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Posted to commits@gossip.apache.org by ec...@apache.org on 2017/05/06 15:51:42 UTC

[1/2] incubator-gossip git commit: GOSSIP-85 Factor out PassiveGossipThread

Repository: incubator-gossip
Updated Branches:
  refs/heads/master e3010c854 -> c62ebaf9b


http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-transport-udp/src/main/java/org/apache/gossip/transport/udp/UdpTransportManager.java
----------------------------------------------------------------------
diff --git a/gossip-transport-udp/src/main/java/org/apache/gossip/transport/udp/UdpTransportManager.java b/gossip-transport-udp/src/main/java/org/apache/gossip/transport/udp/UdpTransportManager.java
index 3f509a6..d6aaa15 100644
--- a/gossip-transport-udp/src/main/java/org/apache/gossip/transport/udp/UdpTransportManager.java
+++ b/gossip-transport-udp/src/main/java/org/apache/gossip/transport/udp/UdpTransportManager.java
@@ -19,6 +19,7 @@ package org.apache.gossip.transport.udp;
 
 import org.apache.gossip.manager.GossipCore;
 import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.model.Base;
 import org.apache.gossip.transport.AbstractTransportManager;
 import org.apache.log4j.Logger;
 
@@ -30,12 +31,13 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.net.SocketException;
 import java.net.URI;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * This class is constructed by reflection in GossipManager.
  * It manages transport (byte read/write) operations over UDP.
  */
-public class UdpTransportManager extends AbstractTransportManager {
+public class UdpTransportManager extends AbstractTransportManager implements Runnable {
   
   public static final Logger LOGGER = Logger.getLogger(UdpTransportManager.class);
   
@@ -44,12 +46,14 @@ public class UdpTransportManager extends AbstractTransportManager {
   
   private final int soTimeout;
   
+  private final Thread me;
+  
+  private final AtomicBoolean keepRunning = new AtomicBoolean(true);
+  
   /** required for reflection to work! */
   public UdpTransportManager(GossipManager gossipManager, GossipCore gossipCore) {
     super(gossipManager, gossipCore);
-    
     soTimeout = gossipManager.getSettings().getGossipInterval() * 2;
-    
     try {
       SocketAddress socketAddress = new InetSocketAddress(gossipManager.getMyself().getUri().getHost(),
               gossipManager.getMyself().getUri().getPort());
@@ -58,12 +62,38 @@ public class UdpTransportManager extends AbstractTransportManager {
       LOGGER.warn(ex);
       throw new RuntimeException(ex);
     }
+    me = new Thread(this);
   }
 
   @Override
+  public void run() {
+    while (keepRunning.get()) {
+      try {
+        byte[] buf = read();
+        try {
+          Base message = gossipManager.getProtocolManager().read(buf);
+          gossipCore.receive(message);
+          //TODO this is suspect
+          gossipManager.getMemberStateRefresher().run();
+        } catch (RuntimeException ex) {//TODO trap json exception
+          LOGGER.error("Unable to process message", ex);
+        }
+      } catch (IOException e) {
+        // InterruptedException are completely normal here because of the blocking lifecycle.
+        if (!(e.getCause() instanceof InterruptedException)) {
+          LOGGER.error(e);
+        }
+        keepRunning.set(false);
+      }
+    }
+  }
+  
+  @Override
   public void shutdown() {
+    keepRunning.set(false);
     server.close();
     super.shutdown();
+    me.interrupt();
   }
 
   /**
@@ -81,13 +111,13 @@ public class UdpTransportManager extends AbstractTransportManager {
 
   @Override
   public void send(URI endpoint, byte[] buf) throws IOException {
-    DatagramSocket socket = new DatagramSocket();
-    socket.setSoTimeout(soTimeout);
-    InetAddress dest = InetAddress.getByName(endpoint.getHost());
-    DatagramPacket payload = new DatagramPacket(buf, buf.length, dest, endpoint.getPort());
-    socket.send(payload);
     // todo: investigate UDP socket reuse. It would save a little setup/teardown time wrt to the local socket.
-    socket.close();
+    try (DatagramSocket socket = new DatagramSocket()){
+      socket.setSoTimeout(soTimeout);
+      InetAddress dest = InetAddress.getByName(endpoint.getHost());
+      DatagramPacket payload = new DatagramPacket(buf, buf.length, dest, endpoint.getPort());
+      socket.send(payload);
+    }
   }
   
   private void debug(byte[] jsonBytes) {
@@ -96,4 +126,10 @@ public class UdpTransportManager extends AbstractTransportManager {
       LOGGER.debug("Received message ( bytes): " + receivedMessage);
     }
   }
+
+  @Override
+  public void startEndpoint() {
+    me.start();
+  }
+  
 }

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-transport-udp/src/test/java/org/apache/gossip/transport/udp/UdpTransportIntegrationTest.java
----------------------------------------------------------------------
diff --git a/gossip-transport-udp/src/test/java/org/apache/gossip/transport/udp/UdpTransportIntegrationTest.java b/gossip-transport-udp/src/test/java/org/apache/gossip/transport/udp/UdpTransportIntegrationTest.java
index 5258374..8a27d0a 100644
--- a/gossip-transport-udp/src/test/java/org/apache/gossip/transport/udp/UdpTransportIntegrationTest.java
+++ b/gossip-transport-udp/src/test/java/org/apache/gossip/transport/udp/UdpTransportIntegrationTest.java
@@ -17,14 +17,9 @@
  */
 package org.apache.gossip.transport.udp;
 
-import org.apache.gossip.GossipSettings;
-import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
 
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-
 public class UdpTransportIntegrationTest {
   
   // It's currently impossible to create a UdpTransportManager without bringing up an entire stack.

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 97aa409..1c48306 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,6 +58,7 @@
 		<module>gossip-base</module>
 		<module>gossip-transport-udp</module>
 		<module>gossip-protocol-jackson</module>
+		<module>gossip-itest</module>
 	</modules>
 	
 	<description>A peer to peer cluster discovery service</description>


[2/2] incubator-gossip git commit: GOSSIP-85 Factor out PassiveGossipThread

Posted by ec...@apache.org.
GOSSIP-85 Factor out PassiveGossipThread


Project: http://git-wip-us.apache.org/repos/asf/incubator-gossip/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-gossip/commit/c62ebaf9
Tree: http://git-wip-us.apache.org/repos/asf/incubator-gossip/tree/c62ebaf9
Diff: http://git-wip-us.apache.org/repos/asf/incubator-gossip/diff/c62ebaf9

Branch: refs/heads/master
Commit: c62ebaf9b6054b669ee77d61497d51d1b382309d
Parents: e3010c8
Author: Edward Capriolo <ed...@gmail.com>
Authored: Sat Apr 29 19:45:16 2017 -0400
Committer: Edward Capriolo <ed...@gmail.com>
Committed: Wed May 3 16:57:50 2017 -0400

----------------------------------------------------------------------
 gossip-base/pom.xml                             |   2 +-
 .../java/org/apache/gossip/GossipSettings.java  |   3 +-
 .../apache/gossip/manager/GossipManager.java    |   4 +-
 .../gossip/manager/PassiveGossipThread.java     |  76 ------
 .../gossip/manager/RingStatePersister.java      |   3 -
 .../transport/AbstractTransportManager.java     |  16 +-
 .../test/java/org/apache/gossip/DataTest.java   | 240 -------------------
 .../org/apache/gossip/IdAndPropertyTest.java    |  93 -------
 .../org/apache/gossip/ShutdownDeadtimeTest.java | 150 ------------
 .../org/apache/gossip/SignedMessageTest.java    | 119 ---------
 .../org/apache/gossip/StartupSettingsTest.java  |  91 -------
 .../org/apache/gossip/TenNodeThreeSeedTest.java |  94 --------
 .../manager/handlers/MessageHandlerTest.java    |   2 +-
 .../transport/UnitTestTransportManager.java     |   3 +-
 gossip-itest/pom.xml                            |  88 +++++++
 .../test/java/org/apache/gossip/DataTest.java   | 238 ++++++++++++++++++
 .../org/apache/gossip/IdAndPropertyTest.java    |  91 +++++++
 .../org/apache/gossip/ShutdownDeadtimeTest.java | 148 ++++++++++++
 .../org/apache/gossip/SignedMessageTest.java    | 117 +++++++++
 .../org/apache/gossip/StartupSettingsTest.java  |  91 +++++++
 .../org/apache/gossip/TenNodeThreeSeedTest.java |  92 +++++++
 gossip-protocol-jackson/pom.xml                 |   6 +-
 .../gossip/protocol/json/JacksonTest.java       |   6 -
 .../gossip/protocol/json/TestMessage.java       |   1 +
 gossip-transport-udp/pom.xml                    |   4 +-
 .../transport/udp/UdpTransportManager.java      |  54 ++++-
 .../udp/UdpTransportIntegrationTest.java        |   5 -
 pom.xml                                         |   1 +
 28 files changed, 931 insertions(+), 907 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/pom.xml
----------------------------------------------------------------------
diff --git a/gossip-base/pom.xml b/gossip-base/pom.xml
index b9739f6..34f346c 100644
--- a/gossip-base/pom.xml
+++ b/gossip-base/pom.xml
@@ -75,4 +75,4 @@
 		</dependency>
 	</dependencies>
 	
