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Posted to commits@geode.apache.org by hi...@apache.org on 2016/09/13 22:43:54 UTC

[06/61] [abbrv] incubator-geode git commit: GEODE-37 change package name from com.gemstone.gemfire (for ./geode-wan/src/test/java/com/gemstone/gemfire)to org.apache.geode for(to ./geode-wan/src/test/java/org/apache/geode)

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/f39e2394/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationDUnitTest.java
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diff --git a/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationDUnitTest.java b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationDUnitTest.java
new file mode 100644
index 0000000..0cb60be
--- /dev/null
+++ b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationDUnitTest.java
@@ -0,0 +1,1336 @@
+/*
+ * 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 com.gemstone.gemfire.internal.cache.wan.serial;
+
+import static org.junit.Assert.*;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import com.gemstone.gemfire.cache.CacheException;
+import com.gemstone.gemfire.cache.EntryExistsException;
+import com.gemstone.gemfire.cache.client.ServerOperationException;
+import com.gemstone.gemfire.cache30.CacheSerializableRunnable;
+import com.gemstone.gemfire.distributed.internal.DistributionConfig;
+import com.gemstone.gemfire.internal.cache.wan.BatchException70;
+import com.gemstone.gemfire.internal.cache.wan.WANTestBase;
+import com.gemstone.gemfire.test.dunit.AsyncInvocation;
+import com.gemstone.gemfire.test.dunit.IgnoredException;
+import com.gemstone.gemfire.test.dunit.LogWriterUtils;
+import com.gemstone.gemfire.test.dunit.SerializableRunnableIF;
+import com.gemstone.gemfire.test.dunit.Wait;
+import com.gemstone.gemfire.test.junit.categories.DistributedTest;
+import com.gemstone.gemfire.test.junit.categories.FlakyTest;
+
+@Category(DistributedTest.class)
+public class SerialWANPropagationDUnitTest extends WANTestBase {
+
+  @Override
+  public final void postSetUpWANTestBase() throws Exception {
+    IgnoredException.addIgnoredException("Connection reset");
+    IgnoredException.addIgnoredException("Broken pipe");
+    IgnoredException.addIgnoredException("Connection refused");
+    IgnoredException.addIgnoredException("could not get remote locator information");
+    IgnoredException.addIgnoredException("Unexpected IOException");
+  }
+
+  /**
+   * this test is disabled due to a high rate of failure in unit test runs
+   * see ticket #52190
+   */
+  @Ignore("TODO: test is disabled because of #52190")
+  @Test
+  public void testReplicatedSerialPropagation_withoutRemoteLocator() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //keep the batch size high enough to reduce the number of exceptions in the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 400, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 400, false, false, null, true ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+      1000 ));
+
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+
+    vm2.invoke(() -> WANTestBase.createReceiver());
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+
+  protected SerializableRunnableIF createReplicatedRegionRunnable() {
+    return () -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln", isOffHeap()   );
+  }
+
+  @Test
+  public void testReplicatedSerialPropagation_withoutRemoteSite() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //keep the batch size high enough to reduce the number of exceptions in the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 400, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 400, false, false, null, true ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+    
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+      1000 ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    vm2.invoke(() -> WANTestBase.createReceiver());
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+  
+  /**
+   * Added to reproduce the bug #46595
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithoutRemoteSite_defect46595()
+      throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    // reduce the batch-size so maximum number of batches will be sent
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 5, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 5, false, false, null, true ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    IgnoredException.addIgnoredException(IOException.class.getName());
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        10000 ));
+
+    // pause for some time before starting up the remote site
+    Wait.pause(10000);
+
+    createCacheInVMs(nyPort, vm2, vm3);
+    
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", null, isOffHeap()  ));
+  
+    vm2.invoke(() -> WANTestBase.createReceiver());
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagation() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        1000 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+  
+  @Test
+  public void testReplicatedSerialPropagationWithLocalSiteClosedAndRebuilt() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        1000 ));
+    
+    //---------close local site and build again-----------------------------------------
+    vm4.invoke(() -> WANTestBase.killSender( ));
+    vm5.invoke(() -> WANTestBase.killSender( ));
+    vm6.invoke(() -> WANTestBase.killSender( ));
+    vm7.invoke(() -> WANTestBase.killSender( ));
+    
+    Integer regionSize = 
+      (Integer) vm2.invoke(() -> WANTestBase.getRegionSize(getTestMethodName() + "_RR" ));
+    LogWriterUtils.getLogWriter().info("Region size on remote is: " + regionSize);
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+      false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+      false, 100, 10, false, false, null, true ));
+    
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.waitForSenderRunningState( "ln" ));
+    vm5.invoke(() -> WANTestBase.waitForSenderRunningState( "ln" ));
+    
+    IgnoredException.addIgnoredException(EntryExistsException.class.getName());
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+      1000 ));
+    //----------------------------------------------------------------------------------
+
+    //verify remote site receives all the events
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+
+  /**
+   * Two regions configured with the same sender and put is in progress 
+   * on both the regions.
+   * One of the two regions is destroyed in the middle.
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithLocalRegionDestroy() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    //these are part of remote site
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    //these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //senders are created on local site
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 20, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 20, false, false, null, true ));
+
+    //create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    //create another RR (RR_2) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    
+    //start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    //create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    //create another RR (RR_2) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    
+    //start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+    //do puts in RR_2 in main thread
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_2", 500 ));
+    //destroy RR_2 after above puts are complete
+    vm4.invoke(() -> WANTestBase.destroyRegion( getTestMethodName() + "_RR_2"));
+    
+    inv1.join();
+
+    //vm4.invoke(() -> WANTestBase.verifyQueueSize( "ln", 0 ));
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_2", 500 ));
+  }
+
+  /**
+   * 1 region and sender configured on local site and 1 region and a 
+   * receiver configured on remote site. Puts to the local region are in progress.
