HCOLL-134 changed the default so that is does not autoReconnectedUponDroppedConnection, however it better if most of the test cases have this can you can guarantee that the server is ready to accept TCP/IP before the client.

src/test/java/net/openhft/chronicle/map/TCPSocketReplicationNativeTest.java

@@ -51,13 +51,13 @@ public class TCPSocketReplicationNativeTest {
         InetSocketAddress endpoint = new InetSocketAddress("localhost", 8077);
 
         TcpTransportAndNetworkConfig tcpConfig1 = TcpTransportAndNetworkConfig.of(8076, endpoint)
-                .heartBeatInterval(1L, TimeUnit.SECONDS);
+                .heartBeatInterval(1L, TimeUnit.SECONDS).autoReconnectedUponDroppedConnection(true);
 
         map1 = ChronicleMapBuilder.of(Integer.class, LongValue.class)
                 .replication((byte) 1, tcpConfig1).create();
 
         TcpTransportAndNetworkConfig tcpConfig2 = TcpTransportAndNetworkConfig.of(8077)
-                .heartBeatInterval(1L, TimeUnit.SECONDS);
+                .heartBeatInterval(1L, TimeUnit.SECONDS).autoReconnectedUponDroppedConnection(true);
 
         map2 = ChronicleMapBuilder.of(Integer.class, LongValue.class)
                 .replication((byte) 2, tcpConfig2).create();