-</project>
\ No newline at end of file
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/main/java/org/apache/gossip/GossipSettings.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/main/java/org/apache/gossip/GossipSettings.java b/gossip-base/src/main/java/org/apache/gossip/GossipSettings.java
index 2ceb453..792af85 100644
--- a/gossip-base/src/main/java/org/apache/gossip/GossipSettings.java
+++ b/gossip-base/src/main/java/org/apache/gossip/GossipSettings.java
@@ -44,7 +44,7 @@ public class GossipSettings {
   private String distribution = "normal";
   
   private String activeGossipClass = "org.apache.gossip.manager.SimpleActiveGossipper";
-  
+
   private String transportManagerClass = "org.apache.gossip.transport.udp.UdpTransportManager";
   private String protocolManagerClass = "org.apache.gossip.protocol.json.JacksonProtocolManager";
   
@@ -241,4 +241,5 @@ public class GossipSettings {
   public void setProtocolManagerClass(String protocolManagerClass) {
     this.protocolManagerClass = protocolManagerClass;
   }
+
 }

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/main/java/org/apache/gossip/manager/GossipManager.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/main/java/org/apache/gossip/manager/GossipManager.java b/gossip-base/src/main/java/org/apache/gossip/manager/GossipManager.java
index b1752cd..133a79f 100644
--- a/gossip-base/src/main/java/org/apache/gossip/manager/GossipManager.java
+++ b/gossip-base/src/main/java/org/apache/gossip/manager/GossipManager.java
@@ -50,7 +50,9 @@ public abstract class GossipManager {
   public static final Logger LOGGER = Logger.getLogger(GossipManager.class);
   
   // this mapper is used for ring and user-data persistence only. NOT messages.
-  public static final ObjectMapper metdataObjectMapper = new ObjectMapper() {{
+  public static final ObjectMapper metdataObjectMapper = new ObjectMapper() {
+    private static final long serialVersionUID = 1L;
+  {
     enableDefaultTyping();
     configure(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS, false);
   }};

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/main/java/org/apache/gossip/manager/PassiveGossipThread.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/main/java/org/apache/gossip/manager/PassiveGossipThread.java b/gossip-base/src/main/java/org/apache/gossip/manager/PassiveGossipThread.java
deleted file mode 100644
index 03a874c..0000000
--- a/gossip-base/src/main/java/org/apache/gossip/manager/PassiveGossipThread.java
+++ /dev/null
@@ -1,76 +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.gossip.manager;
-
-import java.io.IOException;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.apache.gossip.model.Base;
-import org.apache.log4j.Logger;
-
-
-/**
- * This class handles the passive cycle,
- * where this client has received an incoming message. 
- */
-public class PassiveGossipThread implements Runnable {
-
-  public static final Logger LOGGER = Logger.getLogger(PassiveGossipThread.class);
-
-  
-  private final AtomicBoolean keepRunning;
-  private final GossipCore gossipCore;
-  private final GossipManager gossipManager;
-
-  public PassiveGossipThread(GossipManager gossipManager, GossipCore gossipCore) {
-    this.gossipManager = gossipManager;
-    this.gossipCore = gossipCore;
-    if (gossipManager.getMyself().getClusterName() == null){
-      throw new IllegalArgumentException("Cluster was null");
-    }
-    
-    keepRunning = new AtomicBoolean(true);
-  }
-
-  @Override
-  public void run() {
-    while (keepRunning.get()) {
-      try {
-        byte[] buf = gossipManager.getTransportManager().read();
-        try {
-          Base message = gossipManager.getProtocolManager().read(buf);
-          gossipCore.receive(message);
-          gossipManager.getMemberStateRefresher().run();
-        } catch (RuntimeException ex) {//TODO trap json exception
-          LOGGER.error("Unable to process message", ex);
-        }
-      } catch (IOException e) {
-        // InterruptedException are completely normal here because of the blocking lifecycle.
-        if (!(e.getCause() instanceof InterruptedException)) {
-          LOGGER.error(e);
-        }
-        keepRunning.set(false);
-      }
-    }
-  }
-  
-  public void requestStop() {
-    keepRunning.set(false);
-  }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/main/java/org/apache/gossip/manager/RingStatePersister.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/main/java/org/apache/gossip/manager/RingStatePersister.java b/gossip-base/src/main/java/org/apache/gossip/manager/RingStatePersister.java
index 0af9f12..5334ad4 100644
--- a/gossip-base/src/main/java/org/apache/gossip/manager/RingStatePersister.java
+++ b/gossip-base/src/main/java/org/apache/gossip/manager/RingStatePersister.java
@@ -22,14 +22,11 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.NavigableSet;
 
-import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.apache.gossip.LocalMember;
-import org.apache.gossip.crdt.CrdtModule;
 import org.apache.log4j.Logger;
 
 public class RingStatePersister implements Runnable {

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/main/java/org/apache/gossip/transport/AbstractTransportManager.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/main/java/org/apache/gossip/transport/AbstractTransportManager.java b/gossip-base/src/main/java/org/apache/gossip/transport/AbstractTransportManager.java
index 33db038..82b0dfb 100644
--- a/gossip-base/src/main/java/org/apache/gossip/transport/AbstractTransportManager.java
+++ b/gossip-base/src/main/java/org/apache/gossip/transport/AbstractTransportManager.java
@@ -21,7 +21,6 @@ import com.codahale.metrics.MetricRegistry;
 import org.apache.gossip.manager.AbstractActiveGossiper;
 import org.apache.gossip.manager.GossipCore;
 import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.PassiveGossipThread;
 import org.apache.gossip.utils.ReflectionUtils;
 import org.apache.log4j.Logger;
 
@@ -36,14 +35,14 @@ public abstract class AbstractTransportManager implements TransportManager {
   
   public static final Logger LOGGER = Logger.getLogger(AbstractTransportManager.class);
   
-  private final PassiveGossipThread passiveGossipThread;
   private final ExecutorService gossipThreadExecutor;
-  
   private final AbstractActiveGossiper activeGossipThread;
+  protected final GossipManager gossipManager;
+  protected final GossipCore gossipCore;
   
   public AbstractTransportManager(GossipManager gossipManager, GossipCore gossipCore) {
-    
-    passiveGossipThread = new PassiveGossipThread(gossipManager, gossipCore);
+    this.gossipManager = gossipManager;
+    this.gossipCore = gossipCore;
     gossipThreadExecutor = Executors.newCachedThreadPool();
     activeGossipThread = ReflectionUtils.constructWithReflection(
       gossipManager.getSettings().getActiveGossipClass(),
@@ -58,7 +57,6 @@ public abstract class AbstractTransportManager implements TransportManager {
   // shut down threads etc.
   @Override
   public void shutdown() {
-    passiveGossipThread.requestStop();
     gossipThreadExecutor.shutdown();
     if (activeGossipThread != null) {
       activeGossipThread.shutdown();
@@ -77,11 +75,9 @@ public abstract class AbstractTransportManager implements TransportManager {
 
   @Override
   public void startActiveGossiper() {
-    activeGossipThread.init(); 
+    activeGossipThread.init();
   }
 
   @Override
-  public void startEndpoint() {
-    gossipThreadExecutor.execute(passiveGossipThread);
-  }
+  public abstract void startEndpoint();
 }

