
-      catalogBinder.addBinding().to(UpgradeCatalog210.class);
+      catalogBinder.addBinding().to(UpgradeCatalog251.class);
+      catalogBinder.addBinding().to(UpgradeCatalog252.class);
     }
   }
 
@@ -121,13 +113,13 @@ public class UpgradeCatalogTest {
     Set<UpgradeCatalog> upgradeCatalogSet = 
schemaUpgradeHelper.getAllUpgradeCatalogs();
 
     Assert.assertNotNull(upgradeCatalogSet);
-    Assert.assertEquals(3, upgradeCatalogSet.size());
+    Assert.assertEquals(4, upgradeCatalogSet.size());
 
-    List<UpgradeCatalog> upgradeCatalogs = 
schemaUpgradeHelper.getUpgradePath(null, "2.0.1");
+    List<UpgradeCatalog> upgradeCatalogs = 
schemaUpgradeHelper.getUpgradePath(null, "2.5.1");
 
     Assert.assertNotNull(upgradeCatalogs);
     Assert.assertEquals(2, upgradeCatalogs.size());
-    Assert.assertEquals("2.0.0", upgradeCatalogs.get(0).getTargetVersion());
-    Assert.assertEquals("2.0.1", upgradeCatalogs.get(1).getTargetVersion());
+    Assert.assertEquals("2.0.1", upgradeCatalogs.get(0).getTargetVersion());
+    Assert.assertEquals("2.5.1", upgradeCatalogs.get(1).getTargetVersion());
   }
-}
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ambari/blob/56362fd6/ambari-server/src/test/java/org/apache/ambari/server/utils/StageUtilsTest.java
----------------------------------------------------------------------
diff --git 
a/ambari-server/src/test/java/org/apache/ambari/server/utils/StageUtilsTest.java
 
b/ambari-server/src/test/java/org/apache/ambari/server/utils/StageUtilsTest.java
index 88f6f20..c068c5b 100644
--- 
a/ambari-server/src/test/java/org/apache/ambari/server/utils/StageUtilsTest.java
+++ 
b/ambari-server/src/test/java/org/apache/ambari/server/utils/StageUtilsTest.java
@@ -46,7 +46,6 @@ import java.util.TreeMap;
 import javax.persistence.EntityManager;
 import javax.xml.bind.JAXBException;
 
-import org.apache.ambari.server.AmbariException;
 import org.apache.ambari.server.actionmanager.ExecutionCommandWrapper;
 import org.apache.ambari.server.actionmanager.ExecutionCommandWrapperFactory;
 import org.apache.ambari.server.actionmanager.HostRoleCommandFactory;
@@ -74,7 +73,6 @@ import org.apache.ambari.server.state.Service;
 import org.apache.ambari.server.state.ServiceComponent;
 import org.apache.ambari.server.state.ServiceComponentHost;
 import org.apache.ambari.server.state.ServiceComponentHostFactory;
-import org.apache.ambari.server.state.StackId;
 import org.apache.ambari.server.state.cluster.ClusterFactory;
 import org.apache.ambari.server.state.host.HostFactory;
 import org.apache.ambari.server.state.stack.OsFamily;
@@ -140,29 +138,6 @@ public class StageUtilsTest extends EasyMockSupport {
     StageUtils.setConfiguration(injector.getInstance(Configuration.class));
   }
 
