diff --git a/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java b/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
index 82f400a..3ff63a5 100644
--- a/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
+++ b/core/api/src/main/java/org/onosproject/event/AbstractListenerManager.java
@@ -15,7 +15,6 @@
  */
 package org.onosproject.event;
 
-import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.component.annotations.ReferenceCardinality;
 
diff --git a/core/api/src/main/java/org/onosproject/net/driver/AbstractDriverLoader.java b/core/api/src/main/java/org/onosproject/net/driver/AbstractDriverLoader.java
index 9271fd9..c1ae98d 100644
--- a/core/api/src/main/java/org/onosproject/net/driver/AbstractDriverLoader.java
+++ b/core/api/src/main/java/org/onosproject/net/driver/AbstractDriverLoader.java
@@ -15,7 +15,6 @@
  */
 package org.onosproject.net.driver;
 
-import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.component.annotations.ReferenceCardinality;
 
diff --git a/core/api/src/main/java/org/onosproject/rest/AbstractApiDocRegistrator.java b/core/api/src/main/java/org/onosproject/rest/AbstractApiDocRegistrator.java
index 8cbdf23..82478ee 100644
--- a/core/api/src/main/java/org/onosproject/rest/AbstractApiDocRegistrator.java
+++ b/core/api/src/main/java/org/onosproject/rest/AbstractApiDocRegistrator.java
@@ -16,7 +16,6 @@
 package org.onosproject.rest;
 
 import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Deactivate;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.component.annotations.ReferenceCardinality;
diff --git a/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java b/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
index 3ef33f7..5958708 100644
--- a/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
+++ b/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java
@@ -107,7 +107,9 @@
 
     @Override
     public void registerProperties(Class<?> componentClass) {
-        if (true) return;
+        if (true) {
+            return;
+        }
 
         checkPermission(CONFIG_WRITE);
 
@@ -133,7 +135,9 @@
 
     @Override
     public void unregisterProperties(Class<?> componentClass, boolean clear) {
-        if (true) return;
+        if (true) {
+            return;
+        }
 
         checkPermission(CONFIG_WRITE);
 
diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/ClusterMetadataManager.java b/core/net/src/main/java/org/onosproject/cluster/impl/ClusterMetadataManager.java
index b242a3c..3cf47ba 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/ClusterMetadataManager.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/ClusterMetadataManager.java
@@ -29,15 +29,12 @@
 import org.onosproject.cluster.DefaultControllerNode;
 import org.onosproject.cluster.NodeId;
 import org.onosproject.cluster.PartitionId;
-import org.onosproject.event.EventDeliveryService;
 import org.onosproject.net.provider.AbstractListenerProviderRegistry;
 import org.onosproject.net.provider.AbstractProviderService;
 import org.onosproject.store.service.Versioned;
 import org.osgi.service.component.annotations.Activate;
 import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.net.Inet4Address;
@@ -57,7 +54,9 @@
 /**
  * Implementation of ClusterMetadataService.
  */
-@Component(immediate = true, service = {ClusterMetadataService.class, ClusterMetadataAdminService.class, ClusterMetadataProviderRegistry.class})
+@Component(immediate = true,
+           service = {ClusterMetadataService.class, ClusterMetadataAdminService.class,
+                      ClusterMetadataProviderRegistry.class})
 public class ClusterMetadataManager
     extends AbstractListenerProviderRegistry<ClusterMetadataEvent,
                                              ClusterMetadataEventListener,
diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
index 8cd2d13..e07cb259 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/ConfigFileBasedClusterMetadataProvider.java
@@ -36,7 +36,6 @@
 import org.osgi.service.component.annotations.Deactivate;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.component.annotations.ReferenceCardinality;
-import org.onlab.packet.IpAddress;
 