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/DataTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/DataTest.java b/gossip-base/src/test/java/org/apache/gossip/DataTest.java
deleted file mode 100644
index bb33dc2..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/DataTest.java
+++ /dev/null
@@ -1,240 +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.gossip;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.UUID;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.gossip.crdt.GrowOnlyCounter;
-import org.apache.gossip.crdt.GrowOnlySet;
-import org.apache.gossip.crdt.OrSet;
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.apache.gossip.model.PerNodeDataMessage;
-import org.apache.gossip.model.SharedDataMessage;
-import org.junit.Test;
-
-import io.teknek.tunit.TUnit;
-
-public class DataTest extends AbstractIntegrationBase {
-  
-  private String orSetKey = "cror";
-  private String gCounterKey = "crdtgc";
-  
-  @Test
-  public void dataTest() throws InterruptedException, UnknownHostException, URISyntaxException{
-    GossipSettings settings = new GossipSettings();
-    settings.setPersistRingState(false);
-    settings.setPersistDataState(false);
-    settings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    settings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    String cluster = UUID.randomUUID().toString();
-    int seedNodes = 1;
-    List<Member> startupMembers = new ArrayList<>();
-    for (int i = 1; i < seedNodes+1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (50000 + i));
-      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
-    }
-    final List<GossipManager> clients = new ArrayList<>();
-    final int clusterMembers = 2;
-    for (int i = 1; i < clusterMembers + 1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (50000 + i));
-      GossipManager gossipService = GossipManagerBuilder.newBuilder().cluster(cluster).uri(uri)
-              .id(i + "").gossipMembers(startupMembers).gossipSettings(settings).build();
-      clients.add(gossipService);
-      gossipService.init();
-      register(gossipService);
-    }
-    TUnit.assertThat(() -> {
-      int total = 0;
-      for (int i = 0; i < clusterMembers; ++i) {
-        total += clients.get(i).getLiveMembers().size();
-      }
-      return total;
-    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo(2);
-    clients.get(0).gossipPerNodeData(msg());
-    clients.get(0).gossipSharedData(sharedMsg());
-
-    TUnit.assertThat(()-> {
-      PerNodeDataMessage x = clients.get(1).findPerNodeGossipData(1 + "", "a");
-      if (x == null)
-        return "";
-      else
-        return x.getPayload();
-    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo("b");
-   
-    TUnit.assertThat(() ->  {
-      SharedDataMessage x = clients.get(1).findSharedGossipData("a");
-      if (x == null)
-        return "";
-      else
-        return x.getPayload();
-    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo("c");
-    
-    
-    givenDifferentDatumsInSet(clients);
-    assertThatListIsMerged(clients);
-    
-    givenOrs(clients);
-    assertThatOrSetIsMerged(clients);
-    dropIt(clients);
-    assertThatOrSetDelIsMerged(clients);
-
-    
-    // test g counter
-    givenDifferentIncrement(clients);
-    assertThatCountIsUpdated(clients, 3);
-    givenIncreaseOther(clients);
-    assertThatCountIsUpdated(clients, 7);
-
-    for (int i = 0; i < clusterMembers; ++i) {
-      clients.get(i).shutdown();
-    }
-  }
-  
-  private void givenDifferentIncrement(final List<GossipManager> clients) {
-    {
-      SharedDataMessage d = new SharedDataMessage();
-      d.setKey(gCounterKey);
-      d.setPayload(new GrowOnlyCounter(new GrowOnlyCounter.Builder(clients.get(0)).increment(1L)));
-      d.setExpireAt(Long.MAX_VALUE);
-      d.setTimestamp(System.currentTimeMillis());
-      clients.get(0).merge(d);
-    }
-    {
-      SharedDataMessage d = new SharedDataMessage();
-      d.setKey(gCounterKey);
-      d.setPayload(new GrowOnlyCounter(new GrowOnlyCounter.Builder(clients.get(1)).increment(2L)));
-      d.setExpireAt(Long.MAX_VALUE);
-      d.setTimestamp(System.currentTimeMillis());
-      clients.get(1).merge(d);
-    }
-  }
-
-  private void givenIncreaseOther(final List<GossipManager> clients) {
-    GrowOnlyCounter gc = (GrowOnlyCounter) clients.get(1).findCrdt(gCounterKey);
-    GrowOnlyCounter gc2 = new GrowOnlyCounter(gc,
-            new GrowOnlyCounter.Builder(clients.get(1)).increment(4L));
-
-    SharedDataMessage d = new SharedDataMessage();
-    d.setKey(gCounterKey);
-    d.setPayload(gc2);
-    d.setExpireAt(Long.MAX_VALUE);
-    d.setTimestamp(System.currentTimeMillis());
-    clients.get(1).merge(d);
-  }
-
-  private void givenOrs(List<GossipManager> clients) {
-    {
-      SharedDataMessage d = new SharedDataMessage();
-      d.setKey(orSetKey);
-      d.setPayload(new OrSet<String>("1", "2"));
-      d.setExpireAt(Long.MAX_VALUE);
-      d.setTimestamp(System.currentTimeMillis());
-      clients.get(0).merge(d);
-    }
-    {
-      SharedDataMessage d = new SharedDataMessage();
-      d.setKey(orSetKey);
-      d.setPayload(new OrSet<String>("3", "4"));
-      d.setExpireAt(Long.MAX_VALUE);
-      d.setTimestamp(System.currentTimeMillis());
-      clients.get(1).merge(d);
-    }
-  }
-  
-  private void dropIt(List<GossipManager> clients) {
-    @SuppressWarnings("unchecked")
-    OrSet<String> o = (OrSet<String>) clients.get(0).findCrdt(orSetKey);
-    OrSet<String> o2 = new OrSet<String>(o, new OrSet.Builder<String>().remove("3"));
-    SharedDataMessage d = new SharedDataMessage();
-    d.setKey(orSetKey);
-    d.setPayload(o2);
-    d.setExpireAt(Long.MAX_VALUE);
-    d.setTimestamp(System.currentTimeMillis());
-    clients.get(0).merge(d);
-  }
-  
-  private void assertThatOrSetIsMerged(final List<GossipManager> clients){
-    TUnit.assertThat(() ->  {
-      return clients.get(0).findCrdt(orSetKey).value();
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new OrSet<String>("1", "2", "3", "4").value());
-    TUnit.assertThat(() ->  {
-      return clients.get(1).findCrdt(orSetKey).value();
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new OrSet<String>("1", "2", "3", "4").value());
-  }
-  
-  private void assertThatOrSetDelIsMerged(final List<GossipManager> clients){
-    TUnit.assertThat(() ->  {
-      return clients.get(0).findCrdt(orSetKey);
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).equals(new OrSet<String>("1", "2", "4"));
-  }
-
-  private void givenDifferentDatumsInSet(final List<GossipManager> clients){
-    clients.get(0).merge(CrdtMessage("1"));
-    clients.get(1).merge(CrdtMessage("2"));
-  }
-  
-
-  private void assertThatCountIsUpdated(final List<GossipManager> clients, long finalCount) {
-    TUnit.assertThat(() -> {
-      return clients.get(0).findCrdt(gCounterKey);
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new GrowOnlyCounter(
-            new GrowOnlyCounter.Builder(clients.get(0)).increment(finalCount)));
-  }
-
-  private void assertThatListIsMerged(final List<GossipManager> clients){
-    TUnit.assertThat(() ->  {
-      return clients.get(0).findCrdt("cr");
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new GrowOnlySet<String>(Arrays.asList("1","2")));
-  }
-  
-  private SharedDataMessage CrdtMessage(String item){
-    SharedDataMessage d = new SharedDataMessage();
-    d.setKey("cr");
-    d.setPayload(new GrowOnlySet<String>( Arrays.asList(item)));
-    d.setExpireAt(Long.MAX_VALUE);
-    d.setTimestamp(System.currentTimeMillis());
-    return d;
-  }
-  
-  private PerNodeDataMessage msg(){
-    PerNodeDataMessage g = new PerNodeDataMessage();
-    g.setExpireAt(Long.MAX_VALUE);
-    g.setKey("a");
-    g.setPayload("b");
-    g.setTimestamp(System.currentTimeMillis());
-    return g;
-  }
-  
-  private SharedDataMessage sharedMsg(){
-    SharedDataMessage g = new SharedDataMessage();
-    g.setExpireAt(Long.MAX_VALUE);
-    g.setKey("a");
-    g.setPayload("c");
-    g.setTimestamp(System.currentTimeMillis());
-    return g;
-  }
-  
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/IdAndPropertyTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/IdAndPropertyTest.java b/gossip-base/src/test/java/org/apache/gossip/IdAndPropertyTest.java
deleted file mode 100644
index 1b6a32a..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/IdAndPropertyTest.java
+++ /dev/null
@@ -1,93 +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.gossip;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit; 
-
-import org.apache.gossip.manager.DatacenterRackAwareActiveGossiper;
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.junit.jupiter.api.Test;
-import org.junit.platform.runner.JUnitPlatform;
-import org.junit.runner.RunWith;
-
-import io.teknek.tunit.TUnit;
-
-@RunWith(JUnitPlatform.class)
-public class IdAndPropertyTest extends AbstractIntegrationBase {
-
-  @Test
-  public void testDatacenterRackGossiper() throws URISyntaxException, UnknownHostException, InterruptedException {
-    GossipSettings settings = new GossipSettings();
-    settings.setActiveGossipClass(DatacenterRackAwareActiveGossiper.class.getName());
-    settings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    settings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    List<Member> startupMembers = new ArrayList<>();
-    Map<String, String> x = new HashMap<>();
-    x.put("a", "b");
-    x.put("datacenter", "dc1");
-    x.put("rack", "rack1");
-    GossipManager gossipService1 = GossipManagerBuilder.newBuilder()
-            .cluster("a")
-            .uri(new URI("udp://" + "127.0.0.1" + ":" + (29000 + 0)))
-            .id("0")
-            .properties(x)
-            .gossipMembers(startupMembers)
-            .gossipSettings(settings).build();
-    gossipService1.init();
-    register(gossipService1);
-    
-    Map<String, String> y = new HashMap<>();
-    y.put("a", "c");
-    y.put("datacenter", "dc2");
-    y.put("rack", "rack2");
-    GossipManager gossipService2 = GossipManagerBuilder.newBuilder().cluster("a")
-            .uri( new URI("udp://" + "127.0.0.1" + ":" + (29000 + 10)))
-            .id("1")
-            .properties(y)
-            .gossipMembers(Arrays.asList(new RemoteMember("a",
-                    new URI("udp://" + "127.0.0.1" + ":" + (29000 + 0)), "0")))
-            .gossipSettings(settings).build();
-    gossipService2.init();
-    register(gossipService2);
-    
-    TUnit.assertThat(() -> { 
-      String value = ""; 
-      try {
-        value = gossipService1.getLiveMembers().get(0).getProperties().get("a");
-      } catch (RuntimeException e){ }
-      return value;
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo("c");
-    
-    TUnit.assertThat(() -> { 
-      String value = ""; 
-      try {
-        value = gossipService2.getLiveMembers().get(0).getProperties().get("a");
-      } catch (RuntimeException e){ }
-      return value;
-    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo("b");        
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java b/gossip-base/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
deleted file mode 100644
index 30c52bc..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
+++ /dev/null
@@ -1,150 +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.gossip;
-
-import io.teknek.tunit.TUnit;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Random;
-import java.util.UUID;
-import java.util.concurrent.Callable;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.apache.log4j.Logger;
-
-import org.junit.platform.runner.JUnitPlatform;
-import org.junit.jupiter.api.Test;
-
-import org.junit.runner.RunWith;
-
-@RunWith(JUnitPlatform.class)
-public class ShutdownDeadtimeTest {
-
-  private static final Logger log = Logger.getLogger(ShutdownDeadtimeTest.class);
-  
-  // Note: this test is floppy depending on the values in GossipSettings (smaller values seem to do harm), and the
-  //       sleep that happens after startup.
-  @Test
-  public void DeadNodesDoNotComeAliveAgain()
-          throws InterruptedException, UnknownHostException, URISyntaxException {
-    GossipSettings settings = new GossipSettings(100, 10000, 1000, 1, 10.0, "normal");
-    settings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    settings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    settings.setPersistRingState(false);
-    settings.setPersistDataState(false);
-    String cluster = UUID.randomUUID().toString();
-    int seedNodes = 3;
-    List<Member> startupMembers = new ArrayList<>();
-    for (int i = 1; i < seedNodes + 1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30300 + i));
-      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
-    }
-    final List<GossipManager> clients = Collections.synchronizedList(new ArrayList<GossipManager>());
-    final int clusterMembers = 5;
-    for (int i = 1; i < clusterMembers + 1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30300 + i));
-      GossipManager gossipService = GossipManagerBuilder.newBuilder()
-              .cluster(cluster)