+   * Remote region is destroyed in the middle.
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteRegionDestroy() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    //these are part of remote site
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    //these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //senders are created on local site
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 500, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 500, false, false, null, true ));
+
+    //create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    //start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    //create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    
+    //start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+    //destroy RR_1 in remote site
+    vm2.invoke(() -> WANTestBase.destroyRegion( getTestMethodName() + "_RR_1"));
+
+    inv1.join();
+
+    //verify that all is well in local site. All the events should be present in local region
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 1000 ));
+    //assuming some events might have been dispatched before the remote region was destroyed,
+    //sender's region queue will have events less than 1000 but the queue will not be empty.
+    //NOTE: this much verification might be sufficient in DUnit. Hydra will take care of 
+    //more in depth validations.
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty("ln" ));
+  }
+  
+  /**
+   * Two regions configured in local with the same sender and put is in progress 
+   * on both the regions. Same two regions are configured on remote site as well.
+   * One of the two regions is destroyed in the middle on remote site.
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteRegionDestroy2() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    //these are part of remote site
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    //these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //senders are created on local site
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 200, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 200, false, false, null, true ));
+
+    //create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    //create another RR (RR_2) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    
+    //start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    //create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    //create another RR (RR_2) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    //destroy RR_2 on remote site in the middle
+    vm2.invoke(() -> WANTestBase.destroyRegion( getTestMethodName() + "_RR_2"));
+    
+    //expected exceptions in the logs
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    
+    //start puts in RR_2 in another thread
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_2", 1000 ));
+    
+    //start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+
+    inv1.join();
+
+    //though region RR_2 is destroyed, RR_1 should still get all the events put in it 
+    //in local site
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 1000 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteRegionDestroy3()
+      throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    // these are part of remote site
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    // senders are created on local site
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 200, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 200, false, false, null, true ));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    // create another RR (RR_2) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", null, isOffHeap()  ));
+    
+    // start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    // create another RR (RR_2) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_2", "ln", isOffHeap()  ));
+
+    IgnoredException.addIgnoredException(BatchException70.class.getName());
+    IgnoredException.addIgnoredException(ServerOperationException.class.getName());
+    
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+    // start puts in RR_2 in another thread
+    AsyncInvocation inv2 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_2", 1000 ));
+    // destroy RR_2 on remote site in the middle
+    vm2.invoke(() -> WANTestBase.destroyRegion( getTestMethodName()
+        + "_RR_2" ));
+
+    inv1.join();
+    inv2.join();
+
+    // though region RR_2 is destroyed, RR_1 should still get all the events put
+    // in it
+    // in local site
+    try {
+      vm2.invoke(() -> WANTestBase.validateRegionSize(
+          getTestMethodName() + "_RR_1", 1000 ));
+    } finally {
+      System.setProperty(
+          DistributionConfig.GEMFIRE_PREFIX + "GatewaySender.REMOVE_FROM_QUEUE_ON_EXCEPTION", "False");
+      vm4.invoke(new CacheSerializableRunnable("UnSetting system property ") {
+        public void run2() throws CacheException {
+          System.setProperty(
+              DistributionConfig.GEMFIRE_PREFIX + "GatewaySender.REMOVE_FROM_QUEUE_ON_EXCEPTION", "False");
+        }
+      });
+
+      vm5.invoke(new CacheSerializableRunnable("UnSetting system property ") {
+        public void run2() throws CacheException {
+          System.setProperty(
+              DistributionConfig.GEMFIRE_PREFIX + "GatewaySender.REMOVE_FROM_QUEUE_ON_EXCEPTION", "False");
+        }
+      });
+    }
+  }
+  
+  /**
+   * one region and sender configured on local site and the same region and a 
+   * receiver configured on remote site. Puts to the local region are in progress.
+   * Receiver on remote site is stopped in the middle by closing remote site cache.
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteReceiverStopped() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    //these are part of remote site
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    //these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    //senders are created on local site. Batch size is kept to a high (170) so 
+    //there will be less number of exceptions (occur during dispatchBatch) in the log 
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 350, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 350, false, false, null, true ));
+
+    //create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    //start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    //create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    //start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 500 ));
+    //close cache in remote site. This will automatically kill the remote receivers.
+    vm2.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+
+    //verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 500 ));
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty("ln" ));
+  }
+  
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteReceiverRestarted()
+      throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    // these are part of remote site
+    vm2.invoke(() -> WANTestBase.createCache( nyPort ));
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    // senders are created on local site. Batch size is kept to a high (170) so
+    // there will be less number of exceptions (occur during dispatchBatch) in
+    // the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 350, false, false, null, true ));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    // start the senders on local site
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 8000 ));
+    // close cache in remote site. This will automatically kill the remote
+    // receivers.
+    Wait.pause(2000);
+    vm2.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+
+    // verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 8000 ));
+
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateQueueContents( "ln",
+        0 ));
+
+    vm2.invoke(() -> WANTestBase.checkMinimumGatewayReceiverStats( 1, 1 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteReceiverRestarted_SenderReceiverPersistent()
+      throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    // these are part of remote site
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    // senders are created on local site. Batch size is kept to a high (170) so
+    // there will be less number of exceptions (occur during dispatchBatch) in
+    // the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2, false, 100, 350, false, true, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender("ln", 2, false, 100, 350, false, true, null, true));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createPersistentReplicatedRegion(getTestMethodName() + "_RR_1", null, isOffHeap()));
+    vm2.invoke(() -> WANTestBase.addListenerToSleepAfterCreateEvent(2000, getTestMethodName() + "_RR_1"));
+    // start the senders on local site
+    startSenderInVMs("ln", vm4, vm5);
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(getTestMethodName() + "_RR_1", "ln", isOffHeap()));
+
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 8000 ));
+    // close cache in remote site. This will automatically kill the remote
+    // receivers.