 import org.onosproject.cluster.ClusterMetadata;
 import org.onosproject.cluster.ClusterMetadataProvider;
diff --git a/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java b/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
index 369b65b..2a9096a 100644
--- a/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
+++ b/core/net/src/main/java/org/onosproject/cluster/impl/MastershipManager.java
@@ -80,8 +80,9 @@
 /**
  * Component providing the node-device mastership service.
  */
-@Component(immediate = true, service = {MastershipService.class, MastershipAdminService.class, MastershipTermService.class,
-        MetricsHelper.class})
+@Component(immediate = true,
+           service = {MastershipService.class, MastershipAdminService.class, MastershipTermService.class,
+                      MetricsHelper.class})
 public class MastershipManager
         extends AbstractListenerManager<MastershipEvent, MastershipListener>
         implements MastershipService, MastershipAdminService, MastershipTermService,
diff --git a/core/net/src/main/java/org/onosproject/net/device/impl/DeviceManager.java b/core/net/src/main/java/org/onosproject/net/device/impl/DeviceManager.java
index 2128435..4caf74e 100644
--- a/core/net/src/main/java/org/onosproject/net/device/impl/DeviceManager.java
+++ b/core/net/src/main/java/org/onosproject/net/device/impl/DeviceManager.java
@@ -109,7 +109,9 @@
 /**
  * Provides implementation of the device SB &amp; NB APIs.
  */
-@Component(immediate = true, service = {DeviceService.class, DeviceAdminService.class, DeviceProviderRegistry.class, PortConfigOperatorRegistry.class })
+@Component(immediate = true,
+           service = {DeviceService.class, DeviceAdminService.class,
+                      DeviceProviderRegistry.class, PortConfigOperatorRegistry.class })
 public class DeviceManager
         extends AbstractListenerProviderRegistry<DeviceEvent, DeviceListener, DeviceProvider, DeviceProviderService>
         implements DeviceService, DeviceAdminService, DeviceProviderRegistry, PortConfigOperatorRegistry {
diff --git a/core/net/src/main/java/org/onosproject/net/driver/impl/DriverRegistryManager.java b/core/net/src/main/java/org/onosproject/net/driver/impl/DriverRegistryManager.java
index b4b7b8e..02df30e 100644
--- a/core/net/src/main/java/org/onosproject/net/driver/impl/DriverRegistryManager.java
+++ b/core/net/src/main/java/org/onosproject/net/driver/impl/DriverRegistryManager.java
@@ -23,7 +23,6 @@
 import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Deactivate;
 import org.osgi.service.component.annotations.Modified;
-import org.osgi.service.component.annotations.ComponentPropertyType;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.cfg.ComponentConfigService;
diff --git a/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java b/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
index fa9ba8e..9946f5f 100644
--- a/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
+++ b/core/net/src/main/java/org/onosproject/net/group/impl/GroupManager.java
@@ -67,7 +67,7 @@
 /**
  * Provides implementation of the group service APIs.
  */
-@Component(immediate = true,service = { GroupService.class, GroupProviderRegistry.class })
+@Component(immediate = true, service = { GroupService.class, GroupProviderRegistry.class })
 public class GroupManager
         extends AbstractListenerProviderRegistry<GroupEvent, GroupListener,
         GroupProvider, GroupProviderService>
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
index 08ce476..aee685e 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
@@ -90,7 +90,8 @@
 /**
  * An implementation of intent service.
  */
-@Component(immediate = true, service = { IntentService.class, IntentExtensionService.class, IntentInstallCoordinator.class })
+@Component(immediate = true,
+           service = { IntentService.class, IntentExtensionService.class, IntentInstallCoordinator.class })
 public class IntentManager
         extends AbstractListenerManager<IntentEvent, IntentListener>
         implements IntentService, IntentExtensionService, IntentInstallCoordinator {
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/MultiPointToSinglePointIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/MultiPointToSinglePointIntentCompiler.java
index 710f6e1..7caa4e1 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/MultiPointToSinglePointIntentCompiler.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/MultiPointToSinglePointIntentCompiler.java
@@ -17,21 +17,17 @@
 