-              .uri(uri)
-              .id(i + "")
-              .gossipMembers(startupMembers)
-              .gossipSettings(settings)
-              .build();
-      clients.add(gossipService);
-      gossipService.init();
-      Thread.sleep(1000); 
-    }
-    TUnit.assertThat(new Callable<Integer>() {
-      public Integer call() throws Exception {
-        int total = 0;
-        for (int i = 0; i < clusterMembers; ++i) {
-          total += clients.get(i).getLiveMembers().size();
-        }
-        return total;
-      }
-    }).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(20);
-
-    // shutdown one client and verify that one client is lost.
-    Random r = new Random();
-    int randomClientId = r.nextInt(clusterMembers);
-    log.info("shutting down " + randomClientId);
-    final int shutdownPort = clients.get(randomClientId).getMyself().getUri()
-            .getPort();
-    final String shutdownId = clients.get(randomClientId).getMyself().getId();
-    clients.get(randomClientId).shutdown();
-    TUnit.assertThat(new Callable<Integer>() {
-      public Integer call() throws Exception {
-        int total = 0;
-        for (int i = 0; i < clusterMembers; ++i) {
-          total += clients.get(i).getLiveMembers().size();
-        }
-        return total;
-      }
-    }).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(16);
-    clients.remove(randomClientId);
-
-    TUnit.assertThat(new Callable<Integer>() {
-      public Integer call() throws Exception {
-        int total = 0;
-        for (int i = 0; i < clusterMembers - 1; ++i) {
-          total += clients.get(i).getDeadMembers().size();
-        }
-        return total;
-      }
-    }).afterWaitingAtMost(50, TimeUnit.SECONDS).isEqualTo(4);
-
-    URI uri = new URI("udp://" + "127.0.0.1" + ":" + shutdownPort);
-    // start client again
-    GossipManager gossipService = GossipManagerBuilder.newBuilder()
-            .gossipSettings(settings)
-            .cluster(cluster)
-            .uri(uri)
-            .id(shutdownId+"")
-            .gossipMembers(startupMembers)
-            .build();
-    clients.add(gossipService);
-    gossipService.init();
-
-    // verify that the client is alive again for every node
-    TUnit.assertThat(new Callable<Integer>() {
-      public Integer call() throws Exception {
-        int total = 0;
-        for (int i = 0; i < clusterMembers; ++i) {
-          total += clients.get(i).getLiveMembers().size();
-        }
-        return total;
-      }
-    }).afterWaitingAtMost(60, TimeUnit.SECONDS).isEqualTo(20);
-
-    for (int i = 0; i < clusterMembers; ++i) {
-      final int j = i;
-      new Thread() {
-        public void run(){
-          clients.get(j).shutdown();
-        }
-      }.start();
-    }
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/SignedMessageTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/SignedMessageTest.java b/gossip-base/src/test/java/org/apache/gossip/SignedMessageTest.java
deleted file mode 100644
index f669a23..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/SignedMessageTest.java
+++ /dev/null
@@ -1,119 +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.gossip;
-
-import java.io.File;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-import java.util.UUID;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.apache.gossip.manager.PassiveGossipConstants;
-import org.apache.gossip.secure.KeyTool;
-import org.junit.Assert;
-import org.junit.Test;
-
-import io.teknek.tunit.TUnit;
-
-public class SignedMessageTest extends AbstractIntegrationBase {
-
-  private GossipSettings gossiperThatSigns(){
-    GossipSettings settings = new GossipSettings();
-    settings.setPersistRingState(false);
-    settings.setPersistDataState(false);
-    settings.setSignMessages(true);
-    settings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    settings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    return settings;
-  }
-  
-  private GossipSettings gossiperThatSigns(String keysDir){
-    GossipSettings settings = gossiperThatSigns();
-    settings.setPathToKeyStore(Objects.requireNonNull(keysDir));
-    return settings;
-  }
-  
-  @Test
-  public void dataTest() throws InterruptedException, URISyntaxException, NoSuchAlgorithmException, NoSuchProviderException, IOException {
-    final String keys = System.getProperty("java.io.tmpdir") + "/keys";
-    GossipSettings settings = gossiperThatSigns(keys);
-    setup(keys);
-    String cluster = UUID.randomUUID().toString();
-    List<Member> startupMembers = new ArrayList<>();
-    for (int i = 1; i < 2; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
-      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
-    }
-    final List<GossipManager> clients = new ArrayList<>();
-    for (int i = 1; i < 3; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
-      GossipManager gossipService = GossipManagerBuilder.newBuilder()
-              .cluster(cluster)
-              .uri(uri)
-              .id(i + "")
-              .gossipMembers(startupMembers)
-              .gossipSettings(settings)
-              .build();
-      gossipService.init();
-      clients.add(gossipService);
-    }
-    assertTwoAlive(clients);
-    assertOnlySignedMessages(clients);
-    cleanup(keys, clients);
-  }
-  
-  private void assertTwoAlive(List<GossipManager> clients){
-    TUnit.assertThat(() -> {
-      int total = 0;
-      for (int i = 0; i < clients.size(); ++i) {
-        total += clients.get(i).getLiveMembers().size();
-      }
-      return total;
-    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo(2);
-  }
-  
-  private void assertOnlySignedMessages(List<GossipManager> clients){
-    Assert.assertEquals(0, clients.get(0).getRegistry()
-            .meter(PassiveGossipConstants.UNSIGNED_MESSAGE).getCount());
-    Assert.assertTrue(clients.get(0).getRegistry()
-            .meter(PassiveGossipConstants.SIGNED_MESSAGE).getCount() > 0);
-  }
-  
-  private void cleanup(String keys, List<GossipManager> clients){
-    new File(keys, "1").delete();
-    new File(keys, "2").delete();
-    new File(keys).delete();
-    for (int i = 0; i < clients.size(); ++i) {
-      clients.get(i).shutdown();
-    }
-  }
-  
-  private void setup(String keys) throws NoSuchAlgorithmException, NoSuchProviderException, IOException {
-    new File(keys).mkdir();
-    KeyTool.generatePubandPrivateKeyFiles(keys, "1");
-    KeyTool.generatePubandPrivateKeyFiles(keys, "2");
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/StartupSettingsTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/StartupSettingsTest.java b/gossip-base/src/test/java/org/apache/gossip/StartupSettingsTest.java
deleted file mode 100644
index ea93a90..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/StartupSettingsTest.java
+++ /dev/null
@@ -1,91 +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.gossip;
-
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.apache.log4j.Logger;
-
-import org.junit.jupiter.api.Test;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.UUID;
-import org.junit.platform.runner.JUnitPlatform;
-import org.junit.runner.RunWith;
-
-/**
- * Tests support of using {@code StartupSettings} and thereby reading
- * setup config from file.
- */
-@RunWith(JUnitPlatform.class)
-public class StartupSettingsTest {
-  private static final Logger log = Logger.getLogger(StartupSettingsTest.class);
-  private static final String CLUSTER = UUID.randomUUID().toString();
-
-  @Test
-  public void testUsingSettingsFile() throws IOException, InterruptedException, URISyntaxException {
-    File settingsFile = File.createTempFile("gossipTest",".json");
-    settingsFile.deleteOnExit();
-    writeSettingsFile(settingsFile);
-    URI uri = new URI("udp://" + "127.0.0.1" + ":" + 50000);
-    GossipSettings firstGossipSettings = new GossipSettings();
-    firstGossipSettings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    firstGossipSettings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    GossipManager firstService = GossipManagerBuilder.newBuilder()
-            .cluster(CLUSTER)
-            .uri(uri)
-            .id("1")
-            .gossipSettings(firstGossipSettings).build();
-    firstService.init();
-    GossipManager manager = GossipManagerBuilder.newBuilder()
-            .startupSettings(StartupSettings.fromJSONFile(settingsFile)).build();
-    manager.init();
-    firstService.shutdown();
-    manager.shutdown();
-  }
-
-  private void writeSettingsFile( File target ) throws IOException {
-    String settings =
-            "[{\n" + // It is odd that this is meant to be in an array, but oh well.
-            "  \"cluster\":\"" + CLUSTER + "\",\n" +
-            "  \"id\":\"" + "2" + "\",\n" +
-            "  \"uri\":\"udp://127.0.0.1:50001\",\n" +
-            "  \"gossip_interval\":1000,\n" +
-            "  \"window_size\":1000,\n" +
-            "  \"minimum_samples\":5,\n" +
-            "  \"cleanup_interval\":10000,\n" +
-            "  \"convict_threshold\":2.6,\n" +
-            "  \"distribution\":\"exponential\",\n" +
-            "  \"transport_manager_class\":\"org.apache.gossip.transport.UnitTestTransportManager\",\n" +
-            "  \"protocol_manager_class\":\"org.apache.gossip.protocol.UnitTestProtocolManager\",\n" +
-            "  \"properties\":{},\n" +
-            "  \"members\":[\n" +
-            "    {\"cluster\": \"" + CLUSTER + "\",\"uri\":\"udp://127.0.0.1:5000\"}\n" +
-            "  ]\n" +
-            "}]";
-
-    log.info( "Using settings file with contents of:\n---\n" + settings + "\n---" );
-    FileOutputStream output = new FileOutputStream(target);
-    output.write(settings.getBytes());
-    output.close();
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java b/gossip-base/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
deleted file mode 100644
index c6d7d46..0000000
--- a/gossip-base/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
+++ /dev/null
@@ -1,94 +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.gossip; 
-
-import io.teknek.tunit.TUnit;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
-import java.util.concurrent.Callable;
-import java.util.concurrent.TimeUnit;
-import org.junit.platform.runner.JUnitPlatform;
-import org.junit.runner.RunWith;
-import org.apache.gossip.manager.GossipManager;
-import org.apache.gossip.manager.GossipManagerBuilder;
-import org.junit.jupiter.api.Test;
-
-@RunWith(JUnitPlatform.class)
-public class TenNodeThreeSeedTest {
-
-  @Test
-  public void test() throws UnknownHostException, InterruptedException, URISyntaxException {
-    abc(30150);
-  }
-
-  @Test
-  public void testAgain() throws UnknownHostException, InterruptedException, URISyntaxException {
-    abc(30100);
-  }
-
-  public void abc(int base) throws InterruptedException, UnknownHostException, URISyntaxException {
-    GossipSettings settings = new GossipSettings(1000, 10000, 1000, 1, 1.6, "exponential");
-    settings.setPersistRingState(false);
-    settings.setPersistDataState(false);
-    settings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
-    settings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
-    String cluster = UUID.randomUUID().toString();
-    int seedNodes = 3;
-    List<Member> startupMembers = new ArrayList<>();
-    for (int i = 1; i < seedNodes+1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i));
-      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
-    }
-    final List<GossipManager> clients = new ArrayList<>();
-    final int clusterMembers = 5;
-    for (int i = 1; i < clusterMembers+1; ++i) {
-      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i));
-      GossipManager gossipService = GossipManagerBuilder.newBuilder()
-              .cluster(cluster)
-              .uri(uri)
-              .id(i + "")
-              .gossipSettings(settings)
-              .gossipMembers(startupMembers)
-              .build();
-      gossipService.init();
-      clients.add(gossipService);
-    }    
-    TUnit.assertThat(new Callable<Integer> (){
-      public Integer call() throws Exception {
-        int total = 0;
-        for (int i = 0; i < clusterMembers; ++i) {
-          total += clients.get(i).getLiveMembers().size();
-        }
-        return total;
-      }}).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(20);
-          
-    for (int i = 0; i < clusterMembers; ++i) {
-      int j = i;
-      new Thread(){
-        public void run(){
-          clients.get(j).shutdown();
-        }
-      }.start();
-    }
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/manager/handlers/MessageHandlerTest.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/manager/handlers/MessageHandlerTest.java b/gossip-base/src/test/java/org/apache/gossip/manager/handlers/MessageHandlerTest.java
index ec91d67..42b9353 100644
--- a/gossip-base/src/test/java/org/apache/gossip/manager/handlers/MessageHandlerTest.java
+++ b/gossip-base/src/test/java/org/apache/gossip/manager/handlers/MessageHandlerTest.java
@@ -102,7 +102,7 @@ public class MessageHandlerTest {
   