+    vm2.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+
+    // verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(getTestMethodName() + "_RR_1", 8000));
+
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty( "ln" ));
+
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createPersistentReplicatedRegion(getTestMethodName() + "_RR_1", null, isOffHeap()));
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateQueueContents("ln", 0));
+
+    vm2.invoke(() -> WANTestBase.checkMinimumGatewayReceiverStats(1, 1));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(getTestMethodName() + "_RR_1", 8000));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteSiteBouncedBack_ReceiverPersistent()
+      throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    // these are part of remote site
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    // senders are created on local site. Batch size is kept to a high (170) so
+    // there will be less number of exceptions (occur during dispatchBatch) in
+    // the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 350, false, false, null, true ));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createPersistentReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    // start the senders on local site
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 8000 ));
+    // close cache in remote site. This will automatically kill the remote
+    // receivers.
+    Wait.pause(2000);
+    vm1.invoke(() -> WANTestBase.shutdownLocator());
+    vm2.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+
+    // Do some extra puts after cache close so that some events are in the queue.
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+
+    // verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 8000 ));
+
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty( "ln" ));
+
+    vm1.invoke(() -> WANTestBase.bringBackLocatorOnOldPort(
+        2, lnPort, nyPort ));
+
+    createCacheInVMs(nyPort, vm2);
+
+    vm2.invoke(() -> WANTestBase.createPersistentReplicatedRegion(
+      getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateQueueContents( "ln",
+        0 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR_1", 8000 ));
+    
+    vm2.invoke(() -> WANTestBase.checkMinimumGatewayReceiverStats( 1, 1 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteSiteBouncedBackWithMultipleRemoteLocators()
+      throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort1 = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    Integer nyPort2 = (Integer) vm3.invoke(() -> WANTestBase.createSecondRemoteLocator( 2, nyPort1, lnPort ));
+
+    // these are part of remote site
+    createCacheInVMs(nyPort1, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    // senders are created on local site. Batch size is kept to a high (170) so
+    // there will be less number of exceptions (occur during dispatchBatch) in
+    // the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 350, false, false, null, true ));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+
+    // start the senders on local site
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR_1", "ln", isOffHeap()  ));
+
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 8000 ));
+    // close cache in remote site. This will automatically kill the remote
+    // receivers.
+    Wait.pause(2000);
+    vm1.invoke(() -> WANTestBase.shutdownLocator());
+    vm2.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 1000 ));
+    // verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR_1", 8000 ));
+
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty( "ln" ));
+
+    createCacheInVMs(nyPort2, vm6);
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR_1", null, isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateQueueContents( "ln",
+        0 ));
+
+    vm6.invoke(() -> WANTestBase.checkMinimumGatewayReceiverStats( 1, 1 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteReceiverRestartedOnOtherNode() throws Exception {
+    Integer lnPort = (Integer) vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer) vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    // these are part of remote site
+    createCacheInVMs(nyPort, vm2, vm3);
+
+    // these are part of local site
+    createCacheInVMs(lnPort, vm4);
+
+    // senders are created on local site. Batch size is kept to a high (170) so
+    // there will be less number of exceptions (occur during dispatchBatch) in
+    // the log
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2, false, 100, 350, false, false, null, true ));
+
+    // create one RR (RR_1) on remote site
+    vm2.invoke(() -> WANTestBase.createPersistentReplicatedRegion(getTestMethodName() + "_RR_1", null, isOffHeap()));
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    vm3.invoke(() -> WANTestBase.createPersistentReplicatedRegion(getTestMethodName() + "_RR_1", null, isOffHeap()));
+
+    vm2.invoke(() -> addListenerToSleepAfterCreateEvent(2000, getTestMethodName() + "_RR_1"));
+    vm3.invoke(() -> addListenerToSleepAfterCreateEvent(2000, getTestMethodName() + "_RR_1"));
+
+    // create one RR (RR_1) on local site
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(getTestMethodName() + "_RR_1", "ln", isOffHeap()));
+    // start the senders on local site
+    vm4.invoke(() -> WANTestBase.startSender("ln"));
+
+    // start puts in RR_1 in another thread
+    AsyncInvocation inv1 = vm4.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR_1", 8000 ));
+    // close cache in remote site. This will automatically kill the remote
+    // receivers.