-
-  public static void addService(Cluster cl, List<String> hostList,
-                                Map<String, List<Integer>> topology, String 
serviceName,
-                                Injector injector) throws AmbariException {
-    ServiceComponentHostFactory serviceComponentHostFactory = 
injector.getInstance(ServiceComponentHostFactory.class);
-
-    cl.setDesiredStackVersion(new StackId(STACK_ID));
-    cl.addService(serviceName);
-
-    for (Entry<String, List<Integer>> component : topology.entrySet()) {
-      String componentName = component.getKey();
-      cl.getService(serviceName).addServiceComponent(componentName);
-
-      for (Integer hostIndex : component.getValue()) {
-        cl.getService(serviceName)
-            .getServiceComponent(componentName)
-            .addServiceComponentHost(
-                
serviceComponentHostFactory.createNew(cl.getService(serviceName)
-                    .getServiceComponent(componentName), 
hostList.get(hostIndex)));
-      }
-    }
-  }
-
   @Test
   public void testGetATestStage() {
     StageUtils stageUtils = new 
StageUtils(injector.getInstance(StageFactory.class));
@@ -195,8 +170,8 @@ public class StageUtilsTest extends EasyMockSupport {
     StageUtils stageUtils = new 
StageUtils(injector.getInstance(StageFactory.class));
     Stage s = StageUtils.getATestStage(1, 2, "host1", "clusterHostInfo", 
"hostParamsStage");
     ExecutionCommand cmd = 
s.getExecutionCommands("host1").get(0).getExecutionCommand();
-    HashMap<String, Map<String, String>> configTags = new HashMap<String, 
Map<String, String>>();
-    Map<String, String> globalTag = new HashMap<String, String>();
+    HashMap<String, Map<String, String>> configTags = new HashMap<>();
+    Map<String, String> globalTag = new HashMap<>();
     globalTag.put("tag", "version1");
     configTags.put("global", globalTag);
     cmd.setConfigurationTags(configTags);
@@ -221,8 +196,8 @@ public class StageUtilsTest extends EasyMockSupport {
 
     final Clusters clusters = createNiceMock(Clusters.class);
 
-    List<Host> hosts = new ArrayList<Host>();
-    List<String> hostNames = new ArrayList<String>();
+    List<Host> hosts = new ArrayList<>();
+    List<String> hostNames = new ArrayList<>();
 
     List<Integer> pingPorts = Arrays.asList(StageUtils.DEFAULT_PING_PORT,
         StageUtils.DEFAULT_PING_PORT,
@@ -324,7 +299,7 @@ public class StageUtilsTest extends EasyMockSupport {
     final ServiceComponentHost nns7ServiceComponentHost = 
createMock(ServiceComponentHost.class);
     
expect(nns7ServiceComponentHost.getComponentAdminState()).andReturn(HostComponentAdminState.INSERVICE).anyTimes();
 
-    Map<String, Collection<String>> projectedTopology = new HashMap<String, 
Collection<String>>();
+    Map<String, Collection<String>> projectedTopology = new HashMap<>();
 
 
     final HashMap<String, ServiceComponentHost> nnServiceComponentHosts = new 
HashMap<String, ServiceComponentHost>() {
@@ -582,16 +557,16 @@ public class StageUtilsTest extends EasyMockSupport {
 
     Set<String> actualPingPorts = info.get(StageUtils.PORTS);
     if (pingPorts.contains(null)) {
-      assertEquals(new HashSet<Integer>(pingPorts).size(), 
actualPingPorts.size() + 1);
+      assertEquals(new HashSet<>(pingPorts).size(), actualPingPorts.size() + 
1);
     } else {
-      assertEquals(new HashSet<Integer>(pingPorts).size(), 
actualPingPorts.size());
+      assertEquals(new HashSet<>(pingPorts).size(), actualPingPorts.size());
     }
 
     List<Integer> pingPortsActual = 
getRangeMappedDecompressedSet(actualPingPorts);
-    List<Integer> reindexedPorts = getReindexedList(pingPortsActual, new 
ArrayList<String>(allHosts), hostNames);
+    List<Integer> reindexedPorts = getReindexedList(pingPortsActual, new 
ArrayList<>(allHosts), hostNames);
 