   @Test(expected = NullPointerException.class)
   public void cantAddNullHandler2() {
-    MessageHandler handler = MessageHandlerFactory.concurrentHandler(
+    MessageHandlerFactory.concurrentHandler(
         new TypedMessageHandler(FakeMessage.class, new FakeMessageHandler()),
         null,
         new TypedMessageHandler(FakeMessage.class, new FakeMessageHandler())

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-base/src/test/java/org/apache/gossip/transport/UnitTestTransportManager.java
----------------------------------------------------------------------
diff --git a/gossip-base/src/test/java/org/apache/gossip/transport/UnitTestTransportManager.java b/gossip-base/src/test/java/org/apache/gossip/transport/UnitTestTransportManager.java
index a783b75..206bc62 100644
--- a/gossip-base/src/test/java/org/apache/gossip/transport/UnitTestTransportManager.java
+++ b/gossip-base/src/test/java/org/apache/gossip/transport/UnitTestTransportManager.java
@@ -29,7 +29,7 @@ import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ConcurrentHashMap;
 
 /** Only use in unit tests! */
-public class UnitTestTransportManager extends AbstractTransportManager {
+public class UnitTestTransportManager extends AbstractTransportManager { 
   
   private static final Map<URI, UnitTestTransportManager> allManagers = new ConcurrentHashMap<>();
   