+    vm2.invoke(() -> WANTestBase.closeCache());
+    vm3.invoke(() -> WANTestBase.closeCache());
+
+    inv1.join();
+
+    // verify that all is well in local site
+    vm4.invoke(() -> WANTestBase.validateRegionSize(getTestMethodName() + "_RR_1", 8000));
+
+    vm4.invoke(() -> WANTestBase.verifyRegionQueueNotEmpty( "ln" ));
+
+    createCacheInVMs(nyPort, vm3);
+    vm3.invoke(() -> WANTestBase.createPersistentReplicatedRegion(getTestMethodName() + "_RR_1", null, isOffHeap()));
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.validateQueueContents("ln", 0));
+
+    vm3.invoke(() -> WANTestBase.checkMinimumGatewayReceiverStats( 1, 1 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(getTestMethodName() + "_RR_1", 8000));
+  }
+  
+  @Test
+  public void testReplicatedSerialPropagationToTwoWanSites() throws Exception {
+    Integer lnPort = createFirstLocatorWithDSId(1);
+    Integer nyPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    Integer tkPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 3, lnPort ));
+
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+    createCacheInVMs(tkPort, vm3);
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    vm4.invoke(() -> WANTestBase.createSender( "lnSerial1",
+        2, false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "lnSerial1",
+        2, false, 100, 10, false, false, null, true ));
+
+    vm4.invoke(() -> WANTestBase.createSender( "lnSerial2",
+        3, false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "lnSerial2",
+        3, false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("lnSerial1", vm4, vm5);
+    startSenderInVMs("lnSerial2", vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "lnSerial1,lnSerial2", isOffHeap()  ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "lnSerial1,lnSerial2", isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "lnSerial1,lnSerial2", isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "lnSerial1,lnSerial2", isOffHeap()  ));
+
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        1000 ));
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationHA() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+
+    AsyncInvocation inv1 = vm5.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR", 10000 ));
+    Wait.pause(2000);
+    AsyncInvocation inv2 = vm4.invokeAsync(() -> WANTestBase.killSender());
+    
+    inv1.join();
+    inv2.join();
+    
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+  }
+  
+  /**
+   * Local site:: vm4: Primary vm5: Secondary
+   * 
+   * Remote site:: vm2, vm3, vm6, vm7: All hosting receivers
+   * 
+   * vm4 is killed, so vm5 takes primary charge
+   *
+   * SUR: disabling due to connection information not available in open source
+   * enable this once in closed source
+   */
+  @Ignore("TODO: test is disabled")
+  @Test
+  public void testReplicatedSerialPropagationHA_ReceiverAffinity()
+      throws Exception {
+
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3, vm6, vm7);
+    createReceiverInVMs(vm2, vm3, vm6, vm7);
+
+    LogWriterUtils.getLogWriter().info("Started receivers on remote site");
+
+    WANTestBase.createCacheInVMs(lnPort, vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    LogWriterUtils.getLogWriter().info("Started senders on local site");
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+
+    AsyncInvocation inv1 = vm5.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR", 10000 ));
+    LogWriterUtils.getLogWriter().info("Started async puts on local site");
+    Wait.pause(1000);
+
+    Map oldConnectionInfo = (Map)vm4.invoke(() -> WANTestBase.getSenderToReceiverConnectionInfo( "ln" ));
+    assertNotNull(oldConnectionInfo);
+    String oldServerHost = (String)oldConnectionInfo.get("serverHost");
+    int oldServerPort = (Integer)oldConnectionInfo.get("serverPort");
+    LogWriterUtils.getLogWriter().info("Got sender to receiver connection information");
+
+    AsyncInvocation inv2 = vm4.invokeAsync(() -> WANTestBase.killSender());
+    inv2.join();
+    LogWriterUtils.getLogWriter().info("Killed primary sender on local site");
+    Wait.pause(5000);// give some time for vm5 to take primary charge
+
+    Map newConnectionInfo = (Map)vm5.invoke(() -> WANTestBase.getSenderToReceiverConnectionInfo( "ln" ));
+    assertNotNull(newConnectionInfo);
+    String newServerHost = (String)newConnectionInfo.get("serverHost");
+    int newServerPort = (Integer)newConnectionInfo.get("serverPort");
+    LogWriterUtils.getLogWriter().info("Got new sender to receiver connection information");
+    assertEquals(oldServerHost, newServerHost);
+    assertEquals(oldServerPort, newServerPort);
+
+    LogWriterUtils.getLogWriter()
+        .info(
+            "Matched the new connection info with old connection info. Receiver affinity verified.");
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+  }
+
+  /**
+   * Local site:: vm4: Primary vm5: Secondary
+   * 
+   * Remote site:: vm2, vm3, vm6, vm7: All hosting receivers
+   * 
+   * vm4 is killed, so vm5 takes primary charge. vm4 brought up. vm5 is killed,
+   * so vm4 takes primary charge again.
+   *
+   * SUR: commenting due to connection information not available in open source
+   * enable this once in closed source
+   */
+  @Ignore("TODO: test is disabled")
+  @Test
+  public void testReplicatedSerialPropagationHA_ReceiverAffinityScenario2()
+      throws Exception {
+
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3, vm6, vm7);
+    createReceiverInVMs(vm2, vm3, vm6, vm7);
+
+    LogWriterUtils.getLogWriter().info("Started receivers on remote site");
+
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    LogWriterUtils.getLogWriter().info("Started senders on local site");
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+
+    AsyncInvocation inv1 = vm5.invokeAsync(() -> WANTestBase.doPuts( getTestMethodName() + "_RR", 10000 ));
+    LogWriterUtils.getLogWriter().info("Started async puts on local site");
+    Wait.pause(1000);
+
+    Map oldConnectionInfo = (Map)vm4.invoke(() -> WANTestBase.getSenderToReceiverConnectionInfo( "ln" ));
+    assertNotNull(oldConnectionInfo);
+    String oldServerHost = (String)oldConnectionInfo.get("serverHost");
+    int oldServerPort = (Integer)oldConnectionInfo.get("serverPort");
+    LogWriterUtils.getLogWriter().info("Got sender to receiver connection information");
+
+    // ---------------------------- KILL vm4
+    // --------------------------------------
+    AsyncInvocation inv2 = vm4.invokeAsync(() -> WANTestBase.killSender());
+    inv2.join();