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
-import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
-import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
-import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.intent.Intent;
 import org.onosproject.net.intent.IntentException;
-import org.onosproject.net.intent.IntentExtensionService;
 import org.onosproject.net.intent.LinkCollectionIntent;
 import org.onosproject.net.intent.MultiPointToSinglePointIntent;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 
 import java.util.Collections;
 import java.util.HashMap;
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/PointToPointIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/PointToPointIntentCompiler.java
index bc16ddc..ad65e46 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/PointToPointIntentCompiler.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/PointToPointIntentCompiler.java
@@ -16,11 +16,6 @@
 package org.onosproject.net.intent.impl.compiler;
 
 import com.google.common.collect.ImmutableSet;
-import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
-import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onlab.graph.ScalarWeight;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultPath;
@@ -31,7 +26,6 @@
 import org.onosproject.net.Path;
 import org.onosproject.net.Port;
 import org.onosproject.net.PortNumber;
-import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.flow.DefaultFlowRule;
 import org.onosproject.net.flow.DefaultTrafficSelector;
 import org.onosproject.net.flow.DefaultTrafficTreatment;
@@ -61,6 +55,11 @@
 import org.onosproject.net.intent.impl.PathNotFoundException;
 import org.onosproject.net.link.LinkService;
 import org.onosproject.net.provider.ProviderId;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import java.nio.ByteBuffer;
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/ProtectedTransportIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/ProtectedTransportIntentCompiler.java
index 6ca2014..2bbac10 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/ProtectedTransportIntentCompiler.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/ProtectedTransportIntentCompiler.java
@@ -15,29 +15,14 @@
  */
 package org.onosproject.net.intent.impl.compiler;
 
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.collect.Lists.transform;
-import static java.util.stream.Stream.concat;
-import static org.onosproject.net.MarkerResource.marker;
-import static org.onosproject.net.behaviour.protection.ProtectedTransportEndpointDescription.buildDescription;
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
+import com.google.common.annotations.Beta;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
 import org.apache.commons.lang3.RandomUtils;
 import org.apache.commons.lang3.tuple.Pair;
-import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
-import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onlab.packet.VlanId;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultLink;
@@ -58,16 +43,27 @@
 import org.onosproject.net.intent.ProtectionEndpointIntent;
 import org.onosproject.net.resource.DiscreteResourceId;
 import org.onosproject.net.resource.Resource;
-import org.onosproject.net.resource.ResourceService;
 import org.onosproject.net.resource.Resources;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.slf4j.Logger;
 
-import com.google.common.annotations.Beta;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.collect.Lists.transform;
+import static java.util.stream.Stream.concat;
+import static org.onosproject.net.MarkerResource.marker;
+import static org.onosproject.net.behaviour.protection.ProtectedTransportEndpointDescription.buildDescription;
+import static org.slf4j.LoggerFactory.getLogger;
 
 /**
  * IntentCompiler for {@link ProtectedTransportIntent}.
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java
index c924339..dfd2e0a 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/compiler/SinglePointToMultiPointIntentCompiler.java
@@ -16,19 +16,16 @@
 package org.onosproject.net.intent.impl.compiler;
 
 import com.google.common.collect.ImmutableSet;
-import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
-import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Link;
 import org.onosproject.net.Path;
-import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.intent.Intent;
 import org.onosproject.net.intent.IntentException;
 import org.onosproject.net.intent.LinkCollectionIntent;
 import org.onosproject.net.intent.SinglePointToMultiPointIntent;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 
 import java.util.Collections;
 import java.util.HashSet;
diff --git a/core/net/src/test/java/org/onosproject/app/impl/FeaturesServiceAdapter.java b/core/net/src/test/java/org/onosproject/app/impl/FeaturesServiceAdapter.java
index bdb28be..165d4e4 100644
--- a/core/net/src/test/java/org/onosproject/app/impl/FeaturesServiceAdapter.java
+++ b/core/net/src/test/java/org/onosproject/app/impl/FeaturesServiceAdapter.java
@@ -15,12 +15,15 @@
  */
 package org.onosproject.app.impl;
 