@@ -71,6 +71,5 @@ public class UnitTestTransportManager extends AbstractTransportManager {
   @Override
   public void startEndpoint() {
     allManagers.put(localEndpoint, this);
-    super.startEndpoint();
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/pom.xml
----------------------------------------------------------------------
diff --git a/gossip-itest/pom.xml b/gossip-itest/pom.xml
new file mode 100644
index 0000000..6067732
--- /dev/null
+++ b/gossip-itest/pom.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 	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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.gossip</groupId>
+    <artifactId>gossip-parent</artifactId>
+    <version>0.1.3-incubating-SNAPSHOT</version>
+    <relativePath>../pom.xml</relativePath>
+  </parent>
+  
+  <name>Gossip itest</name>
+  <artifactId>gossip-itest</artifactId>
+  <version>0.1.3-incubating-SNAPSHOT</version>
+  
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.gossip</groupId>
+      <artifactId>gossip-base</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.gossip</groupId>
+      <artifactId>gossip-base</artifactId>
+      <version>${project.version}</version>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.gossip</groupId>
+      <artifactId>gossip-protocol-jackson</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.gossip</groupId>
+      <artifactId>gossip-transport-udp</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.1</version>
+        <configuration>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.19.1</version>
+        <configuration>
+          <systemPropertyVariables>
+            <java.io.tmpdir>${project.build.directory}</java.io.tmpdir>
+          </systemPropertyVariables>
+        </configuration>
+        <dependencies>
+          <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-surefire-provider</artifactId>
+            <version>${junit.platform.version}</version>
+          </dependency>
+        </dependencies>
+      </plugin>
+    </plugins>
+  </build>
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/DataTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/DataTest.java b/gossip-itest/src/test/java/org/apache/gossip/DataTest.java
new file mode 100644
index 0000000..9fe9aa9
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/DataTest.java
@@ -0,0 +1,238 @@
+/*
+ * 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.gossip;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.gossip.crdt.GrowOnlyCounter;
+import org.apache.gossip.crdt.GrowOnlySet;
+import org.apache.gossip.crdt.OrSet;
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.apache.gossip.model.PerNodeDataMessage;
+import org.apache.gossip.model.SharedDataMessage;
+import org.junit.Test;
+
+import io.teknek.tunit.TUnit;
+ 
+public class DataTest extends AbstractIntegrationBase {
+  
+  private String orSetKey = "cror";
+  private String gCounterKey = "crdtgc";
+  
+  @Test
+  public void dataTest() throws InterruptedException, UnknownHostException, URISyntaxException{
+    GossipSettings settings = new GossipSettings();
+    settings.setPersistRingState(false); 
+    settings.setPersistDataState(false);
+    String cluster = UUID.randomUUID().toString();
+    int seedNodes = 1;
+    List<Member> startupMembers = new ArrayList<>();
+    for (int i = 1; i < seedNodes+1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (50000 + i));
+      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
+    }
+    final List<GossipManager> clients = new ArrayList<>();
+    final int clusterMembers = 2;
+    for (int i = 1; i < clusterMembers + 1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (50000 + i));
+      GossipManager gossipService = GossipManagerBuilder.newBuilder().cluster(cluster).uri(uri)
+              .id(i + "").gossipMembers(startupMembers).gossipSettings(settings).build();
+      clients.add(gossipService);
+      gossipService.init();
+      register(gossipService);
+    }
+    TUnit.assertThat(() -> {
+      int total = 0;
+      for (int i = 0; i < clusterMembers; ++i) {
+        total += clients.get(i).getLiveMembers().size();
+      }
+      return total;
+    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo(2);
+    clients.get(0).gossipPerNodeData(msg());
+    clients.get(0).gossipSharedData(sharedMsg());
+
+    TUnit.assertThat(()-> {
+      PerNodeDataMessage x = clients.get(1).findPerNodeGossipData(1 + "", "a");
+      if (x == null)
+        return "";
+      else
+        return x.getPayload();
+    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo("b");
+   
+    TUnit.assertThat(() ->  {
+      SharedDataMessage x = clients.get(1).findSharedGossipData("a");
+      if (x == null)
+        return "";
+      else
+        return x.getPayload();
+    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo("c");
+    
+    
+    givenDifferentDatumsInSet(clients);
+    assertThatListIsMerged(clients);
+    
+    givenOrs(clients);
+    assertThatOrSetIsMerged(clients);
+    dropIt(clients);
+    assertThatOrSetDelIsMerged(clients);
+
+    
+    // test g counter
+    givenDifferentIncrement(clients);
+    assertThatCountIsUpdated(clients, 3);
+    givenIncreaseOther(clients);
+    assertThatCountIsUpdated(clients, 7);
+
+    for (int i = 0; i < clusterMembers; ++i) {
+      clients.get(i).shutdown();
+    }
+  }
+  
+  private void givenDifferentIncrement(final List<GossipManager> clients) {
+    {
+      SharedDataMessage d = new SharedDataMessage();
+      d.setKey(gCounterKey);
+      d.setPayload(new GrowOnlyCounter(new GrowOnlyCounter.Builder(clients.get(0)).increment(1L)));
+      d.setExpireAt(Long.MAX_VALUE);
+      d.setTimestamp(System.currentTimeMillis());
+      clients.get(0).merge(d);
+    }
+    {
+      SharedDataMessage d = new SharedDataMessage();
+      d.setKey(gCounterKey);
+      d.setPayload(new GrowOnlyCounter(new GrowOnlyCounter.Builder(clients.get(1)).increment(2L)));
+      d.setExpireAt(Long.MAX_VALUE);
+      d.setTimestamp(System.currentTimeMillis());
+      clients.get(1).merge(d);
+    }
+  }
+
+  private void givenIncreaseOther(final List<GossipManager> clients) {
+    GrowOnlyCounter gc = (GrowOnlyCounter) clients.get(1).findCrdt(gCounterKey);
+    GrowOnlyCounter gc2 = new GrowOnlyCounter(gc,
+            new GrowOnlyCounter.Builder(clients.get(1)).increment(4L));
+
+    SharedDataMessage d = new SharedDataMessage();
+    d.setKey(gCounterKey);
+    d.setPayload(gc2);
+    d.setExpireAt(Long.MAX_VALUE);
+    d.setTimestamp(System.currentTimeMillis());
+    clients.get(1).merge(d);
+  }
+
+  private void givenOrs(List<GossipManager> clients) {
+    {
+      SharedDataMessage d = new SharedDataMessage();
+      d.setKey(orSetKey);
+      d.setPayload(new OrSet<String>("1", "2"));
+      d.setExpireAt(Long.MAX_VALUE);
+      d.setTimestamp(System.currentTimeMillis());
+      clients.get(0).merge(d);
+    }
+    {
+      SharedDataMessage d = new SharedDataMessage();
+      d.setKey(orSetKey);
+      d.setPayload(new OrSet<String>("3", "4"));
+      d.setExpireAt(Long.MAX_VALUE);
+      d.setTimestamp(System.currentTimeMillis());
+      clients.get(1).merge(d);
+    }
+  }
+  
+  private void dropIt(List<GossipManager> clients) {
+    @SuppressWarnings("unchecked")
+    OrSet<String> o = (OrSet<String>) clients.get(0).findCrdt(orSetKey);
+    OrSet<String> o2 = new OrSet<String>(o, new OrSet.Builder<String>().remove("3"));
+    SharedDataMessage d = new SharedDataMessage();
+    d.setKey(orSetKey);
+    d.setPayload(o2);
+    d.setExpireAt(Long.MAX_VALUE);
+    d.setTimestamp(System.currentTimeMillis());
+    clients.get(0).merge(d);
+  }
+  
+  private void assertThatOrSetIsMerged(final List<GossipManager> clients){
+    TUnit.assertThat(() ->  {
+      return clients.get(0).findCrdt(orSetKey).value();
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new OrSet<String>("1", "2", "3", "4").value());
+    TUnit.assertThat(() ->  {
+      return clients.get(1).findCrdt(orSetKey).value();
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new OrSet<String>("1", "2", "3", "4").value());
+  }
+  
+  private void assertThatOrSetDelIsMerged(final List<GossipManager> clients){
+    TUnit.assertThat(() ->  {
+      return clients.get(0).findCrdt(orSetKey);
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).equals(new OrSet<String>("1", "2", "4"));
+  }
+
+  private void givenDifferentDatumsInSet(final List<GossipManager> clients){
+    clients.get(0).merge(CrdtMessage("1"));
+    clients.get(1).merge(CrdtMessage("2"));
+  }
+  
+
+  private void assertThatCountIsUpdated(final List<GossipManager> clients, long finalCount) {
+    TUnit.assertThat(() -> {
+      return clients.get(0).findCrdt(gCounterKey);
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new GrowOnlyCounter(
+            new GrowOnlyCounter.Builder(clients.get(0)).increment(finalCount)));
+  }
+
+  private void assertThatListIsMerged(final List<GossipManager> clients){
+    TUnit.assertThat(() ->  {
+      return clients.get(0).findCrdt("cr");
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo(new GrowOnlySet<String>(Arrays.asList("1","2")));
+  }
+  
+  private SharedDataMessage CrdtMessage(String item){
+    SharedDataMessage d = new SharedDataMessage();
+    d.setKey("cr");
+    d.setPayload(new GrowOnlySet<String>( Arrays.asList(item)));
+    d.setExpireAt(Long.MAX_VALUE);
+    d.setTimestamp(System.currentTimeMillis());
+    return d;
+  }
+  
+  private PerNodeDataMessage msg(){
+    PerNodeDataMessage g = new PerNodeDataMessage();
+    g.setExpireAt(Long.MAX_VALUE);
+    g.setKey("a");
+    g.setPayload("b");
+    g.setTimestamp(System.currentTimeMillis());
+    return g;
+  }
+  
+  private SharedDataMessage sharedMsg(){
+    SharedDataMessage g = new SharedDataMessage();
+    g.setExpireAt(Long.MAX_VALUE);
+    g.setKey("a");
+    g.setPayload("c");
+    g.setTimestamp(System.currentTimeMillis());
+    return g;
+  }
+  
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/IdAndPropertyTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/IdAndPropertyTest.java b/gossip-itest/src/test/java/org/apache/gossip/IdAndPropertyTest.java
new file mode 100644
index 0000000..7f550de
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/IdAndPropertyTest.java
@@ -0,0 +1,91 @@
+/*
+ * 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.gossip;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit; 
+
+import org.apache.gossip.manager.DatacenterRackAwareActiveGossiper;
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+
+import io.teknek.tunit.TUnit;
+
+@RunWith(JUnitPlatform.class)
+public class IdAndPropertyTest extends AbstractIntegrationBase {
+
+  @Test
+  public void testDatacenterRackGossiper() throws URISyntaxException, UnknownHostException, InterruptedException {
+    GossipSettings settings = new GossipSettings();
+    settings.setActiveGossipClass(DatacenterRackAwareActiveGossiper.class.getName());
+    List<Member> startupMembers = new ArrayList<>();
+    Map<String, String> x = new HashMap<>();
+    x.put("a", "b");
+    x.put("datacenter", "dc1");
+    x.put("rack", "rack1");
+    GossipManager gossipService1 = GossipManagerBuilder.newBuilder()
+            .cluster("a")
+            .uri(new URI("udp://" + "127.0.0.1" + ":" + (29000 + 0)))
+            .id("0")
+            .properties(x)
+            .gossipMembers(startupMembers)
+            .gossipSettings(settings).build();
+    gossipService1.init();
+    register(gossipService1);
+    
+    Map<String, String> y = new HashMap<>();
+    y.put("a", "c");
+    y.put("datacenter", "dc2");
+    y.put("rack", "rack2");
+    GossipManager gossipService2 = GossipManagerBuilder.newBuilder().cluster("a")
+            .uri( new URI("udp://" + "127.0.0.1" + ":" + (29000 + 10)))
+            .id("1")
+            .properties(y)
+            .gossipMembers(Arrays.asList(new RemoteMember("a",
+                    new URI("udp://" + "127.0.0.1" + ":" + (29000 + 0)), "0")))
+            .gossipSettings(settings).build();
+    gossipService2.init();
+    register(gossipService2);
+    
+    TUnit.assertThat(() -> { 
+      String value = ""; 
+      try {
+        value = gossipService1.getLiveMembers().get(0).getProperties().get("a");
+      } catch (RuntimeException e){ }
+      return value;
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo("c");
+    
+    TUnit.assertThat(() -> { 
+      String value = ""; 
+      try {
+        value = gossipService2.getLiveMembers().get(0).getProperties().get("a");
+      } catch (RuntimeException e){ }
+      return value;
+    }).afterWaitingAtMost(10, TimeUnit.SECONDS).isEqualTo("b");        
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java b/gossip-itest/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
new file mode 100644
index 0000000..dd5bfe9
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/ShutdownDeadtimeTest.java
@@ -0,0 +1,148 @@
+/*
+ * 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.gossip;
+
+import io.teknek.tunit.TUnit;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.apache.log4j.Logger;
+
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.jupiter.api.Test;
+
+import org.junit.runner.RunWith;
+
+@RunWith(JUnitPlatform.class)
+public class ShutdownDeadtimeTest {
+
+  private static final Logger log = Logger.getLogger(ShutdownDeadtimeTest.class);
+  
+  // Note: this test is floppy depending on the values in GossipSettings (smaller values seem to do harm), and the
+  //       sleep that happens after startup.
+  @Test
+  public void DeadNodesDoNotComeAliveAgain()
+          throws InterruptedException, UnknownHostException, URISyntaxException {
+    GossipSettings settings = new GossipSettings(100, 10000, 1000, 1, 10.0, "normal");