+    LogWriterUtils.getLogWriter().info("Killed vm4 (primary sender) on local site");
+    // -----------------------------------------------------------------------------
+
+    vm5.invoke(() -> WANTestBase.waitForSenderToBecomePrimary( "ln" ));
+    LogWriterUtils.getLogWriter().info("vm5 sender has now acquired primary status");
+    Wait.pause(5000);// give time to process unprocessedEventsMap
+
+    // ---------------------------REBUILD vm4
+    // --------------------------------------
+    LogWriterUtils.getLogWriter().info("Rebuilding vm4....");
+    createCacheInVMs(lnPort, vm4);
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+    vm4.invoke(createReplicatedRegionRunnable());
+    LogWriterUtils.getLogWriter().info("Rebuilt vm4");
+    // -----------------------------------------------------------------------------
+
+    // --------------------------- KILL vm5
+    // ----------------------------------------
+    inv1.join();// once the puts are done, kill vm5
+    LogWriterUtils.getLogWriter().info("puts in vm5 are done");
+
+    inv2 = vm5.invokeAsync(() -> WANTestBase.killSender());
+    inv2.join();
+    vm4.invoke(() -> WANTestBase.waitForSenderToBecomePrimary( "ln" ));
+    // -----------------------------------------------------------------------------
+
+    Map newConnectionInfo = (Map)vm4.invoke(() -> WANTestBase.getSenderToReceiverConnectionInfo( "ln" ));
+    assertNotNull(newConnectionInfo);
+    String newServerHost = (String)newConnectionInfo.get("serverHost");
+    int newServerPort = (Integer)newConnectionInfo.get("serverPort");
+    LogWriterUtils.getLogWriter().info("Got new sender to receiver connection information");
+    assertEquals(oldServerHost, newServerHost);
+    assertEquals(oldServerPort, newServerPort);
+    LogWriterUtils.getLogWriter()
+        .info(
+            "Matched the new connection info with old connection info. Receiver affinity verified.");
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 10000 ));
+  }
+
+  @Test
+  public void testNormalRegionSerialPropagation() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2);
+    vm2.invoke(() -> WANTestBase.createReceiver());
+
+    createCacheInVMs(lnPort, vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", null, isOffHeap()  ));
+
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+    vm5.invoke(() -> WANTestBase.startSender( "ln" ));
+
+    vm4.invoke(() -> WANTestBase.createNormalRegion(
+        getTestMethodName() + "_RR", "ln" ));
+    vm5.invoke(() -> WANTestBase.createNormalRegion(
+        getTestMethodName() + "_RR", "ln" ));
+
+    vm5.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        1000 ));
+
+    vm4.invoke(() -> WANTestBase.checkQueueStats( "ln", 0,
+        0, 0, 0));
+
+    vm5.invoke(() -> WANTestBase.checkQueueStats( "ln", 0,
+        1000, 0, 0 ));
+    
+    vm5.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 1000));
+
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 0));
+    
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 0 ));
+    
+    vm2.invoke(() -> WANTestBase.checkGatewayReceiverStats(0, 0, 0));
+  }
+  
+  /**
+   * Added for defect #48582 NPE when WAN sender configured but not started.
+   * All to all topology with 2 WAN sites:
+   * Site 1 (LN site): vm4, vm5, vm6, vm7
+   * Site 2 (NY site): vm2, vm3
+   */
+  @Test
+  public void testReplicatedSerialPropagationWithRemoteSenderConfiguredButNotStarted() {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    createCacheInVMs(nyPort, vm2, vm3);
+    createReceiverInVMs(vm2, vm3);
+
+    createCacheInVMs(lnPort, vm4, vm5, vm6, vm7);
+    createReceiverInVMs(vm4, vm5);
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+
+    startSenderInVMs("ln", vm4, vm5);
+
+    vm4.invoke(createReplicatedRegionRunnable());
+    vm5.invoke(createReplicatedRegionRunnable());
+    vm6.invoke(createReplicatedRegionRunnable());
+    vm7.invoke(createReplicatedRegionRunnable());
+    
+    vm2.invoke(() -> WANTestBase.createSender( "ny", 1,
+        false, 100, 10, false, false, null, true ));
+    vm3.invoke(() -> WANTestBase.createSender( "ny", 1,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny", isOffHeap() ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny", isOffHeap() ));
+    
+    vm4.invoke(() -> WANTestBase.doPuts( getTestMethodName() + "_RR",
+        1000 ));
+
+    startSenderInVMs("ny", vm2, vm3);
+
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1000 ));
+  }
+}

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/f39e2394/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationLoopBackDUnitTest.java
----------------------------------------------------------------------
diff --git a/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationLoopBackDUnitTest.java b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationLoopBackDUnitTest.java
new file mode 100644
index 0000000..6859249
--- /dev/null
+++ b/geode-wan/src/test/java/org/apache/geode/internal/cache/wan/serial/SerialWANPropagationLoopBackDUnitTest.java
@@ -0,0 +1,513 @@
+/*
+ * 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 com.gemstone.gemfire.internal.cache.wan.serial;
+
+import org.junit.experimental.categories.Category;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+import com.gemstone.gemfire.test.dunit.cache.internal.JUnit4CacheTestCase;
+import com.gemstone.gemfire.test.dunit.internal.JUnit4DistributedTestCase;
+import com.gemstone.gemfire.test.junit.categories.DistributedTest;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.experimental.categories.Category;
+
+import com.gemstone.gemfire.internal.cache.wan.WANTestBase;
+import com.gemstone.gemfire.test.dunit.Wait;
+import com.gemstone.gemfire.test.junit.categories.FlakyTest;
+
+@Category(DistributedTest.class)
+public class SerialWANPropagationLoopBackDUnitTest extends WANTestBase {
+  
+  private static final long serialVersionUID = 1L;
+  
+  public SerialWANPropagationLoopBackDUnitTest() {
+    super();
+  }
+  
+  @Test
+  public void testReplicatedSerialPropagationLoopBack() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+
+    vm2.invoke(() -> WANTestBase.createCache( lnPort ));
+    vm3.invoke(() -> WANTestBase.createCache( nyPort ));
+    vm2.invoke(() -> WANTestBase.createReceiver());
+    vm3.invoke(() -> WANTestBase.createReceiver());
+
+    vm4.invoke(() -> WANTestBase.createCache( lnPort ));
+    vm5.invoke(() -> WANTestBase.createCache( lnPort ));
+    vm6.invoke(() -> WANTestBase.createCache( nyPort ));
+    vm7.invoke(() -> WANTestBase.createCache( nyPort ));
+