+import org.apache.karaf.features.DeploymentListener;
 import org.apache.karaf.features.Feature;
+import org.apache.karaf.features.FeatureState;
 import org.apache.karaf.features.FeaturesListener;
 import org.apache.karaf.features.Repository;
 
 import java.net.URI;
 import java.util.EnumSet;
+import java.util.Map;
 import java.util.Set;
 
 /**
@@ -28,6 +31,118 @@
  */
 public class FeaturesServiceAdapter implements org.apache.karaf.features.FeaturesService {
     @Override
+    public boolean isRepositoryUriBlacklisted(URI uri) {
+        return false;
+    }
+
+    @Override
+    public Repository[] listRequiredRepositories() throws Exception {
+        return new Repository[0];
+    }
+
+    @Override
+    public void setResolutionOutputFile(String s) {
+
+    }
+
+    @Override
+    public void installFeatures(Set<String> set, String s, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void addRequirements(Map<String, Set<String>> map, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void uninstallFeatures(Set<String> set, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void uninstallFeatures(Set<String> set, String s, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void removeRequirements(Map<String, Set<String>> map, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void updateFeaturesState(Map<String, Map<String, FeatureState>> map,
+                                    EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public void updateReposAndRequirements(Set<URI> set,
+                                           Map<String, Set<String>> map, EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
+    public Repository createRepository(URI uri) throws Exception {
+        return null;
+    }
+
+    @Override
+    public Feature[] listRequiredFeatures() throws Exception {
+        return new Feature[0];
+    }
+
+    @Override
+    public Map<String, Set<String>> listRequirements() {
+        return null;
+    }
+
+    @Override
+    public boolean isRequired(Feature feature) {
+        return false;
+    }
+
+    @Override
+    public void refreshRepositories(Set<URI> set) throws Exception {
+
+    }
+
+    @Override
+    public URI getRepositoryUriFor(String s, String s1) {
+        return null;
+    }
+
+    @Override
+    public String[] getRepositoryNames() {
+        return new String[0];
+    }
+
+    @Override
+    public void registerListener(DeploymentListener deploymentListener) {
+
+    }
+
+    @Override
+    public void unregisterListener(DeploymentListener deploymentListener) {
+
+    }
+
+    @Override
+    public FeatureState getState(String s) {
+        return null;
+    }
+
+    @Override
+    public String getFeatureXml(Feature feature) {
+        return null;
+    }
+
+    @Override
+    public void refreshFeatures(EnumSet<Option> enumSet) throws Exception {
+
+    }
+
+    @Override
     public void validateRepository(URI uri) throws Exception {
 
     }
@@ -103,7 +218,7 @@
     }
 
     @Override
-    public void installFeatures(Set<Feature> features, EnumSet<Option> options) throws Exception {
+    public void installFeatures(Set<String> features, EnumSet<Option> options) throws Exception {
 
     }
 
diff --git a/core/store/dist/src/main/java/org/onosproject/store/pi/impl/AbstractDistributedPiTranslationStore.java b/core/store/dist/src/main/java/org/onosproject/store/pi/impl/AbstractDistributedPiTranslationStore.java
index 59596fd..36d87b5 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/pi/impl/AbstractDistributedPiTranslationStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/pi/impl/AbstractDistributedPiTranslationStore.java
@@ -16,11 +16,6 @@
 
 package org.onosproject.store.pi.impl;
 
-import org.osgi.service.component.annotations.Activate;
-import org.osgi.service.component.annotations.Component;
-import org.osgi.service.component.annotations.Deactivate;
-import org.osgi.service.component.annotations.Reference;
-import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.net.pi.runtime.PiEntity;
 import org.onosproject.net.pi.runtime.PiHandle;
 import org.onosproject.net.pi.service.PiTranslatable;
@@ -35,6 +30,10 @@
 import org.onosproject.store.service.EventuallyConsistentMapListener;
 import org.onosproject.store.service.StorageService;
 import org.onosproject.store.service.WallClockTimestamp;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.slf4j.Logger;
 
 import static com.google.common.base.Preconditions.checkArgument;