+    settings.setPersistRingState(false);
+    settings.setPersistDataState(false);
+    String cluster = UUID.randomUUID().toString();
+    int seedNodes = 3;
+    List<Member> startupMembers = new ArrayList<>();
+    for (int i = 1; i < seedNodes + 1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30300 + i));
+      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
+    }
+    final List<GossipManager> clients = Collections.synchronizedList(new ArrayList<GossipManager>());
+    final int clusterMembers = 5;
+    for (int i = 1; i < clusterMembers + 1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30300 + i));
+      GossipManager gossipService = GossipManagerBuilder.newBuilder()
+              .cluster(cluster)
+              .uri(uri)
+              .id(i + "")
+              .gossipMembers(startupMembers)
+              .gossipSettings(settings)
+              .build();
+      clients.add(gossipService);
+      gossipService.init();
+      Thread.sleep(1000); 
+    }
+    TUnit.assertThat(new Callable<Integer>() {
+      public Integer call() throws Exception {
+        int total = 0;
+        for (int i = 0; i < clusterMembers; ++i) {
+          total += clients.get(i).getLiveMembers().size();
+        }
+        return total;
+      }
+    }).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(20);
+
+    // shutdown one client and verify that one client is lost.
+    Random r = new Random();
+    int randomClientId = r.nextInt(clusterMembers);
+    log.info("shutting down " + randomClientId);
+    final int shutdownPort = clients.get(randomClientId).getMyself().getUri()
+            .getPort();
+    final String shutdownId = clients.get(randomClientId).getMyself().getId();
+    clients.get(randomClientId).shutdown();
+    TUnit.assertThat(new Callable<Integer>() {
+      public Integer call() throws Exception {
+        int total = 0;
+        for (int i = 0; i < clusterMembers; ++i) {
+          total += clients.get(i).getLiveMembers().size();
+        }
+        return total;
+      }
+    }).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(16);
+    clients.remove(randomClientId);
+
+    TUnit.assertThat(new Callable<Integer>() {
+      public Integer call() throws Exception {
+        int total = 0;
+        for (int i = 0; i < clusterMembers - 1; ++i) {
+          total += clients.get(i).getDeadMembers().size();
+        }
+        return total;
+      }
+    }).afterWaitingAtMost(50, TimeUnit.SECONDS).isEqualTo(4);
+
+    URI uri = new URI("udp://" + "127.0.0.1" + ":" + shutdownPort);
+    // start client again
+    GossipManager gossipService = GossipManagerBuilder.newBuilder()
+            .gossipSettings(settings)
+            .cluster(cluster)
+            .uri(uri)
+            .id(shutdownId+"")
+            .gossipMembers(startupMembers)
+            .build();
+    clients.add(gossipService);
+    gossipService.init();
+
+    // verify that the client is alive again for every node
+    TUnit.assertThat(new Callable<Integer>() {
+      public Integer call() throws Exception {
+        int total = 0;
+        for (int i = 0; i < clusterMembers; ++i) {
+          total += clients.get(i).getLiveMembers().size();
+        }
+        return total;
+      }
+    }).afterWaitingAtMost(60, TimeUnit.SECONDS).isEqualTo(20);
+
+    for (int i = 0; i < clusterMembers; ++i) {
+      final int j = i;
+      new Thread() {
+        public void run(){
+          clients.get(j).shutdown();
+        }
+      }.start();
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/SignedMessageTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/SignedMessageTest.java b/gossip-itest/src/test/java/org/apache/gossip/SignedMessageTest.java
new file mode 100644
index 0000000..e288cb8
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/SignedMessageTest.java
@@ -0,0 +1,117 @@
+/*
+ * 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.gossip;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.apache.gossip.manager.PassiveGossipConstants;
+import org.apache.gossip.secure.KeyTool;
+import org.junit.Assert;
+import org.junit.Test;
+
+import io.teknek.tunit.TUnit;
+
+public class SignedMessageTest extends AbstractIntegrationBase {
+
+  private GossipSettings gossiperThatSigns(){
+    GossipSettings settings = new GossipSettings();
+    settings.setPersistRingState(false);
+    settings.setPersistDataState(false);
+    settings.setSignMessages(true);
+    return settings;
+  }
+  
+  private GossipSettings gossiperThatSigns(String keysDir){
+    GossipSettings settings = gossiperThatSigns();
+    settings.setPathToKeyStore(Objects.requireNonNull(keysDir));
+    return settings;
+  }
+  
+  @Test
+  public void dataTest() throws InterruptedException, URISyntaxException, NoSuchAlgorithmException, NoSuchProviderException, IOException {
+    final String keys = System.getProperty("java.io.tmpdir") + "/keys";
+    GossipSettings settings = gossiperThatSigns(keys);
+    setup(keys);
+    String cluster = UUID.randomUUID().toString();
+    List<Member> startupMembers = new ArrayList<>();
+    for (int i = 1; i < 2; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
+      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
+    }
+    final List<GossipManager> clients = new ArrayList<>();
+    for (int i = 1; i < 3; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (30000 + i));
+      GossipManager gossipService = GossipManagerBuilder.newBuilder()
+              .cluster(cluster)
+              .uri(uri)
+              .id(i + "")
+              .gossipMembers(startupMembers)
+              .gossipSettings(settings)
+              .build();
+      gossipService.init();
+      clients.add(gossipService);
+    }
+    assertTwoAlive(clients);
+    assertOnlySignedMessages(clients);
+    cleanup(keys, clients);
+  }
+  
+  private void assertTwoAlive(List<GossipManager> clients){
+    TUnit.assertThat(() -> {
+      int total = 0;
+      for (int i = 0; i < clients.size(); ++i) {
+        total += clients.get(i).getLiveMembers().size();
+      }
+      return total;
+    }).afterWaitingAtMost(20, TimeUnit.SECONDS).isEqualTo(2);
+  }
+  
+  private void assertOnlySignedMessages(List<GossipManager> clients){
+    Assert.assertEquals(0, clients.get(0).getRegistry()
+            .meter(PassiveGossipConstants.UNSIGNED_MESSAGE).getCount());
+    Assert.assertTrue(clients.get(0).getRegistry()
+            .meter(PassiveGossipConstants.SIGNED_MESSAGE).getCount() > 0);
+  }
+  
+  private void cleanup(String keys, List<GossipManager> clients){
+    new File(keys, "1").delete();
+    new File(keys, "2").delete();
+    new File(keys).delete();
+    for (int i = 0; i < clients.size(); ++i) {
+      clients.get(i).shutdown();
+    }
+  }
+  
+  private void setup(String keys) throws NoSuchAlgorithmException, NoSuchProviderException, IOException {
+    new File(keys).mkdir();
+    KeyTool.generatePubandPrivateKeyFiles(keys, "1");
+    KeyTool.generatePubandPrivateKeyFiles(keys, "2");
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/StartupSettingsTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/StartupSettingsTest.java b/gossip-itest/src/test/java/org/apache/gossip/StartupSettingsTest.java
new file mode 100644
index 0000000..ea93a90
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/StartupSettingsTest.java
@@ -0,0 +1,91 @@
+/*
+ * 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.gossip;
+
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.apache.log4j.Logger;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.UUID;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+
+/**
+ * Tests support of using {@code StartupSettings} and thereby reading
+ * setup config from file.
+ */
+@RunWith(JUnitPlatform.class)
+public class StartupSettingsTest {
+  private static final Logger log = Logger.getLogger(StartupSettingsTest.class);
+  private static final String CLUSTER = UUID.randomUUID().toString();
+
+  @Test
+  public void testUsingSettingsFile() throws IOException, InterruptedException, URISyntaxException {
+    File settingsFile = File.createTempFile("gossipTest",".json");
+    settingsFile.deleteOnExit();
+    writeSettingsFile(settingsFile);
+    URI uri = new URI("udp://" + "127.0.0.1" + ":" + 50000);
+    GossipSettings firstGossipSettings = new GossipSettings();
+    firstGossipSettings.setTransportManagerClass("org.apache.gossip.transport.UnitTestTransportManager");
+    firstGossipSettings.setProtocolManagerClass("org.apache.gossip.protocol.UnitTestProtocolManager");
+    GossipManager firstService = GossipManagerBuilder.newBuilder()
+            .cluster(CLUSTER)
+            .uri(uri)
+            .id("1")
+            .gossipSettings(firstGossipSettings).build();
+    firstService.init();
+    GossipManager manager = GossipManagerBuilder.newBuilder()
+            .startupSettings(StartupSettings.fromJSONFile(settingsFile)).build();
+    manager.init();
+    firstService.shutdown();
+    manager.shutdown();
+  }
+
+  private void writeSettingsFile( File target ) throws IOException {
+    String settings =
+            "[{\n" + // It is odd that this is meant to be in an array, but oh well.
+            "  \"cluster\":\"" + CLUSTER + "\",\n" +
+            "  \"id\":\"" + "2" + "\",\n" +
+            "  \"uri\":\"udp://127.0.0.1:50001\",\n" +
+            "  \"gossip_interval\":1000,\n" +
+            "  \"window_size\":1000,\n" +
+            "  \"minimum_samples\":5,\n" +
+            "  \"cleanup_interval\":10000,\n" +
+            "  \"convict_threshold\":2.6,\n" +
+            "  \"distribution\":\"exponential\",\n" +
+            "  \"transport_manager_class\":\"org.apache.gossip.transport.UnitTestTransportManager\",\n" +
+            "  \"protocol_manager_class\":\"org.apache.gossip.protocol.UnitTestProtocolManager\",\n" +
+            "  \"properties\":{},\n" +
+            "  \"members\":[\n" +
+            "    {\"cluster\": \"" + CLUSTER + "\",\"uri\":\"udp://127.0.0.1:5000\"}\n" +
+            "  ]\n" +
+            "}]";
+
+    log.info( "Using settings file with contents of:\n---\n" + settings + "\n---" );
+    FileOutputStream output = new FileOutputStream(target);
+    output.write(settings.getBytes());
+    output.close();
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-itest/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
----------------------------------------------------------------------
diff --git a/gossip-itest/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java b/gossip-itest/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
new file mode 100644
index 0000000..8ae783e
--- /dev/null
+++ b/gossip-itest/src/test/java/org/apache/gossip/TenNodeThreeSeedTest.java
@@ -0,0 +1,92 @@
+/*
+ * 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.gossip; 
+
+import io.teknek.tunit.TUnit;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+import org.apache.gossip.manager.GossipManager;
+import org.apache.gossip.manager.GossipManagerBuilder;
+import org.junit.jupiter.api.Test;
+
+@RunWith(JUnitPlatform.class)
+public class TenNodeThreeSeedTest {
+
+  @Test
+  public void test() throws UnknownHostException, InterruptedException, URISyntaxException {
+    abc(30150);
+  }
+
+  @Test
+  public void testAgain() throws UnknownHostException, InterruptedException, URISyntaxException {
+    abc(30100);
+  }
+
+  public void abc(int base) throws InterruptedException, UnknownHostException, URISyntaxException {
+    GossipSettings settings = new GossipSettings(1000, 10000, 1000, 1, 1.6, "exponential");
+    settings.setPersistRingState(false);
+    settings.setPersistDataState(false);
+    String cluster = UUID.randomUUID().toString();
+    int seedNodes = 3;
+    List<Member> startupMembers = new ArrayList<>();
+    for (int i = 1; i < seedNodes+1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i));
+      startupMembers.add(new RemoteMember(cluster, uri, i + ""));
+    }
+    final List<GossipManager> clients = new ArrayList<>();
+    final int clusterMembers = 5;
+    for (int i = 1; i < clusterMembers+1; ++i) {
+      URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i));
+      GossipManager gossipService = GossipManagerBuilder.newBuilder()
+              .cluster(cluster)
+              .uri(uri)
+              .id(i + "")
+              .gossipSettings(settings)
+              .gossipMembers(startupMembers)
+              .build();
+      gossipService.init();
+      clients.add(gossipService);
+    }    
+    TUnit.assertThat(new Callable<Integer> (){
+      public Integer call() throws Exception {
+        int total = 0;
+        for (int i = 0; i < clusterMembers; ++i) {
+          total += clients.get(i).getLiveMembers().size();
+        }
+        return total;
+      }}).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(20);
+          
+    for (int i = 0; i < clusterMembers; ++i) {
+      int j = i;
+      new Thread(){
+        public void run(){
+          clients.get(j).shutdown();
+        }
+      }.start();
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-protocol-jackson/pom.xml
----------------------------------------------------------------------
diff --git a/gossip-protocol-jackson/pom.xml b/gossip-protocol-jackson/pom.xml
index 067a27e..128a26d 100644
--- a/gossip-protocol-jackson/pom.xml
+++ b/gossip-protocol-jackson/pom.xml
@@ -36,16 +36,16 @@
     <dependency>
       <groupId>org.apache.gossip</groupId>
       <artifactId>gossip-base</artifactId>
-      <version>0.1.3-incubating-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.gossip</groupId>
       <artifactId>gossip-base</artifactId>
-      <version>0.1.3-incubating-SNAPSHOT</version>
+      <version>${project.version}</version>
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
     