+    vm4.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm6.invoke(() -> WANTestBase.createSender( "ny", 1,
+        false, 100, 10, false, false, null, true ));
+
+    vm2.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln", isOffHeap() ));
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny", isOffHeap() ));
+
+    vm4.invoke(() -> WANTestBase.startSender( "ln" ));
+    vm6.invoke(() -> WANTestBase.startSender( "ny" ));
+    
+    vm4.invoke(() -> WANTestBase.addQueueListener( "ln",
+        false ));
+    vm6.invoke(() -> WANTestBase.addQueueListener( "ny",
+        false ));
+    
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln", isOffHeap() ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln", isOffHeap()));
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny", isOffHeap() ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny", isOffHeap()));
+
+    final Map keyValues = new HashMap();
+    for(int i=0; i< 1; i++) {
+      keyValues.put(i, i);
+    }
+    vm4.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    keyValues.clear();
+    for(int i=1; i< 2; i++) {
+      keyValues.put(i, i);
+    }
+    vm6.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    vm2.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 2 ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 2 ));
+    
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 2 ));
+    vm5.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 2 ));
+    vm6.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 2 ));
+    vm7.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", 2 ));
+  
+  
+    Wait.pause(5000);
+    vm4.invoke(() -> WANTestBase.verifyQueueSize( "ln", 0 ));
+    vm6.invoke(() -> WANTestBase.verifyQueueSize( "ny", 0 ));
+    
+    Map queueMap1 = (HashMap)vm4.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap2 = (HashMap)vm6.invoke(() -> WANTestBase.checkQueue());
+
+    List createList1 = (List)queueMap1.get("Create");
+    List updateList1 = (List)queueMap1.get("Update");
+    List createList2 = (List)queueMap2.get("Create");
+    List updateList2 = (List)queueMap2.get("Update");
+    
+    assertEquals(0, updateList1.size());
+    assertEquals(0, updateList2.size());
+    
+    assertEquals(1, createList1.size());
+    assertEquals(1, createList2.size());
+  }
+
+  @Test
+  public void testReplicatedSerialPropagationLoopBack3SitesLoop() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    Integer tkPort = (Integer)vm2.invoke(() -> WANTestBase.createFirstRemoteLocator( 3, lnPort ));
+
+    createCacheInVMs(lnPort, vm3, vm6);
+    createCacheInVMs(nyPort, vm4, vm7);
+    createCacheInVMs(tkPort, vm5);
+
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", "ln", isOffHeap()));
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", "ny", isOffHeap()));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", "tk", isOffHeap()));
+
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", "ln", isOffHeap() ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+      getTestMethodName() + "_RR", "ny", isOffHeap() ));
+
+    vm3.invoke(() -> WANTestBase.createReceiver());
+    vm4.invoke(() -> WANTestBase.createReceiver());
+    vm5.invoke(() -> WANTestBase.createReceiver());
+
+    vm6.invoke(() -> WANTestBase.createSender( "ln", 2,
+        false, 100, 10, false, false, null, true ));
+    vm7.invoke(() -> WANTestBase.createSender( "ny", 3,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "tk", 1,
+      false, 100, 10, false, false, null, true ));
+
+    vm6.invoke(() -> WANTestBase.startSender( "ln" ));
+    vm7.invoke(() -> WANTestBase.startSender( "ny" ));
+    vm5.invoke(() -> WANTestBase.startSender( "tk" ));
+
+    // using vm5 for sender in ds 3. cache is already created.
+    vm6.invoke(() -> WANTestBase.addQueueListener( "ln",
+      false ));
+    vm7.invoke(() -> WANTestBase.addQueueListener( "ny",
+      false ));
+    vm5.invoke(() -> WANTestBase.addQueueListener( "tk",
+      false ));
+
+    int totalSize = 3;
+    int increment = 1;
+
+    final Map keyValues = new HashMap();
+    for(int i=0; i< increment; i++) {
+      keyValues.put(i, i);
+    }
+    vm3.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    keyValues.clear();
+    for(int i = increment; i< 2*increment; i++) {
+      keyValues.put(i, i);
+    }
+    vm4.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    keyValues.clear();
+    for(int i=2*increment; i< totalSize; i++) {
+      keyValues.put(i, i);
+    }
+    vm5.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+        
+    vm5.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", totalSize ));
+    vm6.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", totalSize ));
+    vm7.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", totalSize ));
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", totalSize ));
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+      getTestMethodName() + "_RR", totalSize ));
+    
+    
+    vm6.invoke(() -> WANTestBase.verifyQueueSize( "ln", 0 ));
+    vm7.invoke(() -> WANTestBase.verifyQueueSize( "ny", 0 ));
+    vm5.invoke(() -> WANTestBase.verifyQueueSize( "tk", 0 ));
+    
+    
+    
+    Map queueMap1 = (HashMap)vm6.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap2 = (HashMap)vm7.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap3 = (HashMap)vm5.invoke(() -> WANTestBase.checkQueue());
+    
+    List createList1 = (List)queueMap1.get("Create");
+    List updateList1 = (List)queueMap1.get("Update");
+    List createList2 = (List)queueMap2.get("Create");
+    List updateList2 = (List)queueMap2.get("Update");
+    List createList3 = (List)queueMap3.get("Create");
+    List updateList3 = (List)queueMap3.get("Update");
+    
+    assertEquals(0, updateList1.size());
+    assertEquals(0, updateList2.size());
+    assertEquals(0, updateList3.size());
+    
+    assertEquals(2, createList1.size());
+    assertEquals(2, createList2.size());
+    assertEquals(2, createList3.size());
+  }
+  
+  
+  @Test
+  public void testReplicatedSerialPropagationLoopBack3SitesNtoNPutInAllDS() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    Integer tkPort = (Integer)vm2.invoke(() -> WANTestBase.createFirstRemoteLocator( 3, lnPort ));
+
+    createCacheInVMs(lnPort, vm3, vm6);
+    createCacheInVMs(nyPort, vm4, vm7);
+    createCacheInVMs(tkPort, vm5);
+
+    vm3.invoke(() -> WANTestBase.createReceiver());
+    vm4.invoke(() -> WANTestBase.createReceiver());
+    vm5.invoke(() -> WANTestBase.createReceiver());
+    
+    // using vm5 for sender in ds 3. cache is already created.