     //Treat null values
-    List<Integer> expectedPingPorts = new ArrayList<Integer>(pingPorts);
+    List<Integer> expectedPingPorts = new ArrayList<>(pingPorts);
     for (int i = 0; i < expectedPingPorts.size(); i++) {
       if (expectedPingPorts.get(i) == null) {
         expectedPingPorts.set(i, StageUtils.DEFAULT_PING_PORT);
@@ -631,7 +606,7 @@ public class StageUtilsTest extends EasyMockSupport {
         Collection<String> components = projectedTopology.get(hostname);
 
         if (components == null) {
-          components = new HashSet<String>();
+          components = new HashSet<>();
           projectedTopology.put(hostname, components);
         }
 
@@ -642,8 +617,8 @@ public class StageUtilsTest extends EasyMockSupport {
 
   private void checkServiceHostIndexes(Map<String, Set<String>> info, String 
componentName, String mappedComponentName,
                                        Map<String, Collection<String>> 
serviceTopology, List<String> hostList) {
-    Set<Integer> expectedHostsList = new HashSet<Integer>();
-    Set<Integer> actualHostsList = new HashSet<Integer>();
+    Set<Integer> expectedHostsList = new HashSet<>();
+    Set<Integer> actualHostsList = new HashSet<>();
 
     // Determine the expected hosts for a given component...
     for (Entry<String, Collection<String>> entry : serviceTopology.entrySet()) 
{
@@ -663,8 +638,8 @@ public class StageUtilsTest extends EasyMockSupport {
 
   private void checkServiceHostNames(Map<String, Set<String>> info, String 
componentName, String mappedComponentName,
                                      Map<String, Collection<String>> 
serviceTopology) {
-    Set<String> expectedHostsList = new HashSet<String>();
-    Set<String> actualHostsList = new HashSet<String>();
+    Set<String> expectedHostsList = new HashSet<>();
+    Set<String> actualHostsList = new HashSet<>();
 
     // Determine the expected hosts for a given component...
     for (Entry<String, Collection<String>> entry : serviceTopology.entrySet()) 
{
@@ -684,7 +659,7 @@ public class StageUtilsTest extends EasyMockSupport {
 
   private Set<Integer> getDecompressedSet(Set<String> set) {
 
-    Set<Integer> resultSet = new HashSet<Integer>();
+    Set<Integer> resultSet = new HashSet<>();
 
     for (String index : set) {
       String[] ranges = index.split(",");
@@ -712,7 +687,7 @@ public class StageUtilsTest extends EasyMockSupport {
 
   private List<Integer> getRangeMappedDecompressedSet(Set<String> 
compressedSet) {
 
-    SortedMap<Integer, Integer> resultMap = new TreeMap<Integer, Integer>();
+    SortedMap<Integer, Integer> resultMap = new TreeMap<>();
 
     for (String token : compressedSet) {
 
@@ -728,7 +703,7 @@ public class StageUtilsTest extends EasyMockSupport {
       String rangeTokens = split[1];
 
       Set<String> rangeTokensSet =
-          new HashSet<String>(Arrays.asList(rangeTokens.split(",")));
+          new HashSet<>(Arrays.asList(rangeTokens.split(",")));
 
       Set<Integer> decompressedSet = getDecompressedSet(rangeTokensSet);
 
@@ -738,7 +713,7 @@ public class StageUtilsTest extends EasyMockSupport {
 
     }
 
-    List<Integer> resultList = new ArrayList<Integer>(resultMap.values());
+    List<Integer> resultList = new ArrayList<>(resultMap.values());
 
     return resultList;
 
@@ -747,7 +722,7 @@ public class StageUtilsTest extends EasyMockSupport {
   private List<Integer> getReindexedList(List<Integer> list,
                                          List<String> currentIndexes, 
List<String> desiredIndexes) {
 
-    SortedMap<Integer, Integer> sortedMap = new TreeMap<Integer, Integer>();
+    SortedMap<Integer, Integer> sortedMap = new TreeMap<>();
 
     int index = 0;
 
@@ -758,7 +733,7 @@ public class StageUtilsTest extends EasyMockSupport {
       index++;
     }
 
-    return new ArrayList<Integer>(sortedMap.values());
+    return new ArrayList<>(sortedMap.values());
   }
 
   private String getHostName() {

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