   </dependencies>
 
-</project>
\ No newline at end of file
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/JacksonTest.java
----------------------------------------------------------------------
diff --git a/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/JacksonTest.java b/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/JacksonTest.java
index bd8a949..cbac460 100644
--- a/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/JacksonTest.java
+++ b/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/JacksonTest.java
@@ -25,9 +25,7 @@ import org.apache.gossip.Member;
 import org.apache.gossip.crdt.OrSet;
 import org.apache.gossip.manager.GossipManager;
 import org.apache.gossip.manager.GossipManagerBuilder;
-import org.apache.gossip.model.Base;
 import org.apache.gossip.protocol.ProtocolManager;
-import org.apache.gossip.udp.Trackable;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -36,11 +34,7 @@ import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.UnknownHostException;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
-import java.util.Objects;
 import java.util.UUID;
 
 public class JacksonTest {

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/TestMessage.java
----------------------------------------------------------------------
diff --git a/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/TestMessage.java b/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/TestMessage.java
index 43032de..7ac211d 100644
--- a/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/TestMessage.java
+++ b/gossip-protocol-jackson/src/test/java/org/apache/gossip/protocol/json/TestMessage.java
@@ -41,6 +41,7 @@ class TestMessage extends Base implements Trackable {
   private Object[] arrayOfThings;
   private Map<String, String> mapOfThings = new HashMap<>();
 
+  @SuppressWarnings("unused")//Used by ObjectMapper
   private TestMessage() {
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-gossip/blob/c62ebaf9/gossip-transport-udp/pom.xml
----------------------------------------------------------------------
diff --git a/gossip-transport-udp/pom.xml b/gossip-transport-udp/pom.xml
index 2e79b1a..446aace 100644
--- a/gossip-transport-udp/pom.xml
+++ b/gossip-transport-udp/pom.xml
@@ -36,8 +36,8 @@
     <dependency>
       <groupId>org.apache.gossip</groupId>
       <artifactId>gossip-base</artifactId>
-      <version>0.1.3-incubating-SNAPSHOT</version>
+      <version>${project.version}</version>
     </dependency>
   </dependencies>
     
-</project>
\ No newline at end of file
+</project>