+    
+    vm6.invoke(() -> WANTestBase.createSender( "ln1", 2,
+        false, 100, 10, false, false, null, true ));
+    vm7.invoke(() -> WANTestBase.createSender( "ny1", 3,
+        false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "tk1", 1,
+      false, 100, 10, false, false, null, true ));
+
+    vm6.invoke(() -> WANTestBase.createSender( "ln2", 3,
+      false, 100, 10, false, false, null, true ));
+    vm7.invoke(() -> WANTestBase.createSender( "ny2", 1,
+      false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "tk2", 2,
+    false, 100, 10, false, false, null, true ));
+
+    
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln1,ln2", isOffHeap()));
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny1,ny2", isOffHeap()));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "tk1,tk2", isOffHeap() ));
+
+    vm6.invoke(() -> WANTestBase.startSender( "ln1" ));
+    vm7.invoke(() -> WANTestBase.startSender( "ny1" ));
+    vm5.invoke(() -> WANTestBase.startSender( "tk1" ));
+    
+    vm6.invoke(() -> WANTestBase.startSender( "ln2" ));
+    vm7.invoke(() -> WANTestBase.startSender( "ny2" ));
+    vm5.invoke(() -> WANTestBase.startSender( "tk2" ));
+    
+    
+    vm6.invoke(() -> WANTestBase.addQueueListener( "ln1",
+      false ));
+    vm7.invoke(() -> WANTestBase.addQueueListener( "ny1",
+      false ));
+    vm5.invoke(() -> WANTestBase.addQueueListener( "tk1",
+      false ));
+    vm6.invoke(() -> WANTestBase.addSecondQueueListener( "ln2",
+      false ));
+    vm7.invoke(() -> WANTestBase.addSecondQueueListener( "ny2",
+      false ));
+    vm5.invoke(() -> WANTestBase.addSecondQueueListener( "tk2",
+      false ));
+  
+    
+    vm6.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln1,ln2", isOffHeap() ));
+    vm7.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny1,ny2", isOffHeap() ));
+    
+    final Map keyValues = new HashMap();
+    for(int i=0; i< 1; i++) {
+      keyValues.put(i, i);
+    }
+    vm3.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    keyValues.clear();
+    for(int i=1; i< 2; i++) {
+      keyValues.put(i, i);
+    }
+    vm4.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    keyValues.clear();
+    for(int i=2; i< 3; i++) {
+      
+      keyValues.put(i, i);
+    }
+    vm5.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    Wait.pause(2000);
+    vm5.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 3 ));
+    vm6.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 3 ));
+    vm7.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 3 ));
+    
+    Wait.pause(5000);
+    vm6.invoke(() -> WANTestBase.verifyQueueSize( "ln1", 0 ));
+    vm7.invoke(() -> WANTestBase.verifyQueueSize( "ny1", 0 ));
+    vm5.invoke(() -> WANTestBase.verifyQueueSize( "tk1", 0 ));
+    vm6.invoke(() -> WANTestBase.verifyQueueSize( "ln2", 0 ));
+    vm7.invoke(() -> WANTestBase.verifyQueueSize( "ny2", 0 ));
+    vm5.invoke(() -> WANTestBase.verifyQueueSize( "tk2", 0 ));
+    
+    
+    Map queueMap1 = (HashMap)vm6.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap2 = (HashMap)vm7.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap3 = (HashMap)vm5.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap4 = (HashMap)vm6.invoke(() -> WANTestBase.checkQueue2());
+    Map queueMap5 = (HashMap)vm7.invoke(() -> WANTestBase.checkQueue2());
+    Map queueMap6 = (HashMap)vm5.invoke(() -> WANTestBase.checkQueue2());
+    
+    List createList1 = (List)queueMap1.get("Create");
+    List updateList1 = (List)queueMap1.get("Update");
+    List createList2 = (List)queueMap2.get("Create");
+    List updateList2 = (List)queueMap2.get("Update");
+    List createList3 = (List)queueMap3.get("Create");
+    List updateList3 = (List)queueMap3.get("Update");
+    
+    List createList4 = (List)queueMap4.get("Create");
+    List updateList4 = (List)queueMap4.get("Update");
+    
+    List createList5 = (List)queueMap5.get("Create");
+    List updateList5 = (List)queueMap5.get("Update");
+    
+    List createList6 = (List)queueMap6.get("Create");
+    List updateList6 = (List)queueMap6.get("Update");
+    
+    
+    assertEquals(0, updateList1.size());
+    assertEquals(0, updateList2.size());
+    assertEquals(0, updateList3.size());
+    assertEquals(0, updateList4.size());
+    assertEquals(0, updateList5.size());
+    assertEquals(0, updateList6.size());
+    
+    assertEquals(1, createList1.size());
+    assertEquals(1, createList2.size());
+    assertEquals(1, createList3.size());
+    assertEquals(1, createList4.size());
+    assertEquals(1, createList5.size());
+    assertEquals(1, createList6.size());
+  }
+
+  
+  @Test
+  public void testReplicatedSerialPropagationLoopBack3SitesNtoNPutFromOneDS() throws Exception {
+    Integer lnPort = (Integer)vm0.invoke(() -> WANTestBase.createFirstLocatorWithDSId( 1 ));
+    Integer nyPort = (Integer)vm1.invoke(() -> WANTestBase.createFirstRemoteLocator( 2, lnPort ));
+    Integer tkPort = (Integer)vm2.invoke(() -> WANTestBase.createFirstRemoteLocator( 3, lnPort ));
+
+    vm3.invoke(() -> WANTestBase.createCache( lnPort ));
+    vm4.invoke(() -> WANTestBase.createCache( nyPort ));
+    vm5.invoke(() -> WANTestBase.createCache( tkPort ));
+    vm3.invoke(() -> WANTestBase.createReceiver());
+    vm4.invoke(() -> WANTestBase.createReceiver());
+    vm5.invoke(() -> WANTestBase.createReceiver());
+    
+    
+    vm3.invoke(() -> WANTestBase.createSender( "ln1", 2,
+        false, 100, 10, false, false, null, true ));
+    vm3.invoke(() -> WANTestBase.createSender( "ln2", 3,
+      false, 100, 10, false, false, null, true ));
+    
+    vm4.invoke(() -> WANTestBase.createSender( "ny1", 3,
+        false, 100, 10, false, false, null, true ));
+    vm4.invoke(() -> WANTestBase.createSender( "ny2", 1,
+      false, 100, 10, false, false, null, true ));
+    
+    vm5.invoke(() -> WANTestBase.createSender( "tk1", 1,
+      false, 100, 10, false, false, null, true ));
+    vm5.invoke(() -> WANTestBase.createSender( "tk2", 2,
+    false, 100, 10, false, false, null, true ));
+
+    
+    vm3.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ln1,ln2", isOffHeap() ));
+    vm4.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "ny1,ny2", isOffHeap() ));
+    vm5.invoke(() -> WANTestBase.createReplicatedRegion(
+        getTestMethodName() + "_RR", "tk1,tk2", isOffHeap() ));
+
+    
+    vm3.invoke(() -> WANTestBase.startSender( "ln1" ));
+    vm4.invoke(() -> WANTestBase.startSender( "ny1" ));
+    vm5.invoke(() -> WANTestBase.startSender( "tk1" ));
+    
+    vm3.invoke(() -> WANTestBase.startSender( "ln2" ));
+    vm4.invoke(() -> WANTestBase.startSender( "ny2" ));
+    vm5.invoke(() -> WANTestBase.startSender( "tk2" ));
+    
+    
+    vm3.invoke(() -> WANTestBase.addQueueListener( "ln1",
+      false ));
+    vm4.invoke(() -> WANTestBase.addQueueListener( "ny1",
+      false ));
+    vm5.invoke(() -> WANTestBase.addQueueListener( "tk1",
+      false ));
+    vm3.invoke(() -> WANTestBase.addSecondQueueListener( "ln2",
+      false ));
+    vm4.invoke(() -> WANTestBase.addSecondQueueListener( "ny2",
+      false ));
+    vm5.invoke(() -> WANTestBase.addSecondQueueListener( "tk2",
+      false ));
+  
+    final Map keyValues = new HashMap();
+    for(int i=0; i< 1; i++) {
+      keyValues.put(i, i);
+    }
+    vm3.invoke(() -> WANTestBase.putGivenKeyValue( getTestMethodName() + "_RR",
+      keyValues ));
+    
+    vm3.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1 ));
+    vm4.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1 ));
+    vm5.invoke(() -> WANTestBase.validateRegionSize(
+        getTestMethodName() + "_RR", 1 ));
+    
+    Wait.pause(5000);
+    vm3.invoke(() -> WANTestBase.verifyQueueSize( "ln1", 0 ));
+    vm4.invoke(() -> WANTestBase.verifyQueueSize( "ny1", 0 ));
+    vm5.invoke(() -> WANTestBase.verifyQueueSize( "tk1", 0 ));
+    vm3.invoke(() -> WANTestBase.verifyQueueSize( "ln2", 0 ));
+    vm4.invoke(() -> WANTestBase.verifyQueueSize( "ny2", 0 ));
+    vm5.invoke(() -> WANTestBase.verifyQueueSize( "tk2", 0 ));
+    
+    
+    Map queueMap1 = (HashMap)vm3.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap2 = (HashMap)vm4.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap3 = (HashMap)vm5.invoke(() -> WANTestBase.checkQueue());
+    Map queueMap4 = (HashMap)vm3.invoke(() -> WANTestBase.checkQueue2());
+    Map queueMap5 = (HashMap)vm4.invoke(() -> WANTestBase.checkQueue2());
+    Map queueMap6 = (HashMap)vm5.invoke(() -> WANTestBase.checkQueue2());
+    
+    List createList1 = (List)queueMap1.get("Create");
+    List updateList1 = (List)queueMap1.get("Update");
+    List createList2 = (List)queueMap2.get("Create");
+    List updateList2 = (List)queueMap2.get("Update");
+    List createList3 = (List)queueMap3.get("Create");
+    List updateList3 = (List)queueMap3.get("Update");
+    
+    List createList4 = (List)queueMap4.get("Create");
+    List updateList4 = (List)queueMap4.get("Update");
+    
+    List createList5 = (List)queueMap5.get("Create");
+    List updateList5 = (List)queueMap5.get("Update");
+    
+    List createList6 = (List)queueMap6.get("Create");
+    List updateList6 = (List)queueMap6.get("Update");
+    
+    
+    assertEquals(0, updateList1.size());
+    assertEquals(0, updateList2.size());
+    assertEquals(0, updateList3.size());
+    assertEquals(0, updateList4.size());
+    assertEquals(0, updateList5.size());
+    assertEquals(0, updateList6.size());
+    
+    assertEquals(1, createList1.size());
+    assertEquals(0, createList2.size());
+    assertEquals(0, createList3.size());
+    assertEquals(1, createList4.size());
+    assertEquals(0, createList5.size());
+    assertEquals(0, createList6.size());
+  }
